diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 5a2fd7df..7ea9c266 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -6,9 +6,13 @@ on:
       - main
     paths:
       - site/**
+      - packs/**
       - docs/images/**
+      - scripts/build_pack_repository.py
       - scripts/prepare_pages_site.py
       - scripts/webflash_targets.py
+      - tools/generate_binfont_with_lv_font_conv.py
+      - tools/fonts/**
       - .github/workflows/ci.yml
       - .github/workflows/pages.yml
   release:
@@ -39,6 +43,11 @@ jobs:
         with:
           python-version: "3.11"
 
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+
       - name: Configure GitHub Pages
         uses: actions/configure-pages@v5
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f056bf6..1fb6261b 100644
Binary files a/CHANGELOG.md and b/CHANGELOG.md differ
diff --git a/apps/esp_idf/CMakeLists.txt b/apps/esp_idf/CMakeLists.txt
index c97a0ec9..cb21a52c 100644
--- a/apps/esp_idf/CMakeLists.txt
+++ b/apps/esp_idf/CMakeLists.txt
@@ -1,5 +1,5 @@
-# Shared ESP-IDF application component.
-# This component builds the migrated shared modules plus the shared IDF app shell.
+#Shared ESP - IDF application component.
+#This component builds the migrated shared modules plus the shared IDF app shell.
 
 file(GLOB_RECURSE trail_mate_idf_local_sources
     ${CMAKE_CURRENT_LIST_DIR}/src/*.c
@@ -53,8 +53,12 @@ list(APPEND trail_mate_idf_external_sources
 set(trail_mate_idf_requires
     esp_app_format
     esp_common
+    esp_event
+    esp_http_client
     esp_lcd
+    esp_netif
     esp_timer
+    json
     log
     lvgl__lvgl
     nvs_flash
@@ -77,6 +81,7 @@ set(trail_mate_idf_ui_shared_sources
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/app_runtime.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/app_catalog_builder.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/formatters.cpp
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/i18n/resource_pack_registry.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/loop_shell.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/startup_shell.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/menu/menu_runtime.cpp
@@ -89,10 +94,13 @@ set(trail_mate_idf_ui_shared_sources
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/widgets/toast/toast_widget.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/widgets/ime/ime_widget.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/widgets/ime/pinyin_ime.cpp
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/fonts/font_utils.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/components/two_pane_layout.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/components/two_pane_styles.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/components/two_pane_nav.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/page/page_profile.cpp
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/runtime/memory_profile.cpp
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/runtime/pack_repository.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/common/placeholder_page.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/chat/chat_compose_components.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/chat/chat_compose_input.cpp
@@ -125,6 +133,8 @@ set(trail_mate_idf_ui_shared_sources
     ${CMAKE_SOURCE_DIR}/platform/esp/arduino_common/src/ui/widgets/map/map_tiles.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/energy_sweep/energy_sweep_page_shell.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/energy_sweep/energy_sweep_page_runtime.cpp
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/extensions/extensions_page_shell.cpp
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/extensions/extensions_page_runtime.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/sstv/sstv_page_shell.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/sstv/sstv_page_runtime.cpp
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/screens/pc_link/pc_link_page_shell.cpp
@@ -176,10 +186,11 @@ set(trail_mate_idf_ui_shared_sources
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/route_topbar.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/team_topbar.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/tracker_topbar.c
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/wifi_topbar.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/ble_topbar.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/Satellite.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/contact.c
-    ${CMAKE_SOURCE_DIR}/platform/esp/arduino_common/src/ui/assets/fonts/lv_font_noto_cjk_16_2bpp.c
+    ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/ext.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/rally.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/Spectrum.c
     ${CMAKE_SOURCE_DIR}/modules/ui_shared/src/ui/assets/sos.c
diff --git a/apps/esp_idf/src/app_registry.cpp b/apps/esp_idf/src/app_registry.cpp
index eb406d1c..20282d6c 100644
--- a/apps/esp_idf/src/app_registry.cpp
+++ b/apps/esp_idf/src/app_registry.cpp
@@ -24,6 +24,7 @@ ui::app_catalog_builder::FeatureFlags buildFeatureFlags()
     flags.include_pc_link = platform::ui::hostlink::is_supported();
     flags.include_sstv = platform::ui::sstv::is_supported();
     flags.include_usb = platform::ui::usb_support::is_supported();
+    flags.include_extensions = true;
     flags.include_walkie_talkie = platform::ui::walkie::is_supported();
     return flags;
 }
diff --git a/apps/esp_pio/src/app_context.cpp b/apps/esp_pio/src/app_context.cpp
index 54f568ce..25a9f19d 100644
--- a/apps/esp_pio/src/app_context.cpp
+++ b/apps/esp_pio/src/app_context.cpp
@@ -240,7 +240,7 @@ void AppContext::applyPrivacyConfig()
 {
     if (mesh_router_)
     {
-        mesh_router_->setPrivacyConfig(config_.privacy_encrypt_mode, config_.privacy_pki);
+        mesh_router_->setPrivacyConfig(config_.privacy_encrypt_mode);
     }
 }
 
@@ -311,7 +311,7 @@ bool AppContext::switchMeshProtocol(chat::MeshProtocol protocol, bool persist)
                          short_name, sizeof(short_name));
     backend->setUserInfo(long_name, short_name);
     backend->setNetworkLimits(config_.net_duty_cycle, config_.net_channel_util);
-    backend->setPrivacyConfig(config_.privacy_encrypt_mode, config_.privacy_pki);
+    backend->setPrivacyConfig(config_.privacy_encrypt_mode);
 
     if (!mesh_router_->installBackend(protocol, std::move(backend)))
     {
diff --git a/apps/esp_pio/src/app_registry.cpp b/apps/esp_pio/src/app_registry.cpp
index a841ce53..4b9931f4 100644
--- a/apps/esp_pio/src/app_registry.cpp
+++ b/apps/esp_pio/src/app_registry.cpp
@@ -27,6 +27,7 @@ ui::app_catalog_builder::FeatureFlags buildFeatureFlags()
     flags.include_pc_link = platform::ui::hostlink::is_supported();
     flags.include_sstv = platform::ui::sstv::is_supported();
     flags.include_usb = platform::ui::usb_support::is_supported() && platform::ui::device::sd_ready();
+    flags.include_extensions = true;
     flags.include_walkie_talkie = platform::ui::walkie::is_supported();
     APP_REG_LOG(
         "flags gps_map=%d skyplot=%d tracker=%d chat=%d sweep=%d pc_link=%d sstv=%d usb=%d walkie=%d gps_supported=%d gps_ready=%d sd_ready=%d\n",
diff --git a/apps/gat562_mesh_evb_pro/src/app_facade_runtime.cpp b/apps/gat562_mesh_evb_pro/src/app_facade_runtime.cpp
index d9153f02..2e11b0b1 100644
--- a/apps/gat562_mesh_evb_pro/src/app_facade_runtime.cpp
+++ b/apps/gat562_mesh_evb_pro/src/app_facade_runtime.cpp
@@ -406,7 +406,7 @@ void AppFacadeRuntime::applyPrivacyConfig()
     }
     if (mesh_router_)
     {
-        mesh_router_->setPrivacyConfig(config_.privacy_encrypt_mode, config_.privacy_pki);
+        mesh_router_->setPrivacyConfig(config_.privacy_encrypt_mode);
     }
 }
 
diff --git a/boards/gat562_mesh_evb_pro/src/platform_ui_bindings.cpp b/boards/gat562_mesh_evb_pro/src/platform_ui_bindings.cpp
index 4ce06f31..d55aac98 100644
--- a/boards/gat562_mesh_evb_pro/src/platform_ui_bindings.cpp
+++ b/boards/gat562_mesh_evb_pro/src/platform_ui_bindings.cpp
@@ -115,6 +115,17 @@ BatteryInfo battery_info()
     return info;
 }
 
+MemoryStats memory_stats()
+{
+    MemoryStats stats{};
+    return stats;
+}
+
+const char* firmware_version()
+{
+    return "unknown";
+}
+
 void handle_low_battery(const BatteryInfo& info)
 {
     (void)info;
diff --git a/docs/LOCALE_PACKS.md b/docs/LOCALE_PACKS.md
new file mode 100644
index 00000000..af41b770
--- /dev/null
+++ b/docs/LOCALE_PACKS.md
@@ -0,0 +1,509 @@
+# Locale, Font, and IME Packs
+
+## Goals
+
+The pack system exists to solve four problems at the same time:
+
+1. Keep the firmware image minimal. English stays built in, large script assets move to SD.
+2. Keep `installed` separate from `loaded`. A pack being present on SD must not mean its font is already in RAM.
+3. Let mixed-language content render correctly. A Spanish UI still needs to show a Chinese contact name if that font pack is installed.
+4. Bound RAM usage across very different devices, including no-PSRAM targets.
+
+This is now a first-class runtime architecture, not a collection of text-based bypasses.
+
+## Core Model
+
+Trail Mate treats localization as three explicit pack types:
+
+- `Locale Pack`
+  Owns translated UI strings and declares which UI font pack, content font pack, and optional IME pack it needs.
+- `Font Pack`
+  Owns glyph coverage metadata plus the external `font.bin` asset.
+- `IME Pack`
+  Declares script-specific input behavior such as Pinyin.
+
+The Settings page selects a `Locale Pack`. It does not directly choose a font or IME.
+
+## Built-In vs External
+
+The firmware intentionally ships with the smallest built-in baseline:
+
+- built-in locale packs: `en`
+- built-in font packs: `builtin-latin-ui`
+- built-in IME packs: none
+
+English is therefore always available, even when the SD card has no language packs at all.
+
+External packs are discovered from the SD card under:
+
+```text
+/trailmate/packs/fonts/<font-pack-id>/manifest.ini
+/trailmate/packs/locales/<locale-id>/manifest.ini
+/trailmate/packs/ime/<ime-pack-id>/manifest.ini
+```
+
+At boot the registry is built in two phases:
+
+1. Catalog every built-in pack and every external pack manifest.
+2. Resolve dependencies and decide which locales are allowed on the current memory profile.
+
+Important: manifest discovery is cheap. External fonts are not loaded into RAM during cataloging.
+
+## Three Layouts
+
+The same localization asset now exists in three different representations, and keeping them
+separate is intentional:
+
+### Repository Source Bundle
+
+What lives under `packs/<bundle-id>/` in Git.
+
+- contains runtime manifests
+- contains human-facing package metadata
+- contains build-only files such as `charset.txt` and `build.ini`
+- may omit tracked `font.bin`, because the Pages build can regenerate it
+
+### Installed Runtime Layout
+
+What the firmware actually scans on SD:
+
+```text
+/trailmate/packs/fonts/<font-pack-id>/...
+/trailmate/packs/locales/<locale-id>/...
+/trailmate/packs/ime/<ime-pack-id>/...
+```
+
+This is the only layout the runtime registry understands.
+
+### Distribution Package
+
+What the website and future Extensions page should traffic in:
+
+- one zip per installable bundle
+- one package manifest with version and compatibility metadata
+- one description file for UI presentation
+- one remote catalog entry for discovery and update checks
+
+The runtime does not scan zip files directly. The package manager layer downloads a zip,
+unpacks its payload into the installed runtime layout, then asks the runtime registry to
+refresh.
+
+## Installed Is Not Loaded
+
+This distinction is the center of the design.
+
+- `Installed`
+  The manifest exists on SD and the registry knows the pack exists.
+- `Loaded`
+  The external `font.bin` has actually been passed to `lv_binfont_create()` and now consumes runtime RAM.
+
+The runtime behaves like this:
+
+1. The active locale is resolved from `settings/display_locale`.
+2. The active UI font pack is loaded immediately when that locale is activated.
+3. The active content font pack is loaded lazily, only when content-scope text needs it.
+4. Additional content supplement packs are loaded lazily if the current text contains codepoints not covered by the active content chain.
+5. Changing locale unloads all runtime-loaded external fonts and rebuilds the chains from scratch.
+
+That means a device can have many packs installed while only one or two are resident in RAM.
+
+## UI Scope vs Content Scope
+
+The runtime keeps two different fallback chains on purpose.
+
+### UI Chain
+
+Used for static application chrome:
+
+- menu labels
+- settings labels
+- headings
+- buttons
+- other translated interface text
+
+The chain is:
+
+```text
+screen-selected Latin base font -> active UI font pack
+```
+
+### Content Chain
+
+Used for user-generated or externally received text:
+
+- chat sender lines
+- chat message previews and bodies
+- contact names
+- team member names
+- node names and descriptions
+- locale display names shown in the selector
+
+The chain is:
+
+```text
+screen-selected Latin base font
+-> active content font pack
+-> active UI font pack
+-> lazily loaded content supplement packs
+```
+
+This is what lets a non-Chinese UI still render Chinese content when the corresponding pack is installed.
+
+## Memory Profiles
+
+Pack availability is constrained by a board-specific memory profile in shared runtime code.
+
+Current profiles:
+
+- `constrained`
+  Locale font budget `128 KiB`, content supplements disabled, decoded map cache `2` tiles, cache not retained on page exit.
+- `standard`
+  Locale font budget `768 KiB`, content supplement budget `640 KiB`, at most `1` supplement pack, decoded map cache `4` tiles, cache not retained.
+- `extended`
+  Locale font budget `2 MiB`, content supplement budget `2 MiB`, at most `3` supplement packs, decoded map cache `12` tiles, cache retained on page exit.
+
+Current board mapping:
+
+- `extended`: `Tab5`, `T-Display P4`
+- `standard`: `T-Deck`, `T-Deck Pro`
+- `constrained`: everything else, including no-PSRAM and pager-class targets
+
+The locale budget is checked against the actual active locale cost:
+
+```text
+unique(UI font pack, content font pack)
+```
+
+The supplement budget is separate and only applies to extra content packs that are pulled in later for mixed-script content.
+
+## Persistence
+
+The active locale is stored as:
+
+- namespace: `settings`
+- key: `display_locale`
+
+Legacy ESP installs using the old integer `display_language` key are migrated once to the new string key. After migration, the legacy key is removed.
+
+## Manifest Schema
+
+Manifests are plain `key=value` files.
+
+### Font Pack Manifest
+
+```ini
+kind=font
+id=zh-hans-cjk
+display_name=Simplified Chinese CJK
+usage=both
+estimated_ram_bytes=476075
+source=binfont
+file=font.bin
+ranges=ranges.txt
+```
+
+Fields:
+
+- `id`
+  Stable pack identifier.
+- `display_name`
+  Human-readable name used for diagnostics.
+- `usage`
+  One of `ui`, `content`, or `both`.
+- `estimated_ram_bytes`
+  Expected runtime RAM cost after loading with LVGL binfont loader. This is used for profile decisions and supplement planning.
+- `source`
+  Currently `binfont` for external files, or `builtin` for an alias to a compiled font pack.
+- `file`
+  Path to `font.bin`, relative to the pack directory.
+- `ranges`
+  Coverage metadata file, relative to the pack directory. This is used for codepoint planning, not for rendering.
+
+If `estimated_ram_bytes` is missing or `0`, the runtime treats the pack as having unknown cost and cannot budget it accurately. Repository packs should always provide it.
+
+### IME Pack Manifest
+
+```ini
+kind=ime
+id=zh-hans-pinyin
+display_name=Pinyin
+backend=builtin-pinyin
+```
+
+Today the shipped backend implementation is:
+
+- `builtin-pinyin`
+
+The backend lives in firmware code. The IME pack manifest is the runtime registration layer that exposes it.
+
+### Locale Pack Manifest
+
+```ini
+kind=locale
+id=zh-Hans
+display_name=Simplified Chinese
+native_name=简体中文
+ui_font_pack=zh-hans-cjk
+content_font_pack=zh-hans-cjk
+ime_pack=zh-hans-pinyin
+strings=strings.tsv
+```
+
+Fields:
+
+- `id`
+  Locale identifier shown in persistence and logs.
+- `display_name`
+  English-facing name.
+- `native_name`
+  Native self-name shown in the selector.
+- `ui_font_pack`
+  Font pack used for interface chrome in this locale.
+- `content_font_pack`
+  Font pack preferred for content surfaces in this locale.
+- `ime_pack`
+  Optional IME dependency.
+- `strings`
+  Path to the locale TSV file, relative to the pack directory.
+
+If `content_font_pack` is omitted, it defaults to `ui_font_pack`.
+If `ui_font_pack` is omitted, it defaults to `builtin-latin-ui`.
+
+## String Table Format
+
+Locale strings are stored as TSV:
+
+```text
+English source string<TAB>Localized string
+```
+
+Supported escapes:
+
+- `\\n`
+- `\\t`
+- `\\r`
+- `\\\\`
+
+Example:
+
+```text
+Settings	Paramètres
+Send this code and compare:\\n	Envoyez ce code et comparez:\\n
+```
+
+The English source string remains the stable lookup key in code.
+
+## Failure Behavior
+
+If a locale pack cannot be used:
+
+- missing font pack dependency: locale is skipped
+- missing IME dependency: locale is skipped
+- active locale font cost exceeds the current memory profile: locale is skipped
+- persisted locale id no longer resolves: runtime falls back to `en`
+
+The persisted `display_locale` value is not erased just because a removable pack is absent. If the pack returns later, the locale becomes selectable again.
+
+If a content supplement cannot be loaded, the UI still stays alive. That specific text may render as missing glyphs, but the active locale remains unchanged.
+
+## Repository Bundles
+
+The repository ships source bundles under:
+
+- `packs/europe-latin-ext`
+- `packs/zh-Hans`
+- `packs/zh-Hant`
+- `packs/ja`
+- `packs/ko`
+
+Each source bundle contains:
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- generation notes in `README.md`
+- runtime payload trees under `fonts/`, `locales/`, and optional `ime/`
+- `build.ini` plus `charset.txt` in each external font-pack directory
+- `ranges.txt` for runtime coverage planning
+
+`font.bin` is intentionally not part of the source-of-truth layout. If it already exists
+locally, it will be used. If it is absent, the Pages pack build regenerates it from the
+bundled `charset.txt` and `build.ini` metadata before producing the zip archive.
+
+## Package Manifest
+
+Every source bundle now carries a bundle-level `package.ini`.
+
+Example:
+
+```ini
+kind=package
+id=zh-Hans
+package_type=locale-bundle
+version=1.0.0
+display_name=Simplified Chinese
+summary=Full Simplified Chinese locale bundle with external CJK font coverage and the built-in Pinyin IME backend.
+description=DESCRIPTION.txt
+readme=README.md
+author=Trail Mate
+homepage=https://vicliu624.github.io/trail-mate/
+min_firmware_version=0.1.18-alpha
+supported_memory_profiles=standard,extended
+tags=language,cjk,chinese,ime
+```
+
+Fields:
+
+- `id`
+  Stable package identifier used by the remote catalog and future installed-index file.
+- `package_type`
+  High-level package role. Today repository bundles use `locale-bundle`.
+- `version`
+  Package version, independent from the firmware tag.
+- `display_name`
+  Human-facing package name for the Extensions UI.
+- `summary`
+  Short one-line description for list views.
+- `description`
+  Plain-text description file relative to the bundle root.
+- `readme`
+  Developer-facing documentation file relative to the bundle root.
+- `author`
+  Package publisher string.
+- `homepage`
+  Project or package home page.
+- `min_firmware_version`
+  Minimum firmware version expected to understand the bundle contract correctly.
+- `supported_memory_profiles`
+  Declared compatibility hint for `constrained`, `standard`, and/or `extended` devices.
+- `tags`
+  Search and grouping metadata for a future Extensions browser.
+
+## Font Build Metadata
+
+Each external font-pack directory may also declare a `build.ini` used only by tooling.
+
+Example:
+
+```ini
+font=tools/fonts/NotoSansCJKsc-Regular.otf
+size=16
+bpp=2
+no_compress=true
+```
+
+Fields:
+
+- `font`
+  Source font file in the repository.
+- `size`
+  Pixel size passed to the binfont generator.
+- `bpp`
+  Bits-per-pixel for the generated font.
+- `no_compress`
+  Whether the generated `font.bin` should disable lv_font_conv RLE compression.
+
+This file is build metadata only. The runtime never reads it.
+
+## Distribution Archive Layout
+
+The GitHub Pages build now produces one zip per bundle under:
+
+```text
+site/assets/packs/<package-id>-<version>.zip
+```
+
+Each archive contains:
+
+```text
+package.ini
+DESCRIPTION.txt
+README.md
+payload/fonts/<font-pack-id>/...
+payload/locales/<locale-id>/...
+payload/ime/<ime-pack-id>/...
+```
+
+Inside `payload/`, only installable runtime files are included. Build-only files such as
+`charset.txt`, `build.ini`, and `.gitignore` are excluded from the archive.
+
+## Remote Catalog
+
+The Pages build also produces:
+
+```text
+site/data/packs.json
+```
+
+This catalog is the discovery surface for a future Extensions UI. Each entry contains:
+
+- package id, version, display name, summary, and long description
+- compatibility hints such as `min_firmware_version` and supported memory profiles
+- the list of locale/font/IME records provided by the bundle
+- archive path, size, and SHA-256 for download and update checks
+- estimated runtime font RAM totals for planning before install
+
+The catalog intentionally sits above the runtime registry. It describes downloadable bundles,
+not currently loaded fonts.
+
+## Installed Package Index
+
+The runtime registry still catalogs installed unpacked resources directly from `/trailmate/packs`.
+For package management, the corresponding installer layer should additionally maintain:
+
+```text
+/trailmate/packs/.index/installed.json
+```
+
+That file is expected to record:
+
+- installed package id
+- installed package version
+- install time
+- source archive SHA-256
+
+Future update prompts should compare this installed index against `site/data/packs.json`
+instead of guessing based on directory names.
+
+## Current IME Coverage
+
+Today only Simplified Chinese declares an IME pack in the repository bundle:
+
+- `zh-Hans` -> `zh-hans-pinyin`
+
+Traditional Chinese, Japanese, and Korean bundles are display-only for now. They intentionally keep input on the existing `EN` / `123` path until dedicated IME packs exist.
+
+## Adding A New Language
+
+1. Decide whether the locale can reuse an existing font pack or needs a new one.
+2. Add a source bundle `packs/<bundle-id>/` with `package.ini`, `DESCRIPTION.txt`, and `README.md`.
+3. Generate `charset.txt` and `ranges.txt` for each external font pack in that bundle.
+4. Write `build.ini` for each generated font pack.
+5. Write the runtime font manifest with `usage`, `estimated_ram_bytes`, and `ranges`.
+6. Write the locale pack manifest with `ui_font_pack` and `content_font_pack`.
+7. Add `ime_pack` only if the script truly needs extra input behavior.
+8. Run `python scripts/build_pack_repository.py --pack-root packs --site-root site`.
+9. Either install manually by copying the runtime payload to SD, or ship the generated zip through Pages for the future Extensions installer.
+10. Reboot and select the locale from Settings.
+
+## Design Rules
+
+This architecture intentionally avoids:
+
+- integer language enums
+- eager loading of every installed font at boot
+- a single global "non-ASCII => swap font" shortcut
+- conflating UI chrome text with user content text
+- per-platform localization implementations drifting apart
+- mixing runtime manifests with package-distribution metadata
+- forcing the runtime registry to understand remote catalogs or zip archives
+
+The dependency graph stays explicit:
+
+```text
+Locale Pack -> UI Font Pack
+Locale Pack -> Content Font Pack
+Locale Pack -> IME Pack
+Content text -> Optional supplement font packs
+```
+
+That makes the code easier to reason about and gives Trail Mate a path to broader language support without forcing every device to pay the same firmware and RAM cost.
diff --git a/images/ext.png b/images/ext.png
new file mode 100644
index 00000000..804f17dd
Binary files /dev/null and b/images/ext.png differ
diff --git a/images/wifi_topbar.png b/images/wifi_topbar.png
new file mode 100644
index 00000000..dcf1febc
Binary files /dev/null and b/images/wifi_topbar.png differ
diff --git a/modules/core_chat/include/chat/infra/mesh_adapter_router_core.h b/modules/core_chat/include/chat/infra/mesh_adapter_router_core.h
index f37720a6..36189510 100644
--- a/modules/core_chat/include/chat/infra/mesh_adapter_router_core.h
+++ b/modules/core_chat/include/chat/infra/mesh_adapter_router_core.h
@@ -40,7 +40,7 @@ class MeshAdapterRouterCore : public IMeshAdapter
     void applyConfig(const MeshConfig& config) override;
     void setUserInfo(const char* long_name, const char* short_name) override;
     void setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent) override;
-    void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled) override;
+    void setPrivacyConfig(uint8_t encrypt_mode) override;
     bool isReady() const override;
     bool pollIncomingRawPacket(uint8_t* out_data, size_t& out_len, size_t max_len) override;
     void handleRawPacket(const uint8_t* data, size_t size) override;
diff --git a/modules/core_chat/include/chat/infra/store/ram_store.h b/modules/core_chat/include/chat/infra/store/ram_store.h
index 8abbcd31..8fa48d92 100644
--- a/modules/core_chat/include/chat/infra/store/ram_store.h
+++ b/modules/core_chat/include/chat/infra/store/ram_store.h
@@ -35,6 +35,7 @@ class RamStore : public IChatStore
     void clearConversation(const ConversationId& conv) override;
     void clearAll() override;
     bool updateMessageStatus(MessageId msg_id, MessageStatus status) override;
+    bool getMessage(MessageId msg_id, ChatMessage* out) const override;
 
   private:
     struct StoredMessageEntry
diff --git a/modules/core_chat/include/chat/ports/i_chat_store.h b/modules/core_chat/include/chat/ports/i_chat_store.h
index 5d803f79..c9ded377 100644
--- a/modules/core_chat/include/chat/ports/i_chat_store.h
+++ b/modules/core_chat/include/chat/ports/i_chat_store.h
@@ -78,6 +78,14 @@ class IChatStore
      */
     virtual bool updateMessageStatus(MessageId msg_id, MessageStatus status) = 0;
 
+    /**
+     * @brief Look up a stored message by message ID
+     * @param msg_id Message ID
+     * @param out Optional out-parameter populated on success
+     * @return true if found
+     */
+    virtual bool getMessage(MessageId msg_id, ChatMessage* out) const = 0;
+
     /**
      * @brief Flush pending buffered writes to persistent storage
      *
diff --git a/modules/core_chat/include/chat/ports/i_mesh_adapter.h b/modules/core_chat/include/chat/ports/i_mesh_adapter.h
index 30209449..8719718b 100644
--- a/modules/core_chat/include/chat/ports/i_mesh_adapter.h
+++ b/modules/core_chat/include/chat/ports/i_mesh_adapter.h
@@ -203,10 +203,9 @@ class IMeshAdapter
     /**
      * @brief Apply privacy configuration
      */
-    virtual void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+    virtual void setPrivacyConfig(uint8_t encrypt_mode)
     {
         (void)encrypt_mode;
-        (void)pki_enabled;
     }
 
     /**
diff --git a/modules/core_chat/include/chat/usecase/chat_service.h b/modules/core_chat/include/chat/usecase/chat_service.h
index 9af1c03d..e8b16e21 100644
--- a/modules/core_chat/include/chat/usecase/chat_service.h
+++ b/modules/core_chat/include/chat/usecase/chat_service.h
@@ -161,6 +161,7 @@ class ChatService
     ChannelId current_channel_;
     bool model_enabled_ = true;
     MeshProtocol active_protocol_ = MeshProtocol::Meshtastic;
+    mutable ChatMessage store_lookup_cache_{};
 
     std::vector<IncomingTextObserver*> incoming_text_observers_;
     std::vector<IncomingMessageObserver*> incoming_message_observers_;
diff --git a/modules/core_chat/src/infra/mesh_adapter_router_core.cpp b/modules/core_chat/src/infra/mesh_adapter_router_core.cpp
index 0f9eeaa6..f96507b9 100644
--- a/modules/core_chat/src/infra/mesh_adapter_router_core.cpp
+++ b/modules/core_chat/src/infra/mesh_adapter_router_core.cpp
@@ -170,12 +170,12 @@ void MeshAdapterRouterCore::setNetworkLimits(bool duty_cycle_enabled, uint8_t ut
     }
 }
 
-void MeshAdapterRouterCore::setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+void MeshAdapterRouterCore::setPrivacyConfig(uint8_t encrypt_mode)
 {
     IMeshAdapter* backend = activeBackend();
     if (backend)
     {
-        backend->setPrivacyConfig(encrypt_mode, pki_enabled);
+        backend->setPrivacyConfig(encrypt_mode);
     }
 }
 
diff --git a/modules/core_chat/src/infra/store/ram_store.cpp b/modules/core_chat/src/infra/store/ram_store.cpp
index 174298dd..5cd8ff46 100644
--- a/modules/core_chat/src/infra/store/ram_store.cpp
+++ b/modules/core_chat/src/infra/store/ram_store.cpp
@@ -168,6 +168,32 @@ bool RamStore::updateMessageStatus(MessageId msg_id, MessageStatus status)
     return false;
 }
 
+bool RamStore::getMessage(MessageId msg_id, ChatMessage* out) const
+{
+    if (msg_id == 0)
+    {
+        return false;
+    }
+
+    for (const auto& pair : conversations_)
+    {
+        const ConversationStorage& storage = pair.second;
+        for (const auto& entry : storage.messages)
+        {
+            if (entry.message.msg_id != msg_id)
+            {
+                continue;
+            }
+            if (out)
+            {
+                *out = entry.message;
+            }
+            return true;
+        }
+    }
+    return false;
+}
+
 void RamStore::evictOldestMessage()
 {
     auto oldest_it = conversations_.end();
diff --git a/modules/core_chat/src/usecase/chat_service.cpp b/modules/core_chat/src/usecase/chat_service.cpp
index 3819af73..966e3de2 100644
--- a/modules/core_chat/src/usecase/chat_service.cpp
+++ b/modules/core_chat/src/usecase/chat_service.cpp
@@ -110,23 +110,22 @@ void ChatService::switchChannel(ChannelId channel)
 
 bool ChatService::resendFailed(MessageId msg_id)
 {
-    const ChatMessage* msg = model_.getMessage(msg_id);
-    if (!msg || msg->status != MessageStatus::Failed)
+    ChatMessage msg;
+    if (const ChatMessage* model_msg = model_.getMessage(msg_id))
+    {
+        msg = *model_msg;
+    }
+    else if (!store_.getMessage(msg_id, &msg))
     {
         return false;
     }
 
-    MessageId new_msg_id = 0;
-    if (adapter_.sendText(msg->channel, msg->text, &new_msg_id, msg->peer))
+    if (msg.status != MessageStatus::Failed)
     {
-        ChatMessage resend_msg = *msg;
-        resend_msg.msg_id = (new_msg_id != 0) ? new_msg_id : msg_id;
-        resend_msg.status = MessageStatus::Queued;
-        model_.onSendQueued(resend_msg);
-        return true;
+        return false;
     }
 
-    return false;
+    return sendText(msg.channel, msg.text, msg.peer) != 0;
 }
 
 std::vector<ChatMessage> ChatService::getRecentMessages(const ConversationId& conv, size_t limit) const
@@ -349,7 +348,15 @@ void ChatService::handleSendResult(MessageId msg_id, bool ok)
 
 const ChatMessage* ChatService::getMessage(MessageId msg_id) const
 {
-    return model_.getMessage(msg_id);
+    if (const ChatMessage* msg = model_.getMessage(msg_id))
+    {
+        return msg;
+    }
+    if (store_.getMessage(msg_id, &store_lookup_cache_))
+    {
+        return &store_lookup_cache_;
+    }
+    return nullptr;
 }
 
 void ChatService::setModelEnabled(bool enabled)
diff --git a/modules/core_sys/include/app/app_config.h b/modules/core_sys/include/app/app_config.h
index 8efdeac8..b01a01ea 100644
--- a/modules/core_sys/include/app/app_config.h
+++ b/modules/core_sys/include/app/app_config.h
@@ -125,7 +125,6 @@ struct AppConfig
 
     // Privacy settings
     uint8_t privacy_encrypt_mode;
-    bool privacy_pki;
     uint8_t privacy_nmea_output;
     uint8_t privacy_nmea_sentence;
 
@@ -190,7 +189,6 @@ struct AppConfig
         net_channel_util = 0;
 
         privacy_encrypt_mode = 1;
-        privacy_pki = false;
         privacy_nmea_output = 0;
         privacy_nmea_sentence = 0;
         route_enabled = false;
diff --git a/modules/core_sys/include/platform/ui/device_runtime.h b/modules/core_sys/include/platform/ui/device_runtime.h
index 111c9d6a..a72d4181 100644
--- a/modules/core_sys/include/platform/ui/device_runtime.h
+++ b/modules/core_sys/include/platform/ui/device_runtime.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstddef>
 #include <cstdint>
 
 namespace platform::ui::device
@@ -12,10 +13,21 @@ struct BatteryInfo
     int level = -1;
 };
 
+struct MemoryStats
+{
+    std::size_t ram_total_bytes = 0;
+    std::size_t ram_free_bytes = 0;
+    std::size_t psram_total_bytes = 0;
+    std::size_t psram_free_bytes = 0;
+    bool psram_available = false;
+};
+
 void delay_ms(uint32_t ms);
 void restart();
 bool rtc_ready();
 BatteryInfo battery_info();
+MemoryStats memory_stats();
+const char* firmware_version();
 void handle_low_battery(const BatteryInfo& info);
 bool supports_screen_brightness();
 uint8_t screen_brightness();
diff --git a/modules/core_sys/include/platform/ui/settings_store.h b/modules/core_sys/include/platform/ui/settings_store.h
index bae561bf..1844d89c 100644
--- a/modules/core_sys/include/platform/ui/settings_store.h
+++ b/modules/core_sys/include/platform/ui/settings_store.h
@@ -2,6 +2,7 @@
 
 #include <cstddef>
 #include <cstdint>
+#include <string>
 #include <vector>
 
 namespace platform::ui::settings_store
@@ -10,10 +11,12 @@ namespace platform::ui::settings_store
 void put_int(const char* ns, const char* key, int value);
 void put_bool(const char* ns, const char* key, bool value);
 void put_uint(const char* ns, const char* key, uint32_t value);
+bool put_string(const char* ns, const char* key, const char* value);
 bool put_blob(const char* ns, const char* key, const void* data, std::size_t len);
 int get_int(const char* ns, const char* key, int default_value);
 bool get_bool(const char* ns, const char* key, bool default_value);
 uint32_t get_uint(const char* ns, const char* key, uint32_t default_value);
+bool get_string(const char* ns, const char* key, std::string& out);
 bool get_blob(const char* ns, const char* key, std::vector<uint8_t>& out);
 void remove_keys(const char* ns, const char* const* keys, std::size_t key_count);
 void clear_namespace(const char* ns);
diff --git a/modules/core_sys/include/platform/ui/wifi_runtime.h b/modules/core_sys/include/platform/ui/wifi_runtime.h
new file mode 100644
index 00000000..d06f219d
--- /dev/null
+++ b/modules/core_sys/include/platform/ui/wifi_runtime.h
@@ -0,0 +1,62 @@
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+namespace platform::ui::wifi
+{
+
+constexpr std::size_t kMaxSsidLength = 32;
+constexpr std::size_t kMaxPasswordLength = 64;
+constexpr std::size_t kMaxIpLength = 47;
+constexpr std::size_t kMaxStatusMessageLength = 95;
+
+enum class ConnectionState : uint8_t
+{
+    Unsupported = 0,
+    Disabled,
+    Idle,
+    Scanning,
+    Connecting,
+    Connected,
+    Error,
+};
+
+struct Config
+{
+    bool enabled = false;
+    char ssid[kMaxSsidLength + 1] = {};
+    char password[kMaxPasswordLength + 1] = {};
+};
+
+struct Status
+{
+    bool supported = false;
+    bool enabled = false;
+    bool connected = false;
+    bool scanning = false;
+    bool has_credentials = false;
+    int rssi = -127;
+    char ssid[kMaxSsidLength + 1] = {};
+    char ip[kMaxIpLength + 1] = {};
+    char message[kMaxStatusMessageLength + 1] = {};
+    ConnectionState state = ConnectionState::Unsupported;
+};
+
+struct ScanResult
+{
+    char ssid[kMaxSsidLength + 1] = {};
+    int rssi = -127;
+    bool requires_password = true;
+};
+
+bool is_supported();
+bool load_config(Config& out);
+bool save_config(const Config& config);
+bool apply_enabled(bool enabled);
+bool connect(const Config* override_config = nullptr);
+void disconnect();
+bool scan(std::vector<ScanResult>& out_results);
+Status status();
+
+} // namespace platform::ui::wifi
diff --git a/modules/ui_shared/include/ui/app_catalog_builder.h b/modules/ui_shared/include/ui/app_catalog_builder.h
index 43300f1b..953142ce 100644
--- a/modules/ui_shared/include/ui/app_catalog_builder.h
+++ b/modules/ui_shared/include/ui/app_catalog_builder.h
@@ -25,6 +25,7 @@ struct FeatureFlags
     bool include_sstv = true;
     bool include_usb = false;
     bool include_settings = true;
+    bool include_extensions = true;
     bool include_walkie_talkie = false;
 };
 
diff --git a/modules/ui_shared/include/ui/assets/fonts/font_utils.h b/modules/ui_shared/include/ui/assets/fonts/font_utils.h
index 96849733..bade8bdf 100644
--- a/modules/ui_shared/include/ui/assets/fonts/font_utils.h
+++ b/modules/ui_shared/include/ui/assets/fonts/font_utils.h
@@ -1,9 +1,11 @@
 #pragma once
 
 #include <cstddef>
+#include <cstdint>
 
 #include "lvgl.h"
 #include "ui/assets/fonts/fonts.h"
+#include "ui/localization.h"
 #include "ui/page/page_profile.h"
 
 #if !defined(LV_FONT_MONTSERRAT_16) || !LV_FONT_MONTSERRAT_16
@@ -16,6 +18,23 @@
 namespace ui::fonts
 {
 
+enum class FontScope : uint8_t
+{
+    Ui = 0,
+    Content,
+};
+
+struct LocalizedFontBinding
+{
+    const lv_font_t* base = nullptr;
+    FontScope scope = FontScope::Ui;
+    lv_font_t composed{};
+    bool used = false;
+};
+
+LocalizedFontBinding* localized_font_binding_storage();
+std::size_t localized_font_binding_storage_size();
+
 inline bool utf8_has_non_ascii(const char* text)
 {
     if (!text)
@@ -40,25 +59,153 @@ inline const lv_font_t* ui_chrome_font()
                : &lv_font_montserrat_16;
 }
 
-inline const lv_font_t* chat_content_font(const char* text)
+inline const lv_font_t* unwrap_localized_font(const lv_font_t* font)
 {
-#if defined(GAT562_NO_CJK) && GAT562_NO_CJK
-    (void)text;
-    return ui_chrome_font();
-#else
-    return utf8_has_non_ascii(text) ? &lv_font_noto_cjk_16_2bpp : ui_chrome_font();
-#endif
+    if (!font)
+    {
+        return nullptr;
+    }
+
+    LocalizedFontBinding* bindings = localized_font_binding_storage();
+    const std::size_t binding_count = localized_font_binding_storage_size();
+    for (std::size_t index = 0; index < binding_count; ++index)
+    {
+        const LocalizedFontBinding& binding = bindings[index];
+        if (binding.used && font == &binding.composed)
+        {
+            return binding.base;
+        }
+    }
+
+    return font;
+}
+
+inline void sync_localized_font_binding(LocalizedFontBinding& binding)
+{
+    if (!binding.base)
+    {
+        return;
+    }
+
+    binding.composed = *binding.base;
+    const lv_font_t* fallback = binding.scope == FontScope::Content
+                                    ? ::ui::i18n::active_content_font_fallback()
+                                    : ::ui::i18n::active_ui_font_fallback();
+    binding.composed.fallback = (fallback && fallback != binding.base) ? fallback : nullptr;
+}
+
+inline LocalizedFontBinding* find_localized_font_binding(const lv_font_t* base_font, FontScope scope)
+{
+    LocalizedFontBinding* bindings = localized_font_binding_storage();
+    const std::size_t binding_count = localized_font_binding_storage_size();
+    for (std::size_t index = 0; index < binding_count; ++index)
+    {
+        LocalizedFontBinding& binding = bindings[index];
+        if (binding.used && binding.base == base_font && binding.scope == scope)
+        {
+            return &binding;
+        }
+    }
+    return nullptr;
+}
+
+inline LocalizedFontBinding* acquire_localized_font_binding(const lv_font_t* base_font, FontScope scope)
+{
+    LocalizedFontBinding* bindings = localized_font_binding_storage();
+    const std::size_t binding_count = localized_font_binding_storage_size();
+    for (std::size_t index = 0; index < binding_count; ++index)
+    {
+        LocalizedFontBinding& binding = bindings[index];
+        if (!binding.used)
+        {
+            binding.used = true;
+            binding.base = base_font;
+            binding.scope = scope;
+            sync_localized_font_binding(binding);
+            return &binding;
+        }
+    }
+    return nullptr;
+}
+
+inline void clear_locale_font_bindings()
+{
+    LocalizedFontBinding* bindings = localized_font_binding_storage();
+    const std::size_t binding_count = localized_font_binding_storage_size();
+    for (std::size_t index = 0; index < binding_count; ++index)
+    {
+        LocalizedFontBinding& binding = bindings[index];
+        if (!binding.used)
+        {
+            continue;
+        }
+        binding.composed = *binding.base;
+        binding.composed.fallback = nullptr;
+    }
+}
+
+inline void refresh_locale_font_bindings()
+{
+    LocalizedFontBinding* bindings = localized_font_binding_storage();
+    const std::size_t binding_count = localized_font_binding_storage_size();
+    for (std::size_t index = 0; index < binding_count; ++index)
+    {
+        LocalizedFontBinding& binding = bindings[index];
+        if (!binding.used)
+        {
+            continue;
+        }
+        sync_localized_font_binding(binding);
+    }
+}
+
+inline const lv_font_t* localized_font(FontScope scope,
+                                       const char* text,
+                                       const lv_font_t* ascii_font = nullptr)
+{
+    if (scope == FontScope::Content)
+    {
+        (void)::ui::i18n::ensure_content_font_for_text(text);
+    }
+
+    const lv_font_t* base_font = unwrap_localized_font(ascii_font ? ascii_font : ui_chrome_font());
+    if (!base_font)
+    {
+        base_font = ui_chrome_font();
+    }
+
+    if (LocalizedFontBinding* existing = find_localized_font_binding(base_font, scope))
+    {
+        sync_localized_font_binding(*existing);
+        return &existing->composed;
+    }
+
+    if (LocalizedFontBinding* created = acquire_localized_font_binding(base_font, scope))
+    {
+        return &created->composed;
+    }
+
+    return base_font;
+}
+
+inline const lv_font_t* localized_font(const lv_font_t* ascii_font = nullptr)
+{
+    return localized_font(FontScope::Ui, nullptr, ascii_font);
 }
 
 inline const lv_font_t* localized_font(const char* text, const lv_font_t* ascii_font)
 {
-    const lv_font_t* fallback = ascii_font ? ascii_font : ui_chrome_font();
-#if defined(GAT562_NO_CJK) && GAT562_NO_CJK
-    (void)text;
-    return fallback;
-#else
-    return utf8_has_non_ascii(text) ? &lv_font_noto_cjk_16_2bpp : fallback;
-#endif
+    return localized_font(FontScope::Ui, text, ascii_font);
+}
+
+inline const lv_font_t* content_font(const char* text, const lv_font_t* ascii_font = nullptr)
+{
+    return localized_font(FontScope::Content, text, ascii_font ? ascii_font : ui_chrome_font());
+}
+
+inline const lv_font_t* chat_content_font(const char* text)
+{
+    return content_font(text, ui_chrome_font());
 }
 
 inline void apply_font(lv_obj_t* label, const lv_font_t* font)
@@ -71,17 +218,22 @@ inline void apply_font(lv_obj_t* label, const lv_font_t* font)
 
 inline void apply_ui_chrome_font(lv_obj_t* label)
 {
-    apply_font(label, ui_chrome_font());
+    apply_font(label, localized_font(ui_chrome_font()));
+}
+
+inline void apply_content_font(lv_obj_t* label, const char* text, const lv_font_t* ascii_font = nullptr)
+{
+    apply_font(label, content_font(text, ascii_font));
 }
 
 inline void apply_chat_content_font(lv_obj_t* label, const char* text)
 {
-    apply_font(label, chat_content_font(text));
+    apply_content_font(label, text, ui_chrome_font());
 }
 
 inline void apply_localized_font(lv_obj_t* label, const char* text, const lv_font_t* ascii_font)
 {
-    apply_font(label, localized_font(text, ascii_font));
+    apply_font(label, localized_font(FontScope::Ui, text, ascii_font));
 }
 
 } // namespace ui::fonts
diff --git a/modules/ui_shared/include/ui/assets/fonts/fonts.h b/modules/ui_shared/include/ui/assets/fonts/fonts.h
index ddc2cdf7..07758f5d 100644
--- a/modules/ui_shared/include/ui/assets/fonts/fonts.h
+++ b/modules/ui_shared/include/ui/assets/fonts/fonts.h
@@ -7,8 +7,6 @@
 
 #include "lvgl.h"
 
-#if defined(GAT562_NO_CJK) && GAT562_NO_CJK
+// Legacy compatibility alias only. Simplified Chinese glyph coverage now
+// comes from external font packs instead of a compiled-in LVGL font.
 #define lv_font_noto_cjk_16_2bpp lv_font_montserrat_14
-#else
-LV_FONT_DECLARE(lv_font_noto_cjk_16_2bpp);
-#endif
diff --git a/modules/ui_shared/include/ui/localization.h b/modules/ui_shared/include/ui/localization.h
index 3596147c..0d1c9a72 100644
--- a/modules/ui_shared/include/ui/localization.h
+++ b/modules/ui_shared/include/ui/localization.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <cstdarg>
+#include <cstddef>
 #include <cstdint>
 #include <string>
 
@@ -9,23 +10,38 @@
 namespace ui::i18n
 {
 
-enum class Language : uint8_t
+struct LocaleInfo
 {
-    English = 0,
-    Chinese = 1,
+    const char* id = nullptr;
+    const char* display_name = nullptr;
+    const char* native_name = nullptr;
+    const char* ui_font_pack_id = nullptr;
+    const char* content_font_pack_id = nullptr;
+    const char* ime_pack_id = nullptr;
+    bool builtin = true;
 };
 
-Language language_from_raw(int raw_value);
 void reload_language();
-Language current_language();
-bool set_language(Language language, bool persist = true);
-bool supports_chinese();
+std::size_t locale_count();
+const LocaleInfo* locale_at(std::size_t index);
+int current_locale_index();
+const char* current_locale_id();
+const char* current_locale_display_name();
+bool set_locale(const char* locale_id, bool persist = true);
+bool set_locale_by_index(std::size_t index, bool persist = true);
+const lv_font_t* active_ui_font_fallback();
+const lv_font_t* active_content_font_fallback();
+bool ensure_content_font_for_text(const char* text);
+const char* active_ime_pack_id();
+bool active_locale_supports_script_input();
 const char* tr(const char* english);
 std::string vformat(const char* english_fmt, va_list args);
 std::string format(const char* english_fmt, ...);
 
 void set_label_text(lv_obj_t* label, const char* english);
 void set_label_text_raw(lv_obj_t* label, const char* text);
+void set_content_label_text(lv_obj_t* label, const char* english);
+void set_content_label_text_raw(lv_obj_t* label, const char* text);
 void set_label_text_fmt(lv_obj_t* label, const char* english_fmt, ...);
 
 } // namespace ui::i18n
diff --git a/modules/ui_shared/include/ui/menu/menu_layout.h b/modules/ui_shared/include/ui/menu/menu_layout.h
index 529eb9d6..46bb3b8e 100644
--- a/modules/ui_shared/include/ui/menu/menu_layout.h
+++ b/modules/ui_shared/include/ui/menu/menu_layout.h
@@ -20,6 +20,10 @@ void init(const InitOptions& options);
 lv_obj_t* menuPanel();
 void bringContentToFront();
 void refresh_localized_text();
+void set_bottom_bar_node_text(const char* text);
+void set_bottom_bar_ram_text(const char* text);
+void set_bottom_bar_psram_text(const char* text);
+void set_bottom_bar_psram_visible(bool visible);
 void setMenuVisible(bool visible);
 
 } // namespace menu_layout
diff --git a/modules/ui_shared/include/ui/runtime/memory_profile.h b/modules/ui_shared/include/ui/runtime/memory_profile.h
new file mode 100644
index 00000000..2f3fab37
--- /dev/null
+++ b/modules/ui_shared/include/ui/runtime/memory_profile.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+
+namespace ui::runtime
+{
+
+enum class MemoryProfileKind : uint8_t
+{
+    Constrained = 0,
+    Standard,
+    Extended,
+};
+
+struct MemoryProfile
+{
+    const char* name = "constrained";
+    MemoryProfileKind kind = MemoryProfileKind::Constrained;
+
+    std::size_t max_locale_font_ram_bytes = 0;
+    std::size_t max_content_supplement_ram_bytes = 0;
+    std::size_t max_content_supplement_packs = 0;
+
+    std::size_t max_map_decode_tiles = 0;
+    bool retain_map_decode_cache_on_page_exit = false;
+};
+
+const MemoryProfile& current_memory_profile();
+
+inline bool allows_content_supplements()
+{
+    const MemoryProfile& profile = current_memory_profile();
+    return profile.max_content_supplement_packs > 0 && profile.max_content_supplement_ram_bytes > 0;
+}
+
+} // namespace ui::runtime
diff --git a/modules/ui_shared/include/ui/runtime/pack_repository.h b/modules/ui_shared/include/ui/runtime/pack_repository.h
new file mode 100644
index 00000000..55d56297
--- /dev/null
+++ b/modules/ui_shared/include/ui/runtime/pack_repository.h
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace ui::runtime::packs
+{
+
+struct InstalledPackageRecord
+{
+    std::string id;
+    std::string version;
+    std::string archive_sha256;
+    std::uint64_t installed_at_epoch = 0;
+};
+
+struct PackageRecord
+{
+    std::string id;
+    std::string package_type;
+    std::string version;
+    std::string display_name;
+    std::string summary;
+    std::string description;
+    std::string author;
+    std::string homepage;
+    std::string min_firmware_version;
+    std::vector<std::string> supported_memory_profiles;
+    std::vector<std::string> tags;
+    std::vector<std::string> provided_locale_ids;
+    std::vector<std::string> provided_font_ids;
+    std::vector<std::string> provided_ime_ids;
+    std::size_t estimated_unique_font_ram_bytes = 0;
+    std::size_t archive_size_bytes = 0;
+    std::string archive_path;
+    std::string archive_sha256;
+    std::string download_url;
+    bool compatible_memory_profile = true;
+    bool compatible_firmware = true;
+    bool installed = false;
+    bool update_available = false;
+    InstalledPackageRecord installed_record{};
+};
+
+bool is_supported();
+bool load_installed_packages(std::vector<InstalledPackageRecord>& out_installed, std::string& out_error);
+bool fetch_catalog(std::vector<PackageRecord>& out_packages, std::string& out_error);
+bool install_package(const PackageRecord& package, std::string& out_error);
+
+} // namespace ui::runtime::packs
diff --git a/modules/ui_shared/include/ui/screens/chat/chat_protocol_support.h b/modules/ui_shared/include/ui/screens/chat/chat_protocol_support.h
new file mode 100644
index 00000000..a7653816
--- /dev/null
+++ b/modules/ui_shared/include/ui/screens/chat/chat_protocol_support.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include "chat/domain/chat_types.h"
+#include "chat/ports/i_mesh_adapter.h"
+
+namespace chat::ui::support
+{
+
+chat::MeshProtocol active_mesh_protocol();
+chat::MeshCapabilities active_mesh_capabilities();
+bool supports_local_text_chat();
+bool supports_team_chat();
+const char* local_text_chat_unavailable_message();
+const char* team_chat_unavailable_message();
+
+} // namespace chat::ui::support
diff --git a/modules/ui_shared/include/ui/screens/chat/chat_send_flow.h b/modules/ui_shared/include/ui/screens/chat/chat_send_flow.h
new file mode 100644
index 00000000..016ceff8
--- /dev/null
+++ b/modules/ui_shared/include/ui/screens/chat/chat_send_flow.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "chat/domain/chat_types.h"
+#include <string>
+
+namespace chat
+{
+class ChatService;
+}
+
+namespace chat::ui
+{
+class ChatComposeScreen;
+}
+
+namespace chat::ui::send_flow
+{
+
+bool begin_local_text_send(ChatComposeScreen* compose,
+                           chat::ChatService* service,
+                           const chat::ConversationId& conv,
+                           const std::string& text,
+                           void (*done_cb)(bool ok, bool timeout, void*),
+                           void* user_data);
+
+} // namespace chat::ui::send_flow
diff --git a/modules/ui_shared/include/ui/screens/chat/chat_ui_controller.h b/modules/ui_shared/include/ui/screens/chat/chat_ui_controller.h
index e5552fa3..00217f14 100644
--- a/modules/ui_shared/include/ui/screens/chat/chat_ui_controller.h
+++ b/modules/ui_shared/include/ui/screens/chat/chat_ui_controller.h
@@ -74,6 +74,8 @@ class UiController : public IChatUiRuntime
     void switchToCompose(chat::ConversationId conv);
     void handleChannelSelected(const chat::ConversationId& conv);
     void handleSendMessage(const std::string& text);
+    void handleComposeSendDone(bool ok, bool timeout);
+    static void handleComposeSendDoneCallback(bool ok, bool timeout, void* user_data);
     void refreshUnreadCounts();
     void refreshUnreadCounts(bool force_reload);
     void cleanupComposeIme();
diff --git a/modules/ui_shared/include/ui/screens/extensions/extensions_page_runtime.h b/modules/ui_shared/include/ui/screens/extensions/extensions_page_runtime.h
new file mode 100644
index 00000000..cfc56a19
--- /dev/null
+++ b/modules/ui_shared/include/ui/screens/extensions/extensions_page_runtime.h
@@ -0,0 +1,18 @@
+/**
+ * @file extensions_page_runtime.h
+ * @brief Shared Extensions page runtime
+ */
+
+#pragma once
+
+#include "lvgl.h"
+#include "ui/screens/extensions/extensions_page_shell.h"
+
+namespace extensions::ui::runtime
+{
+
+bool is_available();
+void enter(const shell::Host* host, lv_obj_t* parent);
+void exit(lv_obj_t* parent);
+
+} // namespace extensions::ui::runtime
diff --git a/modules/ui_shared/include/ui/screens/extensions/extensions_page_shell.h b/modules/ui_shared/include/ui/screens/extensions/extensions_page_shell.h
new file mode 100644
index 00000000..da296044
--- /dev/null
+++ b/modules/ui_shared/include/ui/screens/extensions/extensions_page_shell.h
@@ -0,0 +1,19 @@
+/**
+ * @file extensions_page_shell.h
+ * @brief Shared Extensions page shell entrypoints
+ */
+
+#pragma once
+
+#include "lvgl.h"
+#include "ui/page/page_host.h"
+
+namespace extensions::ui::shell
+{
+
+using Host = ::ui::page::Host;
+
+void enter(void* user_data, lv_obj_t* parent);
+void exit(void* user_data, lv_obj_t* parent);
+
+} // namespace extensions::ui::shell
diff --git a/modules/ui_shared/include/ui/screens/settings/settings_state.h b/modules/ui_shared/include/ui/screens/settings/settings_state.h
index 4f3b0331..55899cc3 100644
--- a/modules/ui_shared/include/ui/screens/settings/settings_state.h
+++ b/modules/ui_shared/include/ui/screens/settings/settings_state.h
@@ -14,6 +14,7 @@ namespace settings::ui
 
 enum class SettingType
 {
+    Info,
     Toggle,
     Enum,
     Text,
@@ -101,7 +102,6 @@ struct SettingsData
 
     // Chat/GPS (privacy-related controls)
     int privacy_encrypt_mode = 1;
-    bool privacy_pki = false;
     int privacy_nmea_output = 0;
     int privacy_nmea_sentence = 0;
 
@@ -110,10 +110,17 @@ struct SettingsData
     int screen_brightness = 16;
     int timezone_offset_min = 0;
     int speaker_volume = 45;
-    int display_language = 0;
+    int display_locale_index = 0;
     bool ble_enabled = true;
     bool vibration_enabled = true;
 
+    // Wi-Fi
+    bool wifi_enabled = false;
+    int wifi_network_index = -1;
+    char wifi_status[96] = "";
+    char wifi_ssid[33] = "";
+    char wifi_password[65] = "";
+
     // Power / Gauge (System)
     char gauge_design_mah[8] = "";
     char gauge_full_mah[8] = "";
diff --git a/modules/ui_shared/include/ui/ui_status.h b/modules/ui_shared/include/ui/ui_status.h
index 56d5f7dc..cc69644a 100644
--- a/modules/ui_shared/include/ui/ui_status.h
+++ b/modules/ui_shared/include/ui/ui_status.h
@@ -17,6 +17,7 @@ void register_menu_status_row(lv_obj_t* row,
                               lv_obj_t* route_icon,
                               lv_obj_t* tracker_icon,
                               lv_obj_t* gps_icon,
+                              lv_obj_t* wifi_icon,
                               lv_obj_t* team_icon,
                               lv_obj_t* msg_icon,
                               lv_obj_t* ble_icon);
diff --git a/modules/ui_shared/src/ui/app_catalog_builder.cpp b/modules/ui_shared/src/ui/app_catalog_builder.cpp
index 8aecab5a..829e74e8 100644
--- a/modules/ui_shared/src/ui/app_catalog_builder.cpp
+++ b/modules/ui_shared/src/ui/app_catalog_builder.cpp
@@ -14,6 +14,7 @@
 #include "ui/screens/chat/chat_page_shell.h"
 #include "ui/screens/contacts/contacts_page_shell.h"
 #include "ui/screens/energy_sweep/energy_sweep_page_shell.h"
+#include "ui/screens/extensions/extensions_page_shell.h"
 #include "ui/screens/gnss/gnss_skyplot_page_shell.h"
 #include "ui/screens/gps/gps_page_shell.h"
 #if !defined(GAT562_NO_HOSTLINK) || !GAT562_NO_HOSTLINK
@@ -63,6 +64,7 @@ extern "C"
     extern const lv_image_dsc_t sstv;
 #endif
     extern const lv_image_dsc_t Setting;
+    extern const lv_image_dsc_t ext;
 #if !defined(GAT562_NO_HOSTLINK) || !GAT562_NO_HOSTLINK
     extern const lv_image_dsc_t img_usb;
 #endif
@@ -135,6 +137,10 @@ ui::CallbackAppScreen s_setting_app("settings", "Setting", &Setting,
                                     settings::ui::shell::enter,
                                     settings::ui::shell::exit,
                                     &s_menu_host);
+ui::CallbackAppScreen s_extensions_app("extensions", "Extensions", &ext,
+                                       extensions::ui::shell::enter,
+                                       extensions::ui::shell::exit,
+                                       &s_menu_host);
 ui::CallbackAppScreen s_walkie_app("walkie_talkie", "Walkie Talkie", &walkie_talkie,
                                    walkie_page::ui::shell::enter,
                                    walkie_page::ui::shell::exit,
@@ -215,6 +221,10 @@ AppCatalog build(const FeatureFlags& flags)
         {
             add(&s_setting_app);
         }
+        if (flags.include_extensions)
+        {
+            add(&s_extensions_app);
+        }
     };
 
     if (flags.profile == CatalogProfile::IdfDefault)
diff --git a/modules/ui_shared/src/ui/assets/ext.c b/modules/ui_shared/src/ui/assets/ext.c
new file mode 100644
index 00000000..81966de6
--- /dev/null
+++ b/modules/ui_shared/src/ui/assets/ext.c
@@ -0,0 +1,165 @@
+#ifdef __has_include
+    #if __has_include("lvgl.h")
+        #ifndef LV_LVGL_H_INCLUDE_SIMPLE
+            #define LV_LVGL_H_INCLUDE_SIMPLE
+        #endif
+    #endif
+#endif
+
+#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
+    #include "lvgl.h"
+#else
+    #include "lvgl/lvgl.h"
+#endif
+
+
+#ifndef LV_ATTRIBUTE_MEM_ALIGN
+#define LV_ATTRIBUTE_MEM_ALIGN
+#endif
+
+#ifndef LV_ATTRIBUTE_IMAGE_EXT
+#define LV_ATTRIBUTE_IMAGE_EXT
+#endif
+
+const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST LV_ATTRIBUTE_IMAGE_EXT uint8_t ext_map[] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe9, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xe9, 0x20, 
+  0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xe9, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe9, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 0xea, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xea, 0x20, 0xea, 0x20, 
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+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdf, 0xff, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xff, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, 0xff, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xdf, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0xbf, 0x7f, 0x20, 0x00, 0x60, 0xdf, 0xff, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdf, 0xff, 0xdf, 0x40, 0x20, 0x40, 0x9f, 0xdf, 0x7f, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xbf, 0xdf, 0xff, 0x9f, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xbf, 0xdf, 0xff, 0x9f, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x9f, 0xdf, 0xdf, 0xbf, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0xff, 0xdf, 0x60, 0x20, 0x20, 0x40, 0xdf, 0xff, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdf, 0xff, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0xff, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdf, 0xff, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
+  0xdf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+};
+
+const lv_image_dsc_t ext = {
+    .header.magic = LV_IMAGE_HEADER_MAGIC,
+    .header.cf = LV_COLOR_FORMAT_RGB565A8,
+    .header.flags = 0,
+    .header.w = 64,
+    .header.h = 64,
+    .header.stride = 128,
+    .data_size = sizeof(ext_map),
+    .data = ext_map,
+};
diff --git a/modules/ui_shared/src/ui/assets/fonts/font_utils.cpp b/modules/ui_shared/src/ui/assets/fonts/font_utils.cpp
new file mode 100644
index 00000000..bf782423
--- /dev/null
+++ b/modules/ui_shared/src/ui/assets/fonts/font_utils.cpp
@@ -0,0 +1,23 @@
+#include "ui/assets/fonts/font_utils.h"
+
+namespace ui::fonts
+{
+namespace
+{
+
+constexpr std::size_t kMaxLocalizedFontBindings = 32;
+LocalizedFontBinding s_localized_font_bindings[kMaxLocalizedFontBindings]{};
+
+} // namespace
+
+LocalizedFontBinding* localized_font_binding_storage()
+{
+    return s_localized_font_bindings;
+}
+
+std::size_t localized_font_binding_storage_size()
+{
+    return kMaxLocalizedFontBindings;
+}
+
+} // namespace ui::fonts
diff --git a/modules/ui_shared/src/ui/assets/wifi_topbar.c b/modules/ui_shared/src/ui/assets/wifi_topbar.c
new file mode 100644
index 00000000..2ca9df77
--- /dev/null
+++ b/modules/ui_shared/src/ui/assets/wifi_topbar.c
@@ -0,0 +1,86 @@
+#ifdef __has_include
+    #if __has_include("lvgl.h")
+        #ifndef LV_LVGL_H_INCLUDE_SIMPLE
+            #define LV_LVGL_H_INCLUDE_SIMPLE
+        #endif
+    #endif
+#endif
+
+#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
+    #include "lvgl.h"
+#else
+    #include "lvgl/lvgl.h"
+#endif
+
+
+#ifndef LV_ATTRIBUTE_MEM_ALIGN
+#define LV_ATTRIBUTE_MEM_ALIGN
+#endif
+
+#ifndef LV_ATTRIBUTE_IMAGE_WIFI_TOPBAR
+#define LV_ATTRIBUTE_IMAGE_WIFI_TOPBAR
+#endif
+
+const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST LV_ATTRIBUTE_IMAGE_WIFI_TOPBAR uint8_t wifi_topbar_map[] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x3a, 0x2b, 0x32, 0x4b, 0x32, 0x4b, 0x3a, 0x4b, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0x2e, 0x53, 0x0e, 0x4b, 0x6b, 0x3a, 0x4b, 0x32, 0x6b, 0x3a, 0x4b, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x32, 0x4b, 0x32, 0x4f, 0x5b, 0x9b, 0xd6, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xf7, 0xff, 0xff, 0x9a, 0xce, 0xb0, 0x63, 0x4b, 0x32, 0x4b, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x32, 0x4b, 0x32, 0xb7, 0xad, 0xdf, 0xf7, 0x7e, 0xcf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x5e, 0xc7, 0x9f, 0xe7, 0x15, 0x95, 0x8b, 0x3a, 0x4b, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x32, 0x2b, 0x32, 0x6b, 0x3a, 0x35, 0x9d, 0x9f, 0xe7, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x9f, 0xe7, 0xf5, 0x94, 0x6b, 0x3a, 0x2b, 0x32, 0x4b, 0x3a, 0x4b, 0x32, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x2b, 0x32, 0x4b, 0x32, 0x8c, 0x3a, 0x6b, 0x3a, 0xac, 0x42, 0x90, 0x5b, 0x6f, 0x53, 0x6f, 0x53, 0x6f, 0x53, 0x6f, 0x53, 0x6f, 0x53, 0x2e, 0x4b, 0x8c, 0x3a, 0x8c, 0x42, 0x8c, 0x42, 0x6f, 0x5b, 0xb0, 0x63, 0xed, 0x4a, 0x8c, 0x3a, 0x6b, 0x3a, 0x4b, 0x3a, 0x4b, 0x32, 0x00, 0x00, 
+  0x00, 0x00, 0x4b, 0x32, 0xf9, 0x9d, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x5b, 0xa6, 0x3e, 0xbf, 0x3e, 0xbf, 0x90, 0x5b, 0x5d, 0xef, 0xff, 0xff, 0x5d, 0xef, 0x5d, 0xef, 0xff, 0xff, 0xff, 0xff, 0x9e, 0xf7, 0xff, 0xff, 0x19, 0xbe, 0x6b, 0x3a, 0x4b, 0x32, 
+  0x4b, 0x32, 0x6b, 0x3a, 0x3e, 0xbf, 0xb4, 0x7c, 0x3e, 0xbf, 0x12, 0x6c, 0xf9, 0x9d, 0xf9, 0x9d, 0xf9, 0x9d, 0xd1, 0x63, 0xbc, 0xb6, 0x9b, 0xae, 0x15, 0x9d, 0xff, 0xff, 0x5d, 0xef, 0xed, 0x52, 0x73, 0x84, 0xd8, 0xb5, 0x9a, 0xce, 0x56, 0xa5, 0xff, 0xff, 0xff, 0xff, 0xac, 0x42, 0x2b, 0x32, 
+  0x4b, 0x32, 0x6b, 0x3a, 0x3e, 0xbf, 0xb4, 0x7c, 0xf9, 0x9d, 0xcd, 0x42, 0x12, 0x6c, 0x12, 0x6c, 0x9b, 0xae, 0xb4, 0x7c, 0x3e, 0xbf, 0xf9, 0x9d, 0x15, 0x9d, 0xff, 0xff, 0x9b, 0xd6, 0x93, 0x8c, 0xfc, 0xde, 0xff, 0xff, 0x5d, 0xef, 0xd8, 0xb5, 0xff, 0xff, 0xff, 0xff, 0xed, 0x4a, 0x2b, 0x32, 
+  0x4b, 0x32, 0x6b, 0x3a, 0x3e, 0xbf, 0x9b, 0xae, 0xcd, 0x42, 0x12, 0x6c, 0x12, 0x6c, 0x12, 0x6c, 0x3e, 0xbf, 0x6f, 0x53, 0x3e, 0xbf, 0xf9, 0x9d, 0x15, 0x9d, 0xff, 0xff, 0x19, 0xbe, 0x8f, 0x63, 0xd4, 0x94, 0xfc, 0xde, 0x9b, 0xd6, 0x35, 0x9d, 0xff, 0xff, 0xff, 0xff, 0xed, 0x4a, 0x2b, 0x32, 
+  0x4b, 0x32, 0x6b, 0x3a, 0x3e, 0xbf, 0x3e, 0xbf, 0x6f, 0x53, 0xf9, 0x9d, 0x12, 0x6c, 0xb4, 0x7c, 0x3e, 0xbf, 0x6f, 0x53, 0x3e, 0xbf, 0xf9, 0x9d, 0x15, 0x9d, 0xff, 0xff, 0x9b, 0xd6, 0x35, 0x9d, 0xff, 0xff, 0xff, 0xff, 0x9b, 0xd6, 0x35, 0x9d, 0xff, 0xff, 0xff, 0xff, 0xed, 0x4a, 0x2b, 0x32, 
+  0x4b, 0x3a, 0x4b, 0x32, 0x9b, 0xae, 0x3e, 0xbf, 0xf9, 0x9d, 0x3e, 0xbf, 0x9b, 0xae, 0x3e, 0xbf, 0x3e, 0xbf, 0x9b, 0xae, 0x3e, 0xbf, 0xb4, 0x7c, 0x35, 0x9d, 0xff, 0xff, 0x5d, 0xef, 0x5d, 0xef, 0xff, 0xff, 0xff, 0xff, 0x5d, 0xef, 0x5d, 0xef, 0xff, 0xff, 0xff, 0xff, 0x6b, 0x3a, 0x2b, 0x32, 
+  0x00, 0x00, 0x4b, 0x32, 0xcd, 0x42, 0x12, 0x6c, 0x12, 0x6c, 0x6f, 0x53, 0xb4, 0x7c, 0xb4, 0x7c, 0xb4, 0x7c, 0xb4, 0x7c, 0xed, 0x42, 0x4b, 0x32, 0xb0, 0x63, 0xb0, 0x63, 0xd4, 0x8c, 0x15, 0x9d, 0x15, 0x9d, 0x15, 0x95, 0x52, 0x7c, 0x8f, 0x63, 0x8f, 0x63, 0xac, 0x42, 0x4b, 0x3a, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x2b, 0x32, 0x6b, 0x3a, 0x6b, 0x3a, 0x4b, 0x32, 0x6b, 0x3a, 0x97, 0x8d, 0xf9, 0x9d, 0xf9, 0x9d, 0x15, 0x85, 0x15, 0x85, 0x15, 0x85, 0x15, 0x85, 0x77, 0x8d, 0xf9, 0x9d, 0x15, 0x85, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x32, 0x4b, 0x32, 0xac, 0x42, 0x57, 0x8d, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0x3e, 0xbf, 0xf9, 0x9d, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x3a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4b, 0x32, 0x4b, 0x32, 0x4b, 0x32, 0xcd, 0x42, 0x12, 0x6c, 0x57, 0x8d, 0xb4, 0x7c, 0xb4, 0x7c, 0x4b, 0x32, 0x8b, 0x3a, 0x4b, 0x32, 0x2b, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x76, 0x9d, 0x8c, 0x42, 0x4b, 0x32, 0x6b, 0x3a, 0xac, 0x42, 0x8c, 0x3a, 0x8c, 0x3a, 0x4b, 0x32, 0xcd, 0x42, 0x76, 0x9d, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x5a, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x76, 0x9d, 0xd0, 0x6b, 0x8f, 0x63, 0x4e, 0x53, 0x93, 0x7c, 0xf8, 0xad, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x5a, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5a, 0xbe, 0x5a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x7a, 0xbe, 0x79, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x88, 0x74, 0x40, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xc3, 0xff, 0xff, 0xfd, 0xfb, 0xfd, 0xff, 0xcb, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x58, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd, 0xf4, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x88, 0x88, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf4, 0x60, 0x40, 0x20, 0x00, 0x00, 
+  0x00, 0x88, 0xff, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfa, 0xf9, 0xf7, 0x8f, 0x00, 
+  0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf9, 0x20, 
+  0x58, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x88, 
+  0x58, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfb, 0x88, 
+  0x58, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfb, 0x88, 
+  0x58, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfb, 0x88, 
+  0x40, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfa, 0x60, 
+  0x00, 0xf4, 0xfb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfb, 0xf7, 0xf6, 0xf0, 0x00, 
+  0x00, 0x00, 0x88, 0xd5, 0xda, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xb7, 0xb7, 0x74, 0x20, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x9d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, 0xfd, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x7f, 0x7f, 0xdf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xbf, 0x7f, 0x20, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x20, 0x7f, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0x7f, 0x20, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x60, 0x60, 0x60, 0x7f, 0x7f, 0x7f, 0x60, 0x60, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+};
+
+const lv_image_dsc_t wifi_topbar = {
+    .header.magic = LV_IMAGE_HEADER_MAGIC,
+    .header.cf = LV_COLOR_FORMAT_RGB565A8,
+    .header.flags = 0,
+    .header.w = 24,
+    .header.h = 24,
+    .header.stride = 48,
+    .data_size = sizeof(wifi_topbar_map),
+    .data = wifi_topbar_map,
+  };
+
diff --git a/modules/ui_shared/src/ui/i18n/resource_pack_registry.cpp b/modules/ui_shared/src/ui/i18n/resource_pack_registry.cpp
new file mode 100644
index 00000000..9f406607
--- /dev/null
+++ b/modules/ui_shared/src/ui/i18n/resource_pack_registry.cpp
@@ -0,0 +1,1931 @@
+#include "ui/localization.h"
+
+#include <algorithm>
+#include <cctype>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "platform/ui/settings_store.h"
+#include "ui/assets/fonts/font_utils.h"
+#include "ui/runtime/memory_profile.h"
+#include "ui/support/lvgl_fs_utils.h"
+
+#if __has_include("lv_binfont_loader.h")
+#include "lv_binfont_loader.h"
+#define UI_I18N_HAVE_BINFONT 1
+#elif __has_include("src/font/lv_binfont_loader.h")
+#include "src/font/lv_binfont_loader.h"
+#define UI_I18N_HAVE_BINFONT 1
+#else
+#define UI_I18N_HAVE_BINFONT 0
+#endif
+
+namespace ui::i18n
+{
+namespace
+{
+
+constexpr const char* kLogTag = "[I18N]";
+constexpr const char* kSettingsNamespace = "settings";
+constexpr const char* kDisplayLocaleKey = "display_locale";
+constexpr const char* kLegacyDisplayLanguageKey = "display_language";
+constexpr const char* kDefaultLocaleId = "en";
+constexpr const char* kBuiltinEnglishName = "English";
+constexpr const char* kBuiltinLatinFontPackId = "builtin-latin-ui";
+constexpr const char* kPackRoot = "/trailmate/packs";
+constexpr const char* kFontPackRoot = "/trailmate/packs/fonts";
+constexpr const char* kLocalePackRoot = "/trailmate/packs/locales";
+constexpr const char* kImePackRoot = "/trailmate/packs/ime";
+
+enum class FontPackUsage : uint8_t
+{
+    UiOnly = 0,
+    ContentOnly,
+    Both,
+};
+
+struct CodepointRange
+{
+    uint32_t first = 0;
+    uint32_t last = 0;
+};
+
+struct FontPackRecord
+{
+    std::string id;
+    std::string display_name;
+    FontPackUsage usage = FontPackUsage::Both;
+    bool builtin = false;
+    const lv_font_t* builtin_font = nullptr;
+    lv_font_t* owned_font = nullptr;
+    std::string source_path;
+    std::size_t estimated_ram_bytes = 0;
+    std::vector<CodepointRange> coverage;
+};
+
+struct ImePackRecord
+{
+    std::string id;
+    std::string display_name;
+    std::string backend;
+    bool builtin = false;
+};
+
+struct LocalePackRecord
+{
+    std::string id;
+    std::string display_name;
+    std::string native_name;
+    std::string ui_font_pack_id;
+    std::string content_font_pack_id;
+    std::string ime_pack_id;
+    bool builtin = false;
+    std::vector<std::pair<std::string, std::string>> translations;
+};
+
+struct ManifestEntry
+{
+    std::string key;
+    std::string value;
+};
+
+using Manifest = std::vector<ManifestEntry>;
+
+struct FontChainState
+{
+    std::vector<FontPackRecord*> packs;
+    std::vector<lv_font_t> composed_fonts;
+    const lv_font_t* head = nullptr;
+    std::string desc;
+};
+
+std::vector<FontPackRecord> s_font_packs;
+std::vector<ImePackRecord> s_ime_packs;
+std::vector<LocalePackRecord> s_locale_packs;
+std::vector<LocaleInfo> s_locale_views;
+
+LocalePackRecord* s_active_locale = nullptr;
+FontPackRecord* s_active_ui_font_pack = nullptr;
+FontPackRecord* s_active_content_font_pack = nullptr;
+ImePackRecord* s_active_ime_pack = nullptr;
+
+FontChainState s_ui_font_chain;
+FontChainState s_content_font_chain;
+std::vector<FontPackRecord*> s_content_supplement_packs;
+
+bool s_registry_ready = false;
+
+const char* safe_text(const char* value)
+{
+    return value ? value : "<null>";
+}
+
+const char* usage_name(FontPackUsage usage)
+{
+    switch (usage)
+    {
+    case FontPackUsage::UiOnly:
+        return "ui";
+    case FontPackUsage::ContentOnly:
+        return "content";
+    case FontPackUsage::Both:
+    default:
+        return "both";
+    }
+}
+
+bool external_pack_scan_enabled()
+{
+#if defined(LV_USE_FS_POSIX) && LV_USE_FS_POSIX
+    return true;
+#else
+    return false;
+#endif
+}
+
+void trim_in_place(std::string& value)
+{
+    std::size_t start = 0;
+    while (start < value.size() && std::isspace(static_cast<unsigned char>(value[start])) != 0)
+    {
+        ++start;
+    }
+
+    std::size_t end = value.size();
+    while (end > start && std::isspace(static_cast<unsigned char>(value[end - 1])) != 0)
+    {
+        --end;
+    }
+
+    if (start == 0 && end == value.size())
+    {
+        return;
+    }
+
+    value = value.substr(start, end - start);
+}
+
+std::string trim_copy(std::string value)
+{
+    trim_in_place(value);
+    return value;
+}
+
+std::string lowercase_ascii(std::string value)
+{
+    for (char& ch : value)
+    {
+        ch = static_cast<char>(std::tolower(static_cast<unsigned char>(ch)));
+    }
+    return value;
+}
+
+std::string join_path(const std::string& base, const std::string& child)
+{
+    if (base.empty())
+    {
+        return child;
+    }
+    if (child.empty())
+    {
+        return base;
+    }
+    if (child.size() >= 2 && child[1] == ':')
+    {
+        return child;
+    }
+    if (child.front() == '/')
+    {
+        return child;
+    }
+    if (base.back() == '/')
+    {
+        return base + child;
+    }
+    return base + "/" + child;
+}
+
+std::string normalize_dir_entry(std::string name)
+{
+    while (!name.empty() && (name.front() == '/' || name.front() == '\\'))
+    {
+        name.erase(name.begin());
+    }
+    while (!name.empty() && (name.back() == '/' || name.back() == '\\'))
+    {
+        name.pop_back();
+    }
+    return name;
+}
+
+std::string decode_escapes(const std::string& text)
+{
+    std::string out;
+    out.reserve(text.size());
+
+    for (std::size_t i = 0; i < text.size(); ++i)
+    {
+        const char ch = text[i];
+        if (ch != '\\' || (i + 1U) >= text.size())
+        {
+            out.push_back(ch);
+            continue;
+        }
+
+        const char next = text[++i];
+        switch (next)
+        {
+        case 'n':
+            out.push_back('\n');
+            break;
+        case 't':
+            out.push_back('\t');
+            break;
+        case 'r':
+            out.push_back('\r');
+            break;
+        case '\\':
+            out.push_back('\\');
+            break;
+        default:
+            out.push_back(next);
+            break;
+        }
+    }
+
+    return out;
+}
+
+const char* manifest_value(const Manifest& manifest, const char* key)
+{
+    if (!key)
+    {
+        return nullptr;
+    }
+
+    const std::string wanted = lowercase_ascii(key);
+    for (const auto& entry : manifest)
+    {
+        if (entry.key == wanted)
+        {
+            return entry.value.c_str();
+        }
+    }
+
+    return nullptr;
+}
+
+bool parse_manifest_file(const std::string& path, Manifest& out)
+{
+    out.clear();
+
+    std::string contents;
+    if (!::ui::fs::read_text_file(path.c_str(), contents))
+    {
+        return false;
+    }
+
+    std::size_t line_start = 0;
+    while (line_start <= contents.size())
+    {
+        const std::size_t line_end = contents.find('\n', line_start);
+        std::string line = contents.substr(
+            line_start,
+            line_end == std::string::npos ? std::string::npos : (line_end - line_start));
+        if (!line.empty() && line.back() == '\r')
+        {
+            line.pop_back();
+        }
+        trim_in_place(line);
+
+        if (!line.empty() && line[0] != '#' && line[0] != ';')
+        {
+            const std::size_t sep = line.find('=');
+            if (sep != std::string::npos && sep > 0)
+            {
+                std::string key = lowercase_ascii(trim_copy(line.substr(0, sep)));
+                std::string value = trim_copy(line.substr(sep + 1));
+                if (!key.empty())
+                {
+                    out.push_back({std::move(key), std::move(value)});
+                }
+            }
+        }
+
+        if (line_end == std::string::npos)
+        {
+            break;
+        }
+        line_start = line_end + 1U;
+    }
+
+    return !out.empty();
+}
+
+bool list_directory_entries(const char* path, std::vector<std::string>& out)
+{
+    out.clear();
+    if (!external_pack_scan_enabled())
+    {
+        return false;
+    }
+
+#if defined(LV_USE_FS_POSIX) && LV_USE_FS_POSIX
+    const std::string normalized = ::ui::fs::normalize_path(path);
+    if (normalized.empty())
+    {
+        return false;
+    }
+
+    lv_fs_dir_t dir;
+    if (lv_fs_dir_open(&dir, normalized.c_str()) != LV_FS_RES_OK)
+    {
+        return false;
+    }
+
+    char entry_name[256];
+    while (true)
+    {
+        entry_name[0] = '\0';
+        if (lv_fs_dir_read(&dir, entry_name, sizeof(entry_name)) != LV_FS_RES_OK)
+        {
+            break;
+        }
+        if (entry_name[0] == '\0')
+        {
+            break;
+        }
+
+        std::string normalized_name = normalize_dir_entry(entry_name);
+        if (normalized_name.empty() || normalized_name == "." || normalized_name == "..")
+        {
+            continue;
+        }
+
+        out.push_back(std::move(normalized_name));
+    }
+
+    lv_fs_dir_close(&dir);
+    std::sort(out.begin(), out.end());
+    return true;
+#else
+    (void)path;
+    return false;
+#endif
+}
+
+template <typename TPack>
+TPack* find_pack_by_id(std::vector<TPack>& packs, const char* id)
+{
+    if (!id || id[0] == '\0')
+    {
+        return nullptr;
+    }
+
+    for (auto& pack : packs)
+    {
+        if (pack.id == id)
+        {
+            return &pack;
+        }
+    }
+
+    return nullptr;
+}
+
+template <typename TPack>
+const TPack* find_pack_by_id(const std::vector<TPack>& packs, const char* id)
+{
+    if (!id || id[0] == '\0')
+    {
+        return nullptr;
+    }
+
+    for (const auto& pack : packs)
+    {
+        if (pack.id == id)
+        {
+            return &pack;
+        }
+    }
+
+    return nullptr;
+}
+
+std::size_t parse_size_value(const char* value)
+{
+    if (!value || value[0] == '\0')
+    {
+        return 0;
+    }
+
+    char* end = nullptr;
+    const unsigned long parsed = std::strtoul(value, &end, 10);
+    if (end == value || (end && *end != '\0'))
+    {
+        return 0;
+    }
+
+    return static_cast<std::size_t>(parsed);
+}
+
+bool parse_codepoint_token(const std::string& token, uint32_t& out_codepoint)
+{
+    if (token.empty())
+    {
+        return false;
+    }
+
+    char* end = nullptr;
+    const unsigned long value = std::strtoul(token.c_str(), &end, 0);
+    if (end == token.c_str() || (end && *end != '\0') || value > 0x10FFFFUL)
+    {
+        return false;
+    }
+
+    out_codepoint = static_cast<uint32_t>(value);
+    return true;
+}
+
+void normalize_ranges(std::vector<CodepointRange>& ranges)
+{
+    if (ranges.empty())
+    {
+        return;
+    }
+
+    std::sort(ranges.begin(), ranges.end(),
+              [](const CodepointRange& lhs, const CodepointRange& rhs)
+              {
+                  if (lhs.first != rhs.first)
+                  {
+                      return lhs.first < rhs.first;
+                  }
+                  return lhs.last < rhs.last;
+              });
+
+    std::vector<CodepointRange> merged;
+    merged.reserve(ranges.size());
+    for (const CodepointRange& range : ranges)
+    {
+        if (merged.empty() || range.first > (merged.back().last + 1U))
+        {
+            merged.push_back(range);
+            continue;
+        }
+
+        if (range.last > merged.back().last)
+        {
+            merged.back().last = range.last;
+        }
+    }
+
+    ranges.swap(merged);
+}
+
+bool parse_ranges_file(const std::string& path, std::vector<CodepointRange>& out)
+{
+    out.clear();
+
+    std::string contents;
+    if (!::ui::fs::read_text_file(path.c_str(), contents))
+    {
+        return false;
+    }
+
+    std::size_t token_start = 0;
+    while (token_start <= contents.size())
+    {
+        const std::size_t token_end = contents.find_first_of(",\r\n", token_start);
+        std::string token = contents.substr(
+            token_start,
+            token_end == std::string::npos ? std::string::npos : (token_end - token_start));
+        trim_in_place(token);
+        if (!token.empty())
+        {
+            const std::size_t dash = token.find('-');
+            uint32_t first = 0;
+            uint32_t last = 0;
+            if (dash == std::string::npos)
+            {
+                if (parse_codepoint_token(token, first))
+                {
+                    last = first;
+                    CodepointRange range;
+                    range.first = first;
+                    range.last = last;
+                    out.push_back(range);
+                }
+            }
+            else
+            {
+                const std::string lhs = trim_copy(token.substr(0, dash));
+                const std::string rhs = trim_copy(token.substr(dash + 1));
+                if (parse_codepoint_token(lhs, first) && parse_codepoint_token(rhs, last) &&
+                    first <= last)
+                {
+                    CodepointRange range;
+                    range.first = first;
+                    range.last = last;
+                    out.push_back(range);
+                }
+            }
+        }
+
+        if (token_end == std::string::npos)
+        {
+            break;
+        }
+        token_start = token_end + 1U;
+    }
+
+    normalize_ranges(out);
+    return !out.empty();
+}
+
+FontPackUsage parse_font_usage(const char* value)
+{
+    const std::string normalized = lowercase_ascii(value ? value : "");
+    if (normalized == "ui")
+    {
+        return FontPackUsage::UiOnly;
+    }
+    if (normalized == "content")
+    {
+        return FontPackUsage::ContentOnly;
+    }
+    return FontPackUsage::Both;
+}
+
+bool font_pack_supports_ui(const FontPackRecord& pack)
+{
+    return pack.usage == FontPackUsage::UiOnly || pack.usage == FontPackUsage::Both;
+}
+
+bool font_pack_supports_content(const FontPackRecord& pack)
+{
+    return pack.usage == FontPackUsage::ContentOnly || pack.usage == FontPackUsage::Both;
+}
+
+std::size_t estimated_pack_ram_bytes(const FontPackRecord* pack)
+{
+    if (!pack || pack->builtin)
+    {
+        return 0;
+    }
+
+    return pack->estimated_ram_bytes;
+}
+
+std::size_t active_locale_font_ram_bytes(const FontPackRecord* ui_pack, const FontPackRecord* content_pack)
+{
+    std::size_t total = 0;
+    total += estimated_pack_ram_bytes(ui_pack);
+    if (content_pack != ui_pack)
+    {
+        total += estimated_pack_ram_bytes(content_pack);
+    }
+    return total;
+}
+
+bool locale_font_budget_allows(const FontPackRecord* ui_pack, const FontPackRecord* content_pack)
+{
+    const std::size_t total = active_locale_font_ram_bytes(ui_pack, content_pack);
+    if (total == 0)
+    {
+        return true;
+    }
+
+    return total <= ::ui::runtime::current_memory_profile().max_locale_font_ram_bytes;
+}
+
+const lv_font_t* resolved_font(const FontPackRecord* pack)
+{
+    if (!pack)
+    {
+        return nullptr;
+    }
+
+    return pack->builtin ? pack->builtin_font : pack->owned_font;
+}
+
+bool is_font_runtime_loaded(const FontPackRecord& pack)
+{
+    return resolved_font(&pack) != nullptr;
+}
+
+bool font_pack_covers_codepoint(const FontPackRecord& pack, uint32_t codepoint)
+{
+    if (pack.coverage.empty())
+    {
+        return false;
+    }
+
+    std::size_t left = 0;
+    std::size_t right = pack.coverage.size();
+    while (left < right)
+    {
+        const std::size_t mid = left + ((right - left) / 2U);
+        const CodepointRange& range = pack.coverage[mid];
+        if (codepoint < range.first)
+        {
+            right = mid;
+        }
+        else if (codepoint > range.last)
+        {
+            left = mid + 1U;
+        }
+        else
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool decode_next_utf8(const unsigned char*& ptr, uint32_t& out_codepoint)
+{
+    if (!ptr || *ptr == 0)
+    {
+        return false;
+    }
+
+    const unsigned char lead = *ptr++;
+    if ((lead & 0x80U) == 0)
+    {
+        out_codepoint = lead;
+        return true;
+    }
+
+    int extra_bytes = 0;
+    uint32_t codepoint = 0;
+    if ((lead & 0xE0U) == 0xC0U)
+    {
+        extra_bytes = 1;
+        codepoint = static_cast<uint32_t>(lead & 0x1FU);
+    }
+    else if ((lead & 0xF0U) == 0xE0U)
+    {
+        extra_bytes = 2;
+        codepoint = static_cast<uint32_t>(lead & 0x0FU);
+    }
+    else if ((lead & 0xF8U) == 0xF0U)
+    {
+        extra_bytes = 3;
+        codepoint = static_cast<uint32_t>(lead & 0x07U);
+    }
+    else
+    {
+        out_codepoint = 0xFFFD;
+        return true;
+    }
+
+    for (int i = 0; i < extra_bytes; ++i)
+    {
+        const unsigned char next = *ptr;
+        if ((next & 0xC0U) != 0x80U)
+        {
+            out_codepoint = 0xFFFD;
+            return true;
+        }
+        ++ptr;
+        codepoint = (codepoint << 6U) | static_cast<uint32_t>(next & 0x3FU);
+    }
+
+    out_codepoint = codepoint;
+    return true;
+}
+
+void collect_non_ascii_codepoints(const char* text, std::vector<uint32_t>& out)
+{
+    out.clear();
+    if (!text || text[0] == '\0')
+    {
+        return;
+    }
+
+    const unsigned char* ptr = reinterpret_cast<const unsigned char*>(text);
+    while (*ptr != 0)
+    {
+        uint32_t codepoint = 0;
+        if (!decode_next_utf8(ptr, codepoint))
+        {
+            break;
+        }
+        if (codepoint >= 0x80U)
+        {
+            out.push_back(codepoint);
+        }
+    }
+
+    if (out.empty())
+    {
+        return;
+    }
+
+    std::sort(out.begin(), out.end());
+    out.erase(std::unique(out.begin(), out.end()), out.end());
+}
+
+std::size_t coverage_hit_count(const FontPackRecord& pack, const std::vector<uint32_t>& missing)
+{
+    std::size_t hits = 0;
+    for (uint32_t codepoint : missing)
+    {
+        if (font_pack_covers_codepoint(pack, codepoint))
+        {
+            ++hits;
+        }
+    }
+    return hits;
+}
+
+void append_unique_pack(std::vector<FontPackRecord*>& packs, FontPackRecord* pack)
+{
+    if (!pack)
+    {
+        return;
+    }
+
+    for (FontPackRecord* existing : packs)
+    {
+        if (existing == pack)
+        {
+            return;
+        }
+    }
+
+    packs.push_back(pack);
+}
+
+void reset_font_chain(FontChainState& chain)
+{
+    chain.packs.clear();
+    chain.composed_fonts.clear();
+    chain.head = nullptr;
+    chain.desc.clear();
+}
+
+void rebuild_font_chain(FontChainState& chain, const std::vector<FontPackRecord*>& requested_packs)
+{
+    reset_font_chain(chain);
+
+    std::vector<FontPackRecord*> usable_packs;
+    usable_packs.reserve(requested_packs.size());
+    for (FontPackRecord* pack : requested_packs)
+    {
+        if (!pack || resolved_font(pack) == nullptr)
+        {
+            continue;
+        }
+
+        bool duplicate = false;
+        for (FontPackRecord* existing : usable_packs)
+        {
+            if (existing == pack)
+            {
+                duplicate = true;
+                break;
+            }
+        }
+        if (!duplicate)
+        {
+            usable_packs.push_back(pack);
+        }
+    }
+
+    chain.packs = usable_packs;
+    chain.composed_fonts.resize(usable_packs.size());
+
+    const lv_font_t* next_fallback = nullptr;
+    for (std::size_t index = usable_packs.size(); index > 0; --index)
+    {
+        FontPackRecord* pack = usable_packs[index - 1U];
+        chain.composed_fonts[index - 1U] = *resolved_font(pack);
+        chain.composed_fonts[index - 1U].fallback = next_fallback;
+        next_fallback = &chain.composed_fonts[index - 1U];
+    }
+
+    chain.head = next_fallback;
+    for (std::size_t index = 0; index < usable_packs.size(); ++index)
+    {
+        if (!chain.desc.empty())
+        {
+            chain.desc += ",";
+        }
+        chain.desc += usable_packs[index]->id;
+    }
+}
+
+void unload_external_font_pack(FontPackRecord& pack)
+{
+#if UI_I18N_HAVE_BINFONT
+    if (pack.owned_font != nullptr)
+    {
+        std::printf("%s font unload id=%s\n", kLogTag, pack.id.c_str());
+        lv_binfont_destroy(pack.owned_font);
+        pack.owned_font = nullptr;
+    }
+#else
+    pack.owned_font = nullptr;
+#endif
+}
+
+void release_runtime_fonts()
+{
+    for (auto& pack : s_font_packs)
+    {
+        if (!pack.builtin)
+        {
+            unload_external_font_pack(pack);
+        }
+    }
+
+    s_content_supplement_packs.clear();
+    reset_font_chain(s_ui_font_chain);
+    reset_font_chain(s_content_font_chain);
+}
+
+bool load_font_pack(FontPackRecord& pack)
+{
+    if (pack.builtin)
+    {
+        return true;
+    }
+    if (pack.owned_font != nullptr)
+    {
+        return true;
+    }
+    if (pack.source_path.empty())
+    {
+        return false;
+    }
+
+#if UI_I18N_HAVE_BINFONT
+    pack.owned_font = lv_binfont_create(pack.source_path.c_str());
+    if (pack.owned_font == nullptr)
+    {
+        std::printf("%s font load failed id=%s source=%s\n",
+                    kLogTag,
+                    pack.id.c_str(),
+                    pack.source_path.c_str());
+        return false;
+    }
+
+    std::printf("%s font load id=%s source=%s ram=%lu\n",
+                kLogTag,
+                pack.id.c_str(),
+                pack.source_path.c_str(),
+                static_cast<unsigned long>(pack.estimated_ram_bytes));
+    return true;
+#else
+    std::printf("%s font load skipped id=%s reason=binfont_unavailable\n",
+                kLogTag,
+                pack.id.c_str());
+    return false;
+#endif
+}
+
+bool ensure_font_pack_loaded(FontPackRecord* pack)
+{
+    if (!pack)
+    {
+        return false;
+    }
+    if (pack->builtin)
+    {
+        return true;
+    }
+    return load_font_pack(*pack);
+}
+
+std::vector<FontPackRecord*> current_content_pack_sequence()
+{
+    std::vector<FontPackRecord*> packs;
+    packs.reserve(2U + s_content_supplement_packs.size());
+    append_unique_pack(packs, s_active_content_font_pack);
+    append_unique_pack(packs, s_active_ui_font_pack);
+    for (FontPackRecord* pack : s_content_supplement_packs)
+    {
+        append_unique_pack(packs, pack);
+    }
+    return packs;
+}
+
+void rebuild_runtime_font_chains()
+{
+    std::vector<FontPackRecord*> ui_packs;
+    append_unique_pack(ui_packs, s_active_ui_font_pack);
+    rebuild_font_chain(s_ui_font_chain, ui_packs);
+    rebuild_font_chain(s_content_font_chain, current_content_pack_sequence());
+    ::ui::fonts::refresh_locale_font_bindings();
+}
+
+bool ensure_active_content_pack_loaded()
+{
+    bool changed = false;
+
+    if (s_active_content_font_pack && !is_font_runtime_loaded(*s_active_content_font_pack))
+    {
+        if (ensure_font_pack_loaded(s_active_content_font_pack))
+        {
+            changed = true;
+        }
+    }
+
+    if (s_active_ui_font_pack && !is_font_runtime_loaded(*s_active_ui_font_pack))
+    {
+        if (ensure_font_pack_loaded(s_active_ui_font_pack))
+        {
+            changed = true;
+        }
+    }
+
+    if (changed)
+    {
+        rebuild_runtime_font_chains();
+    }
+
+    return true;
+}
+
+bool codepoint_covered_by_loaded_packs(const std::vector<FontPackRecord*>& packs, uint32_t codepoint)
+{
+    if (codepoint < 0x80U)
+    {
+        return true;
+    }
+
+    for (FontPackRecord* pack : packs)
+    {
+        if (!pack || !is_font_runtime_loaded(*pack))
+        {
+            continue;
+        }
+        if (font_pack_covers_codepoint(*pack, codepoint))
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+std::vector<uint32_t> missing_content_codepoints(const char* text)
+{
+    std::vector<uint32_t> codepoints;
+    collect_non_ascii_codepoints(text, codepoints);
+    if (codepoints.empty())
+    {
+        return {};
+    }
+
+    const std::vector<FontPackRecord*> packs = current_content_pack_sequence();
+    std::vector<uint32_t> missing;
+    missing.reserve(codepoints.size());
+    for (uint32_t codepoint : codepoints)
+    {
+        if (!codepoint_covered_by_loaded_packs(packs, codepoint))
+        {
+            missing.push_back(codepoint);
+        }
+    }
+    return missing;
+}
+
+std::size_t content_supplement_ram_bytes()
+{
+    std::size_t total = 0;
+    for (const FontPackRecord* pack : s_content_supplement_packs)
+    {
+        if (pack)
+        {
+            total += pack->estimated_ram_bytes;
+        }
+    }
+    return total;
+}
+
+bool can_add_content_supplement(const FontPackRecord& pack)
+{
+    const auto& profile = ::ui::runtime::current_memory_profile();
+    if (profile.max_content_supplement_packs == 0 || profile.max_content_supplement_ram_bytes == 0)
+    {
+        return false;
+    }
+
+    for (const FontPackRecord* existing : s_content_supplement_packs)
+    {
+        if (existing == &pack)
+        {
+            return true;
+        }
+    }
+
+    if (s_content_supplement_packs.size() >= profile.max_content_supplement_packs)
+    {
+        return false;
+    }
+
+    if (pack.estimated_ram_bytes == 0)
+    {
+        return true;
+    }
+
+    return (content_supplement_ram_bytes() + pack.estimated_ram_bytes) <=
+           profile.max_content_supplement_ram_bytes;
+}
+
+FontPackRecord* choose_content_supplement(const std::vector<uint32_t>& missing)
+{
+    FontPackRecord* best = nullptr;
+    std::size_t best_hits = 0;
+    std::size_t best_bytes = 0;
+
+    for (auto& pack : s_font_packs)
+    {
+        if (&pack == s_active_content_font_pack || &pack == s_active_ui_font_pack)
+        {
+            continue;
+        }
+        if (!font_pack_supports_content(pack))
+        {
+            continue;
+        }
+        if (pack.coverage.empty())
+        {
+            continue;
+        }
+        if (!can_add_content_supplement(pack))
+        {
+            continue;
+        }
+
+        const std::size_t hits = coverage_hit_count(pack, missing);
+        if (hits == 0)
+        {
+            continue;
+        }
+
+        const std::size_t bytes = pack.estimated_ram_bytes;
+        if (best == nullptr || hits > best_hits || (hits == best_hits && bytes < best_bytes))
+        {
+            best = &pack;
+            best_hits = hits;
+            best_bytes = bytes;
+        }
+    }
+
+    return best;
+}
+
+void rebuild_locale_views()
+{
+    s_locale_views.clear();
+    s_locale_views.reserve(s_locale_packs.size());
+
+    for (const auto& pack : s_locale_packs)
+    {
+        LocaleInfo view{};
+        view.id = pack.id.c_str();
+        view.display_name = pack.display_name.c_str();
+        view.native_name = pack.native_name.empty() ? pack.display_name.c_str() : pack.native_name.c_str();
+        view.ui_font_pack_id = pack.ui_font_pack_id.c_str();
+        view.content_font_pack_id = pack.content_font_pack_id.c_str();
+        view.ime_pack_id = pack.ime_pack_id.empty() ? nullptr : pack.ime_pack_id.c_str();
+        view.builtin = pack.builtin;
+        s_locale_views.push_back(view);
+    }
+}
+
+void add_builtin_font_packs()
+{
+    FontPackRecord latin_pack{};
+    latin_pack.id = kBuiltinLatinFontPackId;
+    latin_pack.display_name = "Latin UI";
+    latin_pack.usage = FontPackUsage::Both;
+    latin_pack.builtin = true;
+    latin_pack.builtin_font = nullptr;
+    latin_pack.estimated_ram_bytes = 0;
+    s_font_packs.push_back(std::move(latin_pack));
+}
+
+void add_builtin_locale_packs()
+{
+    LocalePackRecord english_pack{};
+    english_pack.id = kDefaultLocaleId;
+    english_pack.display_name = kBuiltinEnglishName;
+    english_pack.native_name = kBuiltinEnglishName;
+    english_pack.ui_font_pack_id = kBuiltinLatinFontPackId;
+    english_pack.content_font_pack_id = kBuiltinLatinFontPackId;
+    english_pack.builtin = true;
+    s_locale_packs.push_back(std::move(english_pack));
+}
+
+std::string resolve_pack_file_path(const std::string& pack_dir, const char* path_value)
+{
+    if (!path_value || path_value[0] == '\0')
+    {
+        return {};
+    }
+
+    return join_path(pack_dir, path_value);
+}
+
+bool catalog_external_font_pack(const std::string& pack_dir)
+{
+    const std::string manifest_path = join_path(pack_dir, "manifest.ini");
+    Manifest manifest;
+    if (!parse_manifest_file(manifest_path, manifest))
+    {
+        return false;
+    }
+
+    const char* kind = manifest_value(manifest, "kind");
+    if (!kind || std::strcmp(kind, "font") != 0)
+    {
+        return false;
+    }
+
+    const char* id = manifest_value(manifest, "id");
+    if (!id || id[0] == '\0' || find_pack_by_id(s_font_packs, id) != nullptr)
+    {
+        return false;
+    }
+
+    FontPackRecord pack{};
+    pack.id = id;
+    if (const char* display_name = manifest_value(manifest, "display_name"))
+    {
+        pack.display_name = display_name;
+    }
+    if (pack.display_name.empty())
+    {
+        pack.display_name = pack.id;
+    }
+    pack.usage = parse_font_usage(manifest_value(manifest, "usage"));
+    pack.estimated_ram_bytes = parse_size_value(manifest_value(manifest, "estimated_ram_bytes"));
+
+    const char* source = manifest_value(manifest, "source");
+    const std::string source_kind = lowercase_ascii(source ? source : "binfont");
+    if (source_kind == "builtin")
+    {
+        const char* builtin_id = manifest_value(manifest, "builtin_id");
+        const FontPackRecord* builtin_pack = find_pack_by_id(s_font_packs, builtin_id);
+        if (!builtin_pack)
+        {
+            std::printf("%s skip font pack id=%s reason=missing_builtin builtin_id=%s\n",
+                        kLogTag,
+                        pack.id.c_str(),
+                        safe_text(builtin_id));
+            return false;
+        }
+
+        pack.builtin = true;
+        pack.builtin_font = builtin_pack->builtin_font;
+        pack.source_path = builtin_pack->id;
+    }
+    else
+    {
+        const char* file_value = manifest_value(manifest, "file");
+        const std::string font_path = resolve_pack_file_path(pack_dir, file_value);
+        if (font_path.empty())
+        {
+            std::printf("%s skip font pack id=%s reason=missing_file\n", kLogTag, pack.id.c_str());
+            return false;
+        }
+        pack.source_path = ::ui::fs::normalize_path(font_path.c_str());
+    }
+
+    std::string ranges_path;
+    if (const char* ranges_value = manifest_value(manifest, "ranges"))
+    {
+        ranges_path = resolve_pack_file_path(pack_dir, ranges_value);
+    }
+    else
+    {
+        const std::string fallback_ranges_path = join_path(pack_dir, "ranges.txt");
+        if (::ui::fs::file_exists(fallback_ranges_path.c_str()))
+        {
+            ranges_path = fallback_ranges_path;
+        }
+    }
+
+    if (!ranges_path.empty())
+    {
+        (void)parse_ranges_file(ranges_path, pack.coverage);
+    }
+
+    std::printf("%s font pack catalog id=%s builtin=%d usage=%s ram=%lu source=%s\n",
+                kLogTag,
+                pack.id.c_str(),
+                pack.builtin ? 1 : 0,
+                usage_name(pack.usage),
+                static_cast<unsigned long>(pack.estimated_ram_bytes),
+                pack.source_path.empty() ? "<none>" : pack.source_path.c_str());
+    s_font_packs.push_back(std::move(pack));
+    return true;
+}
+
+bool catalog_external_ime_pack(const std::string& pack_dir)
+{
+    const std::string manifest_path = join_path(pack_dir, "manifest.ini");
+    Manifest manifest;
+    if (!parse_manifest_file(manifest_path, manifest))
+    {
+        return false;
+    }
+
+    const char* kind = manifest_value(manifest, "kind");
+    if (!kind || std::strcmp(kind, "ime") != 0)
+    {
+        return false;
+    }
+
+    const char* id = manifest_value(manifest, "id");
+    if (!id || id[0] == '\0' || find_pack_by_id(s_ime_packs, id) != nullptr)
+    {
+        return false;
+    }
+
+    ImePackRecord pack{};
+    pack.id = id;
+    if (const char* display_name = manifest_value(manifest, "display_name"))
+    {
+        pack.display_name = display_name;
+    }
+    if (pack.display_name.empty())
+    {
+        pack.display_name = pack.id;
+    }
+    if (const char* backend = manifest_value(manifest, "backend"))
+    {
+        pack.backend = backend;
+    }
+    if (pack.backend.empty())
+    {
+        pack.backend = "none";
+    }
+
+    std::printf("%s ime pack catalog id=%s backend=%s\n",
+                kLogTag,
+                pack.id.c_str(),
+                pack.backend.c_str());
+    s_ime_packs.push_back(std::move(pack));
+    return true;
+}
+
+bool parse_locale_strings(const std::string& path,
+                          std::vector<std::pair<std::string, std::string>>& out)
+{
+    out.clear();
+
+    std::string contents;
+    if (!::ui::fs::read_text_file(path.c_str(), contents))
+    {
+        return false;
+    }
+
+    std::size_t line_start = 0;
+    while (line_start <= contents.size())
+    {
+        const std::size_t line_end = contents.find('\n', line_start);
+        std::string line = contents.substr(
+            line_start,
+            line_end == std::string::npos ? std::string::npos : (line_end - line_start));
+        if (!line.empty() && line.back() == '\r')
+        {
+            line.pop_back();
+        }
+
+        if (!line.empty() && line[0] != '#')
+        {
+            const std::size_t sep = line.find('\t');
+            if (sep != std::string::npos && sep > 0 && sep + 1U < line.size())
+            {
+                std::string english = decode_escapes(line.substr(0, sep));
+                std::string localized = decode_escapes(line.substr(sep + 1U));
+                if (!english.empty())
+                {
+                    out.emplace_back(std::move(english), std::move(localized));
+                }
+            }
+        }
+
+        if (line_end == std::string::npos)
+        {
+            break;
+        }
+        line_start = line_end + 1U;
+    }
+
+    return !out.empty();
+}
+
+bool catalog_external_locale_pack(const std::string& pack_dir)
+{
+    const std::string manifest_path = join_path(pack_dir, "manifest.ini");
+    Manifest manifest;
+    if (!parse_manifest_file(manifest_path, manifest))
+    {
+        return false;
+    }
+
+    const char* kind = manifest_value(manifest, "kind");
+    if (!kind || std::strcmp(kind, "locale") != 0)
+    {
+        return false;
+    }
+
+    const char* id = manifest_value(manifest, "id");
+    if (!id || id[0] == '\0' || find_pack_by_id(s_locale_packs, id) != nullptr)
+    {
+        return false;
+    }
+
+    LocalePackRecord pack{};
+    pack.id = id;
+    if (const char* display_name = manifest_value(manifest, "display_name"))
+    {
+        pack.display_name = display_name;
+    }
+    if (pack.display_name.empty())
+    {
+        pack.display_name = pack.id;
+    }
+    if (const char* native_name = manifest_value(manifest, "native_name"))
+    {
+        pack.native_name = native_name;
+    }
+    if (pack.native_name.empty())
+    {
+        pack.native_name = pack.display_name;
+    }
+
+    if (const char* ui_font_pack = manifest_value(manifest, "ui_font_pack"))
+    {
+        pack.ui_font_pack_id = ui_font_pack;
+    }
+    if (const char* content_font_pack = manifest_value(manifest, "content_font_pack"))
+    {
+        pack.content_font_pack_id = content_font_pack;
+    }
+    if (pack.content_font_pack_id.empty())
+    {
+        pack.content_font_pack_id = pack.ui_font_pack_id;
+    }
+    if (pack.ui_font_pack_id.empty())
+    {
+        pack.ui_font_pack_id = kBuiltinLatinFontPackId;
+    }
+    if (pack.content_font_pack_id.empty())
+    {
+        pack.content_font_pack_id = pack.ui_font_pack_id;
+    }
+
+    if (const char* ime_pack = manifest_value(manifest, "ime_pack"))
+    {
+        pack.ime_pack_id = ime_pack;
+    }
+
+    const char* strings_value = manifest_value(manifest, "strings");
+    const std::string strings_path = resolve_pack_file_path(pack_dir, strings_value);
+    if (strings_path.empty() || !parse_locale_strings(strings_path, pack.translations))
+    {
+        std::printf("%s skip locale pack id=%s reason=missing_strings path=%s\n",
+                    kLogTag,
+                    pack.id.c_str(),
+                    strings_path.empty() ? "<none>" : strings_path.c_str());
+        return false;
+    }
+
+    std::printf("%s locale pack catalog id=%s ui_font=%s content_font=%s ime=%s strings=%lu\n",
+                kLogTag,
+                pack.id.c_str(),
+                pack.ui_font_pack_id.c_str(),
+                pack.content_font_pack_id.c_str(),
+                pack.ime_pack_id.empty() ? "<none>" : pack.ime_pack_id.c_str(),
+                static_cast<unsigned long>(pack.translations.size()));
+    s_locale_packs.push_back(std::move(pack));
+    return true;
+}
+
+void scan_pack_group(const char* root_path, bool (*loader)(const std::string&))
+{
+    std::vector<std::string> entries;
+    if (!list_directory_entries(root_path, entries))
+    {
+        return;
+    }
+
+    for (const auto& entry : entries)
+    {
+        const std::string pack_dir = join_path(root_path, entry);
+        if (!::ui::fs::dir_exists(pack_dir.c_str()))
+        {
+            continue;
+        }
+        (void)loader(pack_dir);
+    }
+}
+
+void catalog_external_packs()
+{
+    if (!external_pack_scan_enabled() || !::ui::fs::dir_exists(kPackRoot))
+    {
+        return;
+    }
+
+    scan_pack_group(kFontPackRoot, catalog_external_font_pack);
+    scan_pack_group(kImePackRoot, catalog_external_ime_pack);
+    scan_pack_group(kLocalePackRoot, catalog_external_locale_pack);
+}
+
+bool locale_dependencies_resolved(const LocalePackRecord& locale)
+{
+    const FontPackRecord* ui_pack = find_pack_by_id(s_font_packs, locale.ui_font_pack_id.c_str());
+    const FontPackRecord* content_pack =
+        find_pack_by_id(s_font_packs, locale.content_font_pack_id.c_str());
+
+    if (ui_pack == nullptr)
+    {
+        std::printf("%s skip locale id=%s reason=missing_ui_font_pack font=%s\n",
+                    kLogTag,
+                    locale.id.c_str(),
+                    locale.ui_font_pack_id.c_str());
+        return false;
+    }
+    if (content_pack == nullptr)
+    {
+        std::printf("%s skip locale id=%s reason=missing_content_font_pack font=%s\n",
+                    kLogTag,
+                    locale.id.c_str(),
+                    locale.content_font_pack_id.c_str());
+        return false;
+    }
+    if (!font_pack_supports_ui(*ui_pack))
+    {
+        std::printf("%s skip locale id=%s reason=ui_font_usage font=%s usage=%s\n",
+                    kLogTag,
+                    locale.id.c_str(),
+                    ui_pack->id.c_str(),
+                    usage_name(ui_pack->usage));
+        return false;
+    }
+    if (!font_pack_supports_content(*content_pack))
+    {
+        std::printf("%s skip locale id=%s reason=content_font_usage font=%s usage=%s\n",
+                    kLogTag,
+                    locale.id.c_str(),
+                    content_pack->id.c_str(),
+                    usage_name(content_pack->usage));
+        return false;
+    }
+    const std::size_t locale_font_ram = active_locale_font_ram_bytes(ui_pack, content_pack);
+    if (!locale_font_budget_allows(ui_pack, content_pack))
+    {
+        std::printf(
+            "%s skip locale id=%s reason=memory_profile profile=%s ui_font=%s content_font=%s locale_font_ram=%lu budget=%lu\n",
+            kLogTag,
+            locale.id.c_str(),
+            ::ui::runtime::current_memory_profile().name,
+            ui_pack->id.c_str(),
+            content_pack->id.c_str(),
+            static_cast<unsigned long>(locale_font_ram),
+            static_cast<unsigned long>(
+                ::ui::runtime::current_memory_profile().max_locale_font_ram_bytes));
+        return false;
+    }
+    if (!locale.ime_pack_id.empty() &&
+        find_pack_by_id(s_ime_packs, locale.ime_pack_id.c_str()) == nullptr)
+    {
+        std::printf("%s skip locale id=%s reason=missing_ime_pack ime=%s\n",
+                    kLogTag,
+                    locale.id.c_str(),
+                    locale.ime_pack_id.c_str());
+        return false;
+    }
+
+    return true;
+}
+
+void prune_unresolved_locales()
+{
+    s_locale_packs.erase(
+        std::remove_if(
+            s_locale_packs.begin(),
+            s_locale_packs.end(),
+            [](const LocalePackRecord& locale)
+            {
+                return !locale_dependencies_resolved(locale);
+            }),
+        s_locale_packs.end());
+}
+
+void remove_legacy_locale_key()
+{
+    const char* keys[] = {kLegacyDisplayLanguageKey};
+    ::platform::ui::settings_store::remove_keys(
+        kSettingsNamespace, keys, sizeof(keys) / sizeof(keys[0]));
+}
+
+std::string migrate_legacy_locale_if_needed()
+{
+    std::string locale_id;
+    if (::platform::ui::settings_store::get_string(kSettingsNamespace, kDisplayLocaleKey, locale_id) &&
+        !locale_id.empty())
+    {
+        return locale_id;
+    }
+
+    const int legacy_value =
+        ::platform::ui::settings_store::get_int(kSettingsNamespace, kLegacyDisplayLanguageKey, -1);
+    if (legacy_value < 0)
+    {
+        return {};
+    }
+
+    locale_id = legacy_value == 1 ? "zh-Hans" : kDefaultLocaleId;
+    (void)::platform::ui::settings_store::put_string(
+        kSettingsNamespace, kDisplayLocaleKey, locale_id.c_str());
+    remove_legacy_locale_key();
+
+    std::printf("%s migrate legacy display_language=%d -> display_locale=%s\n",
+                kLogTag,
+                legacy_value,
+                locale_id.c_str());
+    return locale_id;
+}
+
+LocalePackRecord* resolve_active_locale(const std::string& preferred_id)
+{
+    if (!preferred_id.empty())
+    {
+        if (LocalePackRecord* preferred = find_pack_by_id(s_locale_packs, preferred_id.c_str()))
+        {
+            return preferred;
+        }
+    }
+
+    if (LocalePackRecord* english = find_pack_by_id(s_locale_packs, kDefaultLocaleId))
+    {
+        return english;
+    }
+
+    return s_locale_packs.empty() ? nullptr : &s_locale_packs.front();
+}
+
+void clear_registry()
+{
+    ::ui::fonts::clear_locale_font_bindings();
+    release_runtime_fonts();
+
+    s_font_packs.clear();
+    s_ime_packs.clear();
+    s_locale_packs.clear();
+    s_locale_views.clear();
+
+    s_active_locale = nullptr;
+    s_active_ui_font_pack = nullptr;
+    s_active_content_font_pack = nullptr;
+    s_active_ime_pack = nullptr;
+
+    s_registry_ready = false;
+}
+
+bool activate_locale(LocalePackRecord* locale)
+{
+    release_runtime_fonts();
+
+    s_active_locale = locale;
+    s_active_ui_font_pack = locale ? find_pack_by_id(s_font_packs, locale->ui_font_pack_id.c_str()) : nullptr;
+    s_active_content_font_pack =
+        locale ? find_pack_by_id(s_font_packs, locale->content_font_pack_id.c_str()) : nullptr;
+    s_active_ime_pack = (locale && !locale->ime_pack_id.empty())
+                            ? find_pack_by_id(s_ime_packs, locale->ime_pack_id.c_str())
+                            : nullptr;
+
+    if (s_active_ui_font_pack != nullptr && !ensure_font_pack_loaded(s_active_ui_font_pack))
+    {
+        if (locale != nullptr && locale->id != kDefaultLocaleId)
+        {
+            LocalePackRecord* fallback = resolve_active_locale(kDefaultLocaleId);
+            if (fallback && fallback != locale)
+            {
+                return activate_locale(fallback);
+            }
+        }
+    }
+
+    rebuild_runtime_font_chains();
+
+    std::printf("%s active locale=%s ui_font=%s content_font=%s ime=%s ui_chain=%s content_chain=%s\n",
+                kLogTag,
+                s_active_locale ? s_active_locale->id.c_str() : "<none>",
+                s_active_ui_font_pack ? s_active_ui_font_pack->id.c_str() : "<none>",
+                s_active_content_font_pack ? s_active_content_font_pack->id.c_str() : "<none>",
+                s_active_ime_pack ? s_active_ime_pack->id.c_str() : "<none>",
+                s_ui_font_chain.desc.empty() ? "<none>" : s_ui_font_chain.desc.c_str(),
+                s_content_font_chain.desc.empty() ? "<none>" : s_content_font_chain.desc.c_str());
+    return true;
+}
+
+void rebuild_registry()
+{
+    clear_registry();
+    add_builtin_font_packs();
+    add_builtin_locale_packs();
+    catalog_external_packs();
+    prune_unresolved_locales();
+    rebuild_locale_views();
+    s_registry_ready = true;
+
+    const std::string preferred_locale = migrate_legacy_locale_if_needed();
+    (void)activate_locale(resolve_active_locale(preferred_locale));
+}
+
+void ensure_registry()
+{
+    if (!s_registry_ready)
+    {
+        rebuild_registry();
+    }
+}
+
+const char* lookup_translation(const LocalePackRecord& locale, const char* english)
+{
+    if (!english || english[0] == '\0')
+    {
+        return "";
+    }
+
+    for (const auto& entry : locale.translations)
+    {
+        if (entry.first == english)
+        {
+            return entry.second.c_str();
+        }
+    }
+
+    return english;
+}
+
+} // namespace
+
+void reload_language()
+{
+    rebuild_registry();
+}
+
+std::size_t locale_count()
+{
+    ensure_registry();
+    return s_locale_views.size();
+}
+
+const LocaleInfo* locale_at(std::size_t index)
+{
+    ensure_registry();
+    if (index >= s_locale_views.size())
+    {
+        return nullptr;
+    }
+    return &s_locale_views[index];
+}
+
+int current_locale_index()
+{
+    ensure_registry();
+    if (s_active_locale == nullptr)
+    {
+        return 0;
+    }
+
+    for (std::size_t index = 0; index < s_locale_packs.size(); ++index)
+    {
+        if (&s_locale_packs[index] == s_active_locale)
+        {
+            return static_cast<int>(index);
+        }
+    }
+
+    return 0;
+}
+
+const char* current_locale_id()
+{
+    ensure_registry();
+    return s_active_locale ? s_active_locale->id.c_str() : kDefaultLocaleId;
+}
+
+const char* current_locale_display_name()
+{
+    ensure_registry();
+    if (s_active_locale == nullptr)
+    {
+        return kBuiltinEnglishName;
+    }
+    return s_active_locale->native_name.empty() ? s_active_locale->display_name.c_str()
+                                                : s_active_locale->native_name.c_str();
+}
+
+bool set_locale(const char* locale_id, bool persist)
+{
+    ensure_registry();
+    LocalePackRecord* next_locale = find_pack_by_id(s_locale_packs, locale_id);
+    if (next_locale == nullptr)
+    {
+        return false;
+    }
+
+    const LocalePackRecord* previous_locale = s_active_locale;
+    (void)activate_locale(next_locale);
+
+    if (persist && s_active_locale != nullptr)
+    {
+        (void)::platform::ui::settings_store::put_string(
+            kSettingsNamespace, kDisplayLocaleKey, s_active_locale->id.c_str());
+        remove_legacy_locale_key();
+    }
+
+    return previous_locale != s_active_locale;
+}
+
+bool set_locale_by_index(std::size_t index, bool persist)
+{
+    const LocaleInfo* locale = locale_at(index);
+    return locale != nullptr && set_locale(locale->id, persist);
+}
+
+const lv_font_t* active_ui_font_fallback()
+{
+    ensure_registry();
+    return s_ui_font_chain.head;
+}
+
+const lv_font_t* active_content_font_fallback()
+{
+    ensure_registry();
+    return s_content_font_chain.head;
+}
+
+bool ensure_content_font_for_text(const char* text)
+{
+    ensure_registry();
+    if (!text || text[0] == '\0')
+    {
+        return true;
+    }
+
+    bool changed = false;
+    changed |= ensure_active_content_pack_loaded();
+
+    std::vector<uint32_t> missing = missing_content_codepoints(text);
+    while (!missing.empty())
+    {
+        FontPackRecord* candidate = choose_content_supplement(missing);
+        if (candidate == nullptr)
+        {
+            break;
+        }
+        if (!ensure_font_pack_loaded(candidate))
+        {
+            break;
+        }
+
+        append_unique_pack(s_content_supplement_packs, candidate);
+        changed = true;
+        rebuild_runtime_font_chains();
+        missing = missing_content_codepoints(text);
+    }
+
+    if (changed)
+    {
+        rebuild_runtime_font_chains();
+    }
+
+    return missing.empty();
+}
+
+const char* active_ime_pack_id()
+{
+    ensure_registry();
+    return s_active_ime_pack ? s_active_ime_pack->id.c_str() : nullptr;
+}
+
+bool active_locale_supports_script_input()
+{
+    ensure_registry();
+    return s_active_ime_pack != nullptr && !s_active_ime_pack->backend.empty() &&
+           s_active_ime_pack->backend != "none";
+}
+
+const char* tr(const char* english)
+{
+    ensure_registry();
+    if (!english)
+    {
+        return "";
+    }
+    if (s_active_locale == nullptr || s_active_locale->id == kDefaultLocaleId)
+    {
+        return english;
+    }
+    return lookup_translation(*s_active_locale, english);
+}
+
+std::string vformat(const char* english_fmt, va_list args)
+{
+    const char* localized_fmt = tr(english_fmt);
+    if (localized_fmt == nullptr)
+    {
+        return {};
+    }
+
+    va_list size_args;
+    va_copy(size_args, args);
+    const int size = std::vsnprintf(nullptr, 0, localized_fmt, size_args);
+    va_end(size_args);
+    if (size <= 0)
+    {
+        return localized_fmt;
+    }
+
+    std::vector<char> buffer(static_cast<std::size_t>(size) + 1U, '\0');
+    va_list write_args;
+    va_copy(write_args, args);
+    std::vsnprintf(buffer.data(), buffer.size(), localized_fmt, write_args);
+    va_end(write_args);
+    return std::string(buffer.data());
+}
+
+std::string format(const char* english_fmt, ...)
+{
+    va_list args;
+    va_start(args, english_fmt);
+    std::string out = vformat(english_fmt, args);
+    va_end(args);
+    return out;
+}
+
+void set_label_text(lv_obj_t* label, const char* english)
+{
+    const char* localized = tr(english);
+    if (label)
+    {
+        lv_label_set_text(label, localized);
+        ::ui::fonts::apply_localized_font(label, localized, lv_obj_get_style_text_font(label, LV_PART_MAIN));
+    }
+}
+
+void set_label_text_raw(lv_obj_t* label, const char* text)
+{
+    if (label)
+    {
+        const char* value = text ? text : "";
+        lv_label_set_text(label, value);
+        ::ui::fonts::apply_localized_font(label, value, lv_obj_get_style_text_font(label, LV_PART_MAIN));
+    }
+}
+
+void set_content_label_text(lv_obj_t* label, const char* english)
+{
+    const char* localized = tr(english);
+    if (label)
+    {
+        lv_label_set_text(label, localized);
+        ::ui::fonts::apply_content_font(label, localized, lv_obj_get_style_text_font(label, LV_PART_MAIN));
+    }
+}
+
+void set_content_label_text_raw(lv_obj_t* label, const char* text)
+{
+    if (label)
+    {
+        const char* value = text ? text : "";
+        lv_label_set_text(label, value);
+        ::ui::fonts::apply_content_font(label, value, lv_obj_get_style_text_font(label, LV_PART_MAIN));
+    }
+}
+
+void set_label_text_fmt(lv_obj_t* label, const char* english_fmt, ...)
+{
+    if (!label)
+    {
+        return;
+    }
+
+    va_list args;
+    va_start(args, english_fmt);
+    const std::string text = vformat(english_fmt, args);
+    va_end(args);
+    set_label_text_raw(label, text.c_str());
+}
+
+} // namespace ui::i18n
diff --git a/modules/ui_shared/src/ui/localization.cpp b/modules/ui_shared/src/ui/localization.cpp
deleted file mode 100644
index 2044b189..00000000
--- a/modules/ui_shared/src/ui/localization.cpp
+++ /dev/null
@@ -1,713 +0,0 @@
-#include "ui/localization.h"
-
-#include <cstddef>
-#include <cstdio>
-#include <cstring>
-#include <string>
-#include <vector>
-
-#include "platform/ui/settings_store.h"
-#include "ui/assets/fonts/font_utils.h"
-
-namespace ui::i18n
-{
-namespace
-{
-
-constexpr const char* kSettingsNamespace = "settings";
-constexpr const char* kDisplayLanguageKey = "display_language";
-
-struct TranslationEntry
-{
-    const char* english;
-    const char* chinese;
-};
-
-constexpr TranslationEntry kTranslations[] = {
-    {"Action", "操作"},
-    {"Add", "添加"},
-    {"Advanced", "高级"},
-    {"Always", "常亮"},
-    {"Altitude", "高度"},
-    {"Altitude Reference", "高度参考"},
-    {"App", "应用"},
-    {"Area Cleared", "区域清除"},
-    {"Auto", "自动"},
-    {"Awaiting teammate", "等待队友"},
-    {"Back", "返回"},
-    {"Base Camp", "营地"},
-    {"Beijing (UTC+8)", "北京 (UTC+8)"},
-    {"BLE bridge ready  |  %s", "BLE 桥接已就绪  |  %s"},
-    {"BLE linked  |  %s", "BLE 已连接  |  %s"},
-    {"Bluetooth", "蓝牙"},
-    {"Bluetooth Pairing", "蓝牙配对"},
-    {"Bcast", "广播"},
-    {"Bridge error", "桥接错误"},
-    {"Broadcast", "广播"},
-    {"Cancel", "取消"},
-    {"Channel", "信道"},
-    {"Chat", "聊天"},
-    {"Chat unavailable", "聊天不可用"},
-    {"Chinese", "中文"},
-    {"Closes automatically after pairing", "配对完成后将自动关闭"},
-    {"Close", "关闭"},
-    {"Command", "指令"},
-    {"Command: %s", "指令:%s"},
-    {"Command: %s %s", "指令:%s %s"},
-    {"Command: %s %s %s", "指令:%s %s %s"},
-    {"Compare Verification Code", "比对验证码"},
-    {"Compass", "指南针"},
-    {"Connected", "已连接"},
-    {"Connected, handshaking...", "已连接,正在握手..."},
-    {"Contacts", "联系人"},
-    {"Contacts (%s)", "联系人(%s)"},
-    {"Contacts (LXMF)", "联系人(LXMF)"},
-    {"Contacts (LXMF - %.3fMHz)", "联系人(LXMF - %.3fMHz)"},
-    {"Contacts (MeshCore)", "联系人(MeshCore)"},
-    {"Contacts (Meshtastic - %.3fMHz)", "联系人(Meshtastic - %.3fMHz)"},
-    {"Contacts (RNode)", "联系人(RNode)"},
-    {"Contacts (RNode - %.3fMHz)", "联系人(RNode - %.3fMHz)"},
-    {"Conversation protocol mismatch", "会话协议不匹配"},
-    {"Data Exchange", "数据交换"},
-    {"Debug Logs", "调试日志"},
-    {"Decoding: %d%%", "解码中:%d%%"},
-    {"Decoding: 0%", "解码中:0%"},
-    {"Delete", "删除"},
-    {"Delete %s?", "删除 %s?"},
-    {"Delete contact %s?", "删除联系人 %s?"},
-    {"Delete failed", "删除失败"},
-    {"Device: %s", "设备:%s"},
-    {"Direct", "私聊"},
-    {"Disabled", "已禁用"},
-    {"Discover", "发现"},
-    {"Display Language", "显示语言"},
-    {"Duplicate name not allowed", "名称不能重复"},
-    {"Edit", "编辑"},
-    {"Edit nickname", "编辑昵称"},
-    {"Emergency SOS", "紧急求救"},
-    {"Energy Sweep", "频谱扫描"},
-    {"English", "English"},
-    {"English keyboard", "英文键盘"},
-    {"Enter nickname", "输入昵称"},
-    {"Enter number for %s", "输入 %s 的校验数字"},
-    {"Enter the 6-digit number", "请输入 6 位数字"},
-    {"Enter this 6-digit PIN on your phone", "请在手机上输入这个 6 位 PIN 码"},
-    {"Error", "错误"},
-    {"Error: %lu", "错误:%lu"},
-    {"FSK Voice", "FSK 语音"},
-    {"Failed", "失败"},
-    {"Fix", "定位"},
-    {"Fixed PIN", "固定 PIN"},
-    {"Gauge Design (mAh)", "电池设计容量 (mAh)"},
-    {"Gauge Full (mAh)", "电池满充容量 (mAh)"},
-    {"Good Find", "发现目标"},
-    {"GPS", "GPS"},
-    {"GPS Status", "GPS 状态"},
-    {"HDOP", "HDOP"},
-    {"Heading starting", "航向启动中"},
-    {"Hide", "隐藏"},
-    {"Host bridge", "主机桥接"},
-    {"Host connected, probing modem...", "主机已连接,正在探测调制解调器..."},
-    {"IDLE", "空闲"},
-    {"Ignored", "已忽略"},
-    {"Ignore", "忽略"},
-    {"Ignore unavailable", "当前无法忽略"},
-    {"Ignore update failed", "忽略状态更新失败"},
-    {"Image received", "图像已接收"},
-    {"Info", "信息"},
-    {"Initializing...", "初始化中..."},
-    {"Invalid airtime factor", "空口系数无效"},
-    {"Invalid design capacity (mAh)", "设计容量 (mAh) 无效"},
-    {"Invalid frequency offset", "频偏无效"},
-    {"Invalid frequency value", "频率值无效"},
-    {"Invalid full capacity (mAh)", "满充容量 (mAh) 无效"},
-    {"Invalid marker", "无效标记"},
-    {"Invalid MeshCore bandwidth", "MeshCore 带宽无效"},
-    {"Invalid MeshCore frequency", "MeshCore 频率无效"},
-    {"Invalid number", "数字无效"},
-    {"Invalid RX delay", "接收延迟无效"},
-    {"Key marked trusted", "密钥已标记为可信"},
-    {"Key must be 32 hex or 16 chars", "密钥必须为 32 位十六进制或 16 个字符"},
-    {"Key trust failed", "密钥信任失败"},
-    {"Key Verification", "密钥校验"},
-    {"LINKED", "已组网"},
-    {"LISTEN", "监听"},
-    {"LIVE", "实时"},
-    {"Loading...", "加载中..."},
-    {"Location", "位置"},
-    {"Location: %s", "位置:%s"},
-    {"Location: %s %s", "位置:%s %s"},
-    {"LoRa direct path  |  %s", "LoRa 直连  |  %s"},
-    {"Low battery - audio disabled", "电量低,已禁用音频"},
-    {"Map", "地图"},
-    {"Map Layer", "地图图层"},
-    {"MESH", "网状"},
-    {"Mesh Status", "网状状态"},
-    {"Mesh unavailable", "Mesh 不可用"},
-    {"MeshCore only", "仅支持 MeshCore"},
-    {"Message DB cleared", "消息数据库已清空"},
-    {"Messages", "消息"},
-    {"MESSAGES", "消息"},
-    {"Messages and broadcasts show here", "消息和广播会显示在这里"},
-    {"Mini Compass", "迷你指南针"},
-    {"MT send uses slot 0/1 only", "Meshtastic 发送仅支持槽位 0/1"},
-    {"N/A", "不适用"},
-    {"Nearby", "附近"},
-    {"Need local GPS", "需要本机 GPS"},
-    {"Network", "网络"},
-    {"New", "新建"},
-    {"new activity", "有新动态"},
-    {"Next", "下一页"},
-    {"No GPS fix", "没有 GPS 定位"},
-    {"No image", "没有图像"},
-    {"No messages", "暂无消息"},
-    {"No preview", "无预览"},
-    {"No recent traffic", "暂无最近活动"},
-    {"No response", "无响应"},
-    {"No route selected", "未选择路线"},
-    {"No target", "没有目标"},
-    {"No track files", "没有轨迹文件"},
-    {"Node DB reset", "节点数据库已重置"},
-    {"Node ignored", "节点已忽略"},
-    {"Node ignored and hidden", "节点已忽略并隐藏"},
-    {"Node unignored", "已取消忽略节点"},
-    {"North locked", "北向已锁定"},
-    {"Not set", "未设置"},
-    {"NO", "否"},
-    {"NO FIX", "无定位"},
-    {"Number keyboard", "数字键盘"},
-    {"OFF", "关"},
-    {"OK", "确定"},
-    {"ON", "开"},
-    {"online", "在线"},
-    {"Pairing", "配对"},
-    {"PC Link", "电脑连接"},
-    {"PC Link is unavailable on this target.", "当前目标暂不支持电脑连接."},
-    {"peer lock  |  turn %03.0f deg", "目标锁定  |  转向 %03.0f 度"},
-    {"Pinyin keyboard", "拼音键盘"},
-    {"Pinyin: %s", "拼音:%s"},
-    {"Position", "位置"},
-    {"position stream active  |  %u in view", "定位流活跃  |  可见 %u 颗"},
-    {"Power", "电量"},
-    {"Press Back", "按返回键"},
-    {"Press RX to start", "按 RX 开始"},
-    {"Primary", "主信道"},
-    {"Protocol", "协议"},
-    {"Protocol switch failed", "协议切换失败"},
-    {"Protocol switched", "协议已切换"},
-    {"quiet net", "网络安静"},
-    {"Random PIN", "随机 PIN"},
-    {"Ready", "就绪"},
-    {"RECEIVING", "接收中"},
-    {"Recent Activity", "最近活动"},
-    {"Record", "记录"},
-    {"Recording", "记录中"},
-    {"Region", "区域"},
-    {"Remain: %u", "剩余:%u"},
-    {"Reply", "回复"},
-    {"Reply disabled for this protocol", "此协议下不能回复"},
-    {"Reset Mesh Profiles", "重置 Mesh 配置"},
-    {"Reset Node DB", "重置节点数据库"},
-    {"Resetting...", "重置中..."},
-    {"Return", "返回"},
-    {"Rally Point", "集结点"},
-    {"RNode Bridge", "RNode Bridge"},
-    {"RNode modem ready", "RNode 调制解调器已就绪"},
-    {"RNode text chat runs on host", "RNode 文本聊天在主机侧运行"},
-    {"Route", "路线"},
-    {"Run", "执行"},
-    {"RX", "RX"},
-    {"RX: %lu  TX: %lu", "接收:%lu  发送:%lu"},
-    {"RX: 0  TX: 0", "接收:0  发送:0"},
-    {"Save", "保存"},
-    {"Saved: %s", "已保存:%s"},
-    {"Scan failed", "扫描失败"},
-    {"Scan Local", "本地扫描"},
-    {"Scanning 5s...", "扫描 5 秒中..."},
-    {"Screen Brightness", "屏幕亮度"},
-    {"Screen Timeout", "熄屏超时"},
-    {"SEARCH", "搜索中"},
-    {"Secondary", "次信道"},
-    {"Select a route", "请选择路线"},
-    {"Select a track", "请选择轨迹"},
-    {"Select marker", "选择标记"},
-    {"Select Track", "选择轨迹"},
-    {"Selected: %s", "已选:%s"},
-    {"Send", "发送"},
-    {"Send failed", "发送失败"},
-    {"Send this code and compare:\n", "发送这个验证码并比对:\n"},
-    {"Send ID Broadcast", "广播发送 ID"},
-    {"Send ID Local", "本地发送 ID"},
-    {"Sending...", "发送中..."},
-    {"Sent", "已发送"},
-    {"Settings", "设置"},
-    {"Setting", "设置"},
-    {"Share Position Marker", "分享位置标记"},
-    {"Share this number:\n", "请分享这个数字:\n"},
-    {"Short Name", "短名称"},
-    {"SOLO", "单机"},
-    {"Speaker Volume", "提示音音量"},
-    {"Sky Plot", "星图"},
-    {"SSTV RX READY", "SSTV 接收就绪"},
-    {"SSTV start failed", "SSTV 启动失败"},
-    {"standing by", "待命"},
-    {"Status", "状态"},
-    {"Stopped", "已停止"},
-    {"Stop", "停止"},
-    {"Stop recording first", "请先停止记录"},
-    {"Submit", "提交"},
-    {"Submit failed", "提交失败"},
-    {"System", "系统"},
-    {"SATELLITE STATUS", "卫星状态"},
-    {"Talk", "说话"},
-    {"TALK", "说话"},
-    {"Team", "团队"},
-    {"TEAM", "团队"},
-    {"Team chat send failed", "团队消息发送失败"},
-    {"Team chat unavailable", "团队聊天不可用"},
-    {"Team chat unavailable in RNode mode", "RNode 模式下团队聊天不可用"},
-    {"team member position will appear here", "队友位置会显示在这里"},
-    {"Team keys not ready", "团队密钥未就绪"},
-    {"Team location encode failed", "团队位置编码失败"},
-    {"Text chat unavailable", "文本聊天不可用"},
-    {"threads active", "活跃会话"},
-    {"Time Zone", "时区"},
-    {"Tracker", "轨迹"},
-    {"traffic active", "流量活跃"},
-    {"Trust Key", "信任密钥"},
-    {"U", "用"},
-    {"Unignore", "取消忽略"},
-    {"Unread", "未读"},
-    {"Unknown", "未知"},
-    {"USB Mass Storage", "USB 大容量存储"},
-    {"USB Disk", "USB存储"},
-    {"USB Bridge", "USB 桥接"},
-    {"USB host bridge", "USB 主机桥接"},
-    {"USB Bridge is unavailable on this target.", "当前目标暂不支持 USB 桥接."},
-    {"USB CDC KISS modem for Reticulum", "面向 Reticulum 的 USB CDC KISS 调制解调器"},
-    {"USE", "用"},
-    {"Used", "已用"},
-    {"User Name", "用户名"},
-    {"Verification Number", "校验数字"},
-    {"Verification number sent", "校验数字已发送"},
-    {"Vibration", "振动"},
-    {"VOL %d", "音量 %d"},
-    {"VOL 80", "音量 80"},
-    {"waiting for better sky view  |  %u in view", "等待更好的天空视野  |  可见 %u 颗"},
-    {"waiting for module GNSS compass", "等待 GNSS/指南针模块"},
-    {"waiting for traffic", "等待流量"},
-    {"Waiting for host...", "等待主机连接..."},
-    {"Waiting for Reticulum host...", "等待 Reticulum 主机连接..."},
-    {"WAIT IMU", "等待 IMU"},
-    {"Walkie not available", "对讲功能不可用"},
-    {"Walkie start failed", "对讲启动失败"},
-    {"Walkie Talkie", "对讲机"},
-    {"YES", "是"},
-    {"6 digits", "6 位数字"},
-    {"%u threads active", "%u 个会话活跃"},
-    {"%ud", "%u天"},
-    {"%uh", "%u小时"},
-    {"%um", "%u分"},
-    {"%umo", "%u月"},
-    {"%uy", "%u年"},
-    {"Confirm received code:\n", "确认收到的验证码:\n"},
-    {"device heading from 9-axis module", "设备航向来自 9 轴模块"},
-    {"heading unlocks after first fix", "首次定位后解锁航向"},
-    {"If it matches, trust the key.", "如果一致,请信任此密钥。"},
-    {"magnetometer heading active", "磁力计航向已启用"},
-    {"magnetometer still warming up", "磁力计仍在预热"},
-    {"needle shows north until target lock", "锁定目标前指针指向北方"},
-    {"nearest peer  |  %.0f m away", "最近队友  |  距离 %.0f 米"},
-    {"no recent traffic", "暂无最近活动"},
-    {"now", "刚刚"},
-    {"%s layer missing", "%s 图层缺失"},
-    {"Active: %s", "已激活:%s"},
-    {"Alt: %.0f m", "高度:%.0f 米"},
-    {"Alt: -- m", "高度:-- 米"},
-    {"Base: %s", "底图:%s"},
-    {"Battery critical", "电池电量危险"},
-    {"Broadcast (%d)", "广播(%d)"},
-    {"COMPLETE", "已完成"},
-    {"Calibrating...", "校准中..."},
-    {"Confirm", "确认"},
-    {"Contour: OFF", "等高线:关"},
-    {"Decoder error", "解码错误"},
-    {"Direct (%d)", "私聊(%d)"},
-    {"E", "东"},
-    {"ERROR", "错误"},
-    {"Exiting USB...", "正在退出 USB..."},
-    {"Hold", "原地待命"},
-    {"ID: !%08lX", "ID: !%08lX"},
-    {"ID: -", "ID: -"},
-    {"Key refresh not implemented", "暂未实现密钥刷新"},
-    {"Key verify: %s %s", "密钥校验:%s %s"},
-    {"Key verify: confirm %s %s", "密钥校验:请确认 %s %s"},
-    {"Key verify: enter number for %s", "密钥校验:请为 %s 输入数字"},
-    {"Key verify: send %s %s", "密钥校验:请发送 %s %s"},
-    {"Later", "稍后"},
-    {"Level %d", "级别 %d"},
-    {"Listening for SSTV signal...", "正在监听 SSTV 信号..."},
-    {"Low battery: %d%%", "电量低:%d%%"},
-    {"MODE: %s", "模式:%s"},
-    {"MODE: Auto", "模式:自动"},
-    {"Map - %.48s", "地图 - %.48s"},
-    {"Map - %s Missing", "地图 - %s 缺失"},
-    {"Map - No Map Data", "地图 - 没有地图数据"},
-    {"Map - No SD Card", "地图 - 没有 SD 卡"},
-    {"Map - no gps data", "地图 - 没有 GPS 数据"},
-    {"Message", "消息"},
-    {"Mic TBD", "麦克风功能待定义"},
-    {"Mic init failed", "麦克风初始化失败"},
-    {"Morse Input", "摩斯电码输入"},
-    {"MoveTo", "移动到"},
-    {"N", "北"},
-    {"NODE INFO", "节点信息"},
-    {"Name required", "必须输入名称"},
-    {"Name too long", "名称过长"},
-    {"No KML routes", "没有 KML 路线"},
-    {"No SD Card", "没有 SD 卡"},
-    {"No routes folder", "没有 routes 文件夹"},
-    {"No tracks yet", "暂无轨迹"},
-    {"Only leader can manage", "只有队长可以管理"},
-    {"Only leader can pair", "只有队长可以配对"},
-    {"Paired successfully", "配对成功"},
-    {"Pairing failed", "配对失败"},
-    {"Pairing init failed", "配对初始化失败"},
-    {"Pairing not available", "当前无法配对"},
-    {"Pairing not ready", "配对尚未就绪"},
-    {"Press Back to exit USB mode", "按返回键退出 USB 模式"},
-    {"Press SPACE to resume", "按 SPACE 唤醒屏幕"},
-    {"RallyTo", "集结到"},
-    {"Route configured", "已配置路线"},
-    {"Route: %s", "路线:%s"},
-    {"SD Card Not Found\nPlease insert SD card", "未找到 SD 卡\n请插入 SD 卡"},
-    {"SSTV RECEIVER", "SSTV 接收器"},
-    {"Save failed", "保存失败"},
-    {"Scan +%u/%u", "扫描新增:+%u/%u"},
-    {"Select level", "选择级别"},
-    {"Selected level: %d", "已选级别:%d"},
-    {"Shutting down to protect battery", "正在关机以保护电池"},
-    {"Status: CALIB", "状态:校准"},
-    {"Step 1/2: Tap short dots", "第 1/2 步:点击短点"},
-    {"Step 2/2: Tap long dashes", "第 2/2 步:点击长线"},
-    {"Switch to %s to chat", "切换到 %s 以聊天"},
-    {"Symbol: ", "符号:"},
-    {"Tap to input, idle 3s to send", "点击输入,空闲 3 秒后发送"},
-    {"Team keys mismatch", "团队密钥不匹配"},
-    {"Team: ", "团队:"},
-    {"Text: ", "文本:"},
-    {"Unread: %d", "未读:%d"},
-    {"Unread: 0", "未读:0"},
-    {"W", "西"},
-    {"0° Horizon", "0° 地平线"},
-    {"PSK must be 32 hex or 16 chars", "PSK 必须是 32 位十六进制或 16 个字符"},
-    {"Restarting...", "正在重启..."},
-    {"awaiting position", "等待位置"},
-    {"compass wakes after GPS fix", "GPS 定位后指南针将启用"},
-    {"searching satellites", "正在搜索卫星"},
-    {"%s -", "%s -"},
-    {"%s 0s", "%s 0秒"},
-    {"%s %us", "%s %u秒"},
-    {"%s %um", "%s %u分"},
-    {"%s %uh", "%s %u小时"},
-    {"%s %ud", "%s %u天"},
-    {"AUTO", "自动"},
-    {"Alt: %ld m", "高度:%ld 米"},
-    {"Alt: -", "高度:-"},
-    {"BEST", "最佳"},
-    {"BW: %.0fk", "带宽:%.0fk"},
-    {"BW: %.1fk", "带宽:%.1fk"},
-    {"BW: -", "带宽:-"},
-    {"CAD", "CAD"},
-    {"CURSOR", "游标"},
-    {"Ch: %.3f", "信道:%.3f"},
-    {"Ch: -", "信道:-"},
-    {"Hop: %u", "跳数:%u"},
-    {"Hop: -", "跳数:-"},
-    {"Hop: - / NH: %02X", "跳数:- / 下一跳:%02X"},
-    {"ID: !%06lx", "ID: !%06lx"},
-    {"ID: !%08lx", "ID: !%08lx"},
-    {"Last heard:", "最后收到:"},
-    {"Link", "链路"},
-    {"Link / MeshCore", "链路 / MeshCore"},
-    {"Link / Meshtastic", "链路 / Meshtastic"},
-    {"MODE: RSSI", "模式:RSSI"},
-    {"NOISE %.0f dBm", "噪声 %.0f dBm"},
-    {"NOISE -104 dBm", "噪声 -104 dBm"},
-    {"PKI: -", "PKI:-"},
-    {"PKI: known", "PKI:已知"},
-    {"PKI: verified", "PKI:已验证"},
-    {"RSSI %.0f dBm", "RSSI %.0f dBm"},
-    {"RSSI -92 dBm", "RSSI -92 dBm"},
-    {"RSSI: %.0f dBm", "RSSI:%.0f dBm"},
-    {"RSSI: -", "RSSI:-"},
-    {"Role: %s", "角色:%s"},
-    {"SCAN", "扫描"},
-    {"SF: %u", "扩频因子:%u"},
-    {"SF: -", "扩频因子:-"},
-    {"SIM", "模拟"},
-    {"SNR +%d", "SNR +%d"},
-    {"SNR +12", "SNR +12"},
-    {"SNR: %.1f dB", "SNR:%.1f dB"},
-    {"SNR: -", "SNR:-"},
-    {"SNR %.0f", "信噪比 %.0f"},
-    {"SNR -", "信噪比 -"},
-    {"SNR Good", "信噪比良好"},
-    {"SNR Weak", "信噪比较弱"},
-    {"STEP %.0fk | BW %.0fk", "步进 %.0fk | 带宽 %.0fk"},
-    {"STEP %.1fk | BW %.1fk", "步进 %.1fk | 带宽 %.1fk"},
-    {"STEP -- | BW --", "步进 -- | 带宽 --"},
-    {"STOP", "停止"},
-    {"Slot", "槽位"},
-    {"Slot %u", "槽位 %u"},
-    {"SUB-GHz SCAN", "Sub-GHz 扫描"},
-    {"Actions", "操作"},
-    {"Actions: %s", "操作:%s"},
-    {"Access to team data revoked", "队伍数据访问已撤销"},
-    {"Capability:", "能力:"},
-    {"Channel Actions", "频道操作"},
-    {"Confirm Kick", "确认移除"},
-    {"Create Team", "创建队伍"},
-    {"ELEV", "仰角"},
-    {"Join Team", "加入队伍"},
-    {"In View", "可见"},
-    {"Keep devices within 5m", "请将设备保持在 5 米内"},
-    {"KeyDist", "密钥分发"},
-    {"KeyId: %u", "密钥 ID:%u"},
-    {"KeyId: --", "密钥 ID:--"},
-    {"Keys", "密钥"},
-    {"Kick", "移除"},
-    {"Kick Member", "移除成员"},
-    {"Last paired: %s", "最近配对:%s"},
-    {"Last seen %uh ago", "上次在线 %u 小时前"},
-    {"Last seen %um ago", "上次在线 %u 分钟前"},
-    {"Last seen --", "上次在线:--"},
-    {"Last update %us ago", "上次更新 %u 秒前"},
-    {"Last update --", "上次更新:--"},
-    {"Last update 0s ago", "上次更新 0 秒前"},
-    {"Leader", "队长"},
-    {"Leader online", "队长在线"},
-    {"Leave", "离开"},
-    {"Leave team?", "离开队伍?"},
-    {"Manage", "管理"},
-    {"Member: %s", "成员:%s"},
-    {"Members", "成员"},
-    {"Members: %u", "成员数:%u"},
-    {"Members: %u  Online: %u", "成员:%u  在线:%u"},
-    {"Modem Bridge", "调制解调器桥接"},
-    {"No members yet", "暂无成员"},
-    {"Not Used", "未使用"},
-    {"Offline", "离线"},
-    {"Online", "在线"},
-    {"Online: %u", "在线:%u"},
-    {"Pair Again", "再次配对"},
-    {"Pair Member", "配对成员"},
-    {"Pairing in progress", "正在配对"},
-    {"Prev", "上一页"},
-    {"Remove %s from team?", "将 %s 移出队伍?"},
-    {"Request Keys", "请求密钥"},
-    {"Retry", "重试"},
-    {"Security Round: %u", "安全轮次:%u"},
-    {"Security Round: --", "安全轮次:--"},
-    {"Security: OK (Round %u)", "安全状态:正常(轮次 %u)"},
-    {"Security: OK (Round --)", "安全状态:正常(轮次 --)"},
-    {"Seen %ud", "%u 天前"},
-    {"Seen %uh", "%u 小时前"},
-    {"Seen %um", "%u 分钟前"},
-    {"Send failed (keys not ready)", "发送失败(密钥未就绪)"},
-    {"Status: %s", "状态:%s"},
-    {"Target: %s", "目标:%s"},
-    {"Team / %s", "队伍 / %s"},
-    {"Team Actions", "队伍操作"},
-    {"Team Health", "队伍状态"},
-    {"Team Status", "队伍状态"},
-    {"Team: %s", "队伍:%s"},
-    {"This clears local keys.", "这将清除本地密钥。"},
-    {"This will update the security round.\nThe member will no longer receive\nteam messages or waypoints.", "这将更新安全轮次。\n该成员将不再接收\n队伍消息或航点。"},
-    {"Transfer", "移交"},
-    {"Transfer Leader", "移交队长"},
-    {"View Team", "查看队伍"},
-    {"Waiting for new keys...", "正在等待新密钥..."},
-    {"Waypoint", "航点"},
-    {"You are no longer in this team", "你已不在此队伍中"},
-    {"You are not in a team", "你当前未加入队伍"},
-    {"- No shared map\n- No team awareness", "- 无共享地图\n- 无队伍态势"},
-    {"1 member stale", "1 名成员状态过期"},
-    {"encrypt failed", "加密失败"},
-    {"member", "成员"},
-    {"queue full", "队列已满"},
-    {"unsupported protocol", "协议不支持"},
-    {"Factory Reset", "恢复出厂设置"},
-    {"Clear all settings and restart?", "清空全部设置并重启?"},
-};
-
-bool s_loaded = false;
-Language s_language = Language::English;
-
-Language load_language_from_store()
-{
-    return language_from_raw(
-        ::platform::ui::settings_store::get_int(kSettingsNamespace, kDisplayLanguageKey, 0));
-}
-
-void ensure_loaded()
-{
-    if (s_loaded)
-    {
-        return;
-    }
-
-    s_language = load_language_from_store();
-    s_loaded = true;
-}
-
-const char* lookup_translation(const char* english)
-{
-    if (!english)
-    {
-        return "";
-    }
-
-    for (const auto& entry : kTranslations)
-    {
-        if (std::strcmp(entry.english, english) == 0)
-        {
-            return entry.chinese;
-        }
-    }
-
-    return english;
-}
-
-void apply_label_font(lv_obj_t* label, const char* text)
-{
-    if (!label)
-    {
-        return;
-    }
-
-    const lv_font_t* current_font = lv_obj_get_style_text_font(label, LV_PART_MAIN);
-    ::ui::fonts::apply_localized_font(label, text, current_font);
-}
-
-} // namespace
-
-Language language_from_raw(int raw_value)
-{
-    return raw_value == static_cast<int>(Language::Chinese) ? Language::Chinese : Language::English;
-}
-
-void reload_language()
-{
-    s_language = load_language_from_store();
-    s_loaded = true;
-}
-
-Language current_language()
-{
-    ensure_loaded();
-    return s_language;
-}
-
-bool set_language(Language language, bool persist)
-{
-    ensure_loaded();
-    const bool changed = s_language != language;
-    s_language = language;
-
-    if (persist)
-    {
-        ::platform::ui::settings_store::put_int(
-            kSettingsNamespace, kDisplayLanguageKey, static_cast<int>(language));
-    }
-
-    return changed;
-}
-
-bool supports_chinese()
-{
-#if defined(GAT562_NO_CJK) && GAT562_NO_CJK
-    return false;
-#else
-    return true;
-#endif
-}
-
-const char* tr(const char* english)
-{
-    ensure_loaded();
-    if (s_language == Language::Chinese)
-    {
-        return lookup_translation(english);
-    }
-    return english ? english : "";
-}
-
-std::string vformat(const char* english_fmt, va_list args)
-{
-    const char* localized_fmt = tr(english_fmt);
-    if (localized_fmt == nullptr)
-    {
-        return {};
-    }
-
-    va_list size_args;
-    va_copy(size_args, args);
-    const int size = std::vsnprintf(nullptr, 0, localized_fmt, size_args);
-    va_end(size_args);
-    if (size <= 0)
-    {
-        return localized_fmt;
-    }
-
-    std::vector<char> buffer(static_cast<size_t>(size) + 1U, '\0');
-    va_list write_args;
-    va_copy(write_args, args);
-    std::vsnprintf(buffer.data(), buffer.size(), localized_fmt, write_args);
-    va_end(write_args);
-    return std::string(buffer.data());
-}
-
-std::string format(const char* english_fmt, ...)
-{
-    va_list args;
-    va_start(args, english_fmt);
-    std::string out = vformat(english_fmt, args);
-    va_end(args);
-    return out;
-}
-
-void set_label_text(lv_obj_t* label, const char* english)
-{
-    const char* localized = tr(english);
-    if (label)
-    {
-        lv_label_set_text(label, localized);
-        apply_label_font(label, localized);
-    }
-}
-
-void set_label_text_raw(lv_obj_t* label, const char* text)
-{
-    if (label)
-    {
-        lv_label_set_text(label, text ? text : "");
-        apply_label_font(label, text ? text : "");
-    }
-}
-
-void set_label_text_fmt(lv_obj_t* label, const char* english_fmt, ...)
-{
-    if (!label)
-    {
-        return;
-    }
-
-    va_list args;
-    va_start(args, english_fmt);
-    const std::string text = vformat(english_fmt, args);
-    va_end(args);
-    set_label_text_raw(label, text.c_str());
-}
-
-} // namespace ui::i18n
diff --git a/modules/ui_shared/src/ui/menu/menu_layout.cpp b/modules/ui_shared/src/ui/menu/menu_layout.cpp
index c423c7cb..d99ec116 100644
--- a/modules/ui_shared/src/ui/menu/menu_layout.cpp
+++ b/modules/ui_shared/src/ui/menu/menu_layout.cpp
@@ -43,11 +43,20 @@ struct MenuAppUi
     lv_obj_t* label = nullptr;
 };
 
+struct BottomBarChipUi
+{
+    lv_obj_t* container = nullptr;
+    lv_obj_t* label = nullptr;
+};
+
 lv_obj_t* s_menu_panel = nullptr;
 lv_obj_t* s_app_panel = nullptr;
 lv_obj_t* s_grid_panel = nullptr;
 lv_obj_t* s_desc_label = nullptr;
-lv_obj_t* s_node_id_label = nullptr;
+lv_obj_t* s_bottom_bar = nullptr;
+BottomBarChipUi s_bottom_node_chip{};
+BottomBarChipUi s_bottom_ram_chip{};
+BottomBarChipUi s_bottom_psram_chip{};
 MenuAppUi s_menu_apps[kMaxMenuApps];
 InitOptions s_init_options{};
 
@@ -458,6 +467,66 @@ void createAppButton(lv_obj_t* parent, AppScreen* app, size_t idx)
     lv_obj_add_event_cb(btn, menuButtonClickCallback, LV_EVENT_CLICKED, app);
 }
 
+BottomBarChipUi createBottomBarChip(lv_obj_t* parent,
+                                    const ui::menu_profile::MenuLayoutProfile& profile,
+                                    lv_color_t bg_color,
+                                    const char* text)
+{
+    BottomBarChipUi chip{};
+    chip.container = lv_obj_create(parent);
+    lv_obj_set_size(chip.container, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+    lv_obj_set_style_bg_color(chip.container, bg_color, 0);
+    lv_obj_set_style_bg_opa(chip.container, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(chip.container, 0, 0);
+    lv_obj_set_style_radius(chip.container, 10, 0);
+    lv_obj_set_style_shadow_width(chip.container, 0, 0);
+    lv_obj_set_style_pad_left(chip.container, 8, 0);
+    lv_obj_set_style_pad_right(chip.container, 8, 0);
+    lv_obj_set_style_pad_top(chip.container, 3, 0);
+    lv_obj_set_style_pad_bottom(chip.container, 3, 0);
+    lv_obj_set_style_min_height(chip.container, profile.top_bar_height - 6, 0);
+    lv_obj_clear_flag(chip.container, LV_OBJ_FLAG_SCROLLABLE);
+    lv_obj_clear_flag(chip.container, LV_OBJ_FLAG_CLICKABLE);
+
+    chip.label = lv_label_create(chip.container);
+    lv_obj_set_width(chip.label, LV_SIZE_CONTENT);
+    lv_obj_set_style_text_align(chip.label, LV_TEXT_ALIGN_CENTER, 0);
+    lv_obj_set_style_text_color(chip.label, ui::theme::text(), 0);
+    lv_obj_set_style_bg_opa(chip.label, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_pad_all(chip.label, 0, 0);
+    lv_obj_set_style_text_font(chip.label, profile.node_id_font, 0);
+    lv_label_set_long_mode(chip.label, LV_LABEL_LONG_CLIP);
+    lv_label_set_text(chip.label, text ? text : "");
+    lv_obj_center(chip.label);
+    return chip;
+}
+
+void setBottomBarChipText(const BottomBarChipUi& chip, const char* text)
+{
+    if (chip.label == nullptr)
+    {
+        return;
+    }
+    lv_label_set_text(chip.label, text ? text : "");
+}
+
+void setBottomBarChipVisible(const BottomBarChipUi& chip, bool visible)
+{
+    if (chip.container == nullptr)
+    {
+        return;
+    }
+
+    if (visible)
+    {
+        lv_obj_clear_flag(chip.container, LV_OBJ_FLAG_HIDDEN);
+    }
+    else
+    {
+        lv_obj_add_flag(chip.container, LV_OBJ_FLAG_HIDDEN);
+    }
+}
+
 void createPanels()
 {
     main_screen = lv_tileview_create(lv_screen_active());
@@ -582,28 +651,43 @@ void createAppGrid()
     lv_obj_set_style_text_font(s_desc_label, profile.desc_font, 0);
 
 #if !defined(ARDUINO_T_WATCH_S3)
-    s_node_id_label = lv_label_create(s_menu_panel);
-    lv_obj_set_width(s_node_id_label, LV_SIZE_CONTENT);
-    lv_obj_set_style_text_align(s_node_id_label, LV_TEXT_ALIGN_LEFT, 0);
-    lv_obj_set_style_text_color(s_node_id_label, ui::theme::text_muted(), 0);
-    lv_obj_set_style_text_font(s_node_id_label, profile.node_id_font, 0);
-    lv_obj_align(s_node_id_label, LV_ALIGN_BOTTOM_LEFT, profile.node_id_offset_x, profile.node_id_offset_y);
+    s_bottom_bar = lv_obj_create(s_menu_panel);
+    lv_obj_set_size(s_bottom_bar, LV_PCT(100), profile.top_bar_height);
+    lv_obj_set_style_bg_color(s_bottom_bar, ui::theme::surface_alt(), 0);
+    lv_obj_set_style_bg_opa(s_bottom_bar, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(s_bottom_bar, 0, 0);
+    lv_obj_set_style_radius(s_bottom_bar, 0, 0);
+    lv_obj_set_style_shadow_width(s_bottom_bar, 0, 0);
+    lv_obj_set_style_pad_left(s_bottom_bar, profile.top_bar_side_inset, 0);
+    lv_obj_set_style_pad_right(s_bottom_bar, profile.top_bar_side_inset, 0);
+    lv_obj_set_style_pad_top(s_bottom_bar, 0, 0);
+    lv_obj_set_style_pad_bottom(s_bottom_bar, 0, 0);
+    lv_obj_set_style_pad_column(s_bottom_bar, 6, 0);
+    lv_obj_set_flex_flow(s_bottom_bar, LV_FLEX_FLOW_ROW);
+    lv_obj_set_flex_align(s_bottom_bar, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_align(s_bottom_bar, LV_ALIGN_BOTTOM_MID, 0, 0);
+    lv_obj_clear_flag(s_bottom_bar, LV_OBJ_FLAG_SCROLLABLE);
+    lv_obj_clear_flag(s_bottom_bar, LV_OBJ_FLAG_CLICKABLE);
     if (!profile.show_node_id)
     {
-        lv_obj_add_flag(s_node_id_label, LV_OBJ_FLAG_HIDDEN);
+        lv_obj_add_flag(s_bottom_bar, LV_OBJ_FLAG_HIDDEN);
     }
 
+    s_bottom_node_chip = createBottomBarChip(s_bottom_bar, profile, lv_color_hex(0xF1B75A), "-");
+    s_bottom_ram_chip = createBottomBarChip(s_bottom_bar, profile, lv_color_hex(0xCFE4FF), "--/--");
+    s_bottom_psram_chip = createBottomBarChip(s_bottom_bar, profile, lv_color_hex(0xD4F0D2), "--/--");
+
     char node_id_buf[24];
     const uint32_t self_id = s_init_options.messaging ? s_init_options.messaging->getSelfNodeId() : 0;
     if (self_id != 0)
     {
-        std::snprintf(node_id_buf, sizeof(node_id_buf), "ID: !%08lX", static_cast<unsigned long>(self_id));
+        std::snprintf(node_id_buf, sizeof(node_id_buf), "!%08lX", static_cast<unsigned long>(self_id));
     }
     else
     {
-        std::snprintf(node_id_buf, sizeof(node_id_buf), "ID: -");
+        std::snprintf(node_id_buf, sizeof(node_id_buf), "-");
     }
-    lv_label_set_text(s_node_id_label, node_id_buf);
+    setBottomBarChipText(s_bottom_node_chip, node_id_buf);
 #endif
 
     lv_label_set_long_mode(s_desc_label, LV_LABEL_LONG_SCROLL_CIRCULAR);
@@ -647,9 +731,9 @@ void bringContentToFront()
     {
         lv_obj_move_foreground(s_desc_label);
     }
-    if (s_node_id_label != nullptr)
+    if (s_bottom_bar != nullptr)
     {
-        lv_obj_move_foreground(s_node_id_label);
+        lv_obj_move_foreground(s_bottom_bar);
     }
     ui::menu::dashboard::bringToFront();
 }
@@ -686,6 +770,26 @@ void refresh_localized_text()
     ui::menu::dashboard::refresh_localized_text();
 }
 
+void set_bottom_bar_node_text(const char* text)
+{
+    setBottomBarChipText(s_bottom_node_chip, text);
+}
+
+void set_bottom_bar_ram_text(const char* text)
+{
+    setBottomBarChipText(s_bottom_ram_chip, text);
+}
+
+void set_bottom_bar_psram_text(const char* text)
+{
+    setBottomBarChipText(s_bottom_psram_chip, text);
+}
+
+void set_bottom_bar_psram_visible(bool visible)
+{
+    setBottomBarChipVisible(s_bottom_psram_chip, visible);
+}
+
 void setMenuVisible(bool visible)
 {
     if (s_menu_panel != nullptr)
diff --git a/modules/ui_shared/src/ui/menu/menu_runtime.cpp b/modules/ui_shared/src/ui/menu/menu_runtime.cpp
index e702928f..75ac3db1 100644
--- a/modules/ui_shared/src/ui/menu/menu_runtime.cpp
+++ b/modules/ui_shared/src/ui/menu/menu_runtime.cpp
@@ -59,6 +59,83 @@ bool formatMenuTime(char* out, size_t out_len)
     return s_runtime.hooks.format_time ? s_runtime.hooks.format_time(out, out_len) : false;
 }
 
+std::size_t used_bytes(std::size_t total_bytes, std::size_t free_bytes)
+{
+    return total_bytes > free_bytes ? (total_bytes - free_bytes) : 0;
+}
+
+void format_memory_value(std::size_t bytes, char* out, std::size_t out_len)
+{
+    if (!out || out_len == 0)
+    {
+        return;
+    }
+
+    if (bytes >= (1024U * 1024U))
+    {
+        const unsigned whole = static_cast<unsigned>(bytes / (1024U * 1024U));
+        const unsigned tenth =
+            static_cast<unsigned>((bytes % (1024U * 1024U)) * 10U / (1024U * 1024U));
+        if (tenth == 0U)
+        {
+            std::snprintf(out, out_len, "%uM", whole);
+        }
+        else
+        {
+            std::snprintf(out, out_len, "%u.%uM", whole, tenth);
+        }
+        return;
+    }
+
+    std::snprintf(out,
+                  out_len,
+                  "%luK",
+                  static_cast<unsigned long>((bytes + 1023U) / 1024U));
+}
+
+void refreshBottomBar()
+{
+    char node_text[24];
+    const uint32_t self_id = app::messagingFacade().getSelfNodeId();
+    if (self_id != 0)
+    {
+        std::snprintf(node_text, sizeof(node_text), "!%08lX", static_cast<unsigned long>(self_id));
+    }
+    else
+    {
+        std::snprintf(node_text, sizeof(node_text), "-");
+    }
+    ui::menu_layout::set_bottom_bar_node_text(node_text);
+
+    const platform::ui::device::MemoryStats stats = platform::ui::device::memory_stats();
+    char ram_used[16];
+    char ram_total[16];
+    char psram_used[16];
+    char psram_total[16];
+    char ram_text[32];
+    char psram_text[32];
+
+    format_memory_value(used_bytes(stats.ram_total_bytes, stats.ram_free_bytes), ram_used, sizeof(ram_used));
+    format_memory_value(stats.ram_total_bytes, ram_total, sizeof(ram_total));
+    std::snprintf(ram_text, sizeof(ram_text), "%s/%s", ram_used, ram_total);
+    ui::menu_layout::set_bottom_bar_ram_text(ram_text);
+
+    if (stats.psram_available && stats.psram_total_bytes > 0)
+    {
+        format_memory_value(used_bytes(stats.psram_total_bytes, stats.psram_free_bytes),
+                            psram_used,
+                            sizeof(psram_used));
+        format_memory_value(stats.psram_total_bytes, psram_total, sizeof(psram_total));
+        std::snprintf(psram_text, sizeof(psram_text), "%s/%s", psram_used, psram_total);
+        ui::menu_layout::set_bottom_bar_psram_text(psram_text);
+        ui::menu_layout::set_bottom_bar_psram_visible(true);
+    }
+    else
+    {
+        ui::menu_layout::set_bottom_bar_psram_visible(false);
+    }
+}
+
 void showMainMenu()
 {
 #if defined(ESP_PLATFORM)
@@ -219,6 +296,7 @@ void refreshBatteryLabel()
     }
 
     updateWatchFaceTime();
+    refreshBottomBar();
 }
 
 void createTopBar()
@@ -277,6 +355,7 @@ void createTopBar()
     lv_obj_t* menu_route_icon = nullptr;
     lv_obj_t* menu_tracker_icon = nullptr;
     lv_obj_t* menu_gps_icon = nullptr;
+    lv_obj_t* menu_wifi_icon = nullptr;
     lv_obj_t* menu_team_icon = nullptr;
     lv_obj_t* menu_msg_icon = nullptr;
     lv_obj_t* menu_ble_icon = nullptr;
@@ -285,12 +364,14 @@ void createTopBar()
         menu_route_icon = lv_image_create(menu_status_row);
         menu_tracker_icon = lv_image_create(menu_status_row);
         menu_gps_icon = lv_image_create(menu_status_row);
+        menu_wifi_icon = lv_image_create(menu_status_row);
         menu_team_icon = lv_image_create(menu_status_row);
         menu_msg_icon = lv_image_create(menu_status_row);
         menu_ble_icon = lv_image_create(menu_status_row);
         lv_obj_add_flag(menu_route_icon, LV_OBJ_FLAG_HIDDEN);
         lv_obj_add_flag(menu_tracker_icon, LV_OBJ_FLAG_HIDDEN);
         lv_obj_add_flag(menu_gps_icon, LV_OBJ_FLAG_HIDDEN);
+        lv_obj_add_flag(menu_wifi_icon, LV_OBJ_FLAG_HIDDEN);
         lv_obj_add_flag(menu_team_icon, LV_OBJ_FLAG_HIDDEN);
         lv_obj_add_flag(menu_msg_icon, LV_OBJ_FLAG_HIDDEN);
         lv_obj_add_flag(menu_ble_icon, LV_OBJ_FLAG_HIDDEN);
@@ -301,7 +382,14 @@ void createTopBar()
     }
 
     ui::status::register_menu_status_row(
-        menu_status_row, menu_route_icon, menu_tracker_icon, menu_gps_icon, menu_team_icon, menu_msg_icon, menu_ble_icon);
+        menu_status_row,
+        menu_route_icon,
+        menu_tracker_icon,
+        menu_gps_icon,
+        menu_wifi_icon,
+        menu_team_icon,
+        menu_msg_icon,
+        menu_ble_icon);
 }
 
 void initWatchFace()
@@ -359,6 +447,7 @@ void init(lv_obj_t* screen_root, lv_obj_t* main_screen, lv_obj_t* menu_panel, co
     createTimers();
     refreshTimeLabel();
     refreshBatteryLabel();
+    refreshBottomBar();
     setScene(Scene::Menu);
 }
 
@@ -418,6 +507,7 @@ void setMenuActive(bool active)
     {
         refreshTimeLabel();
         refreshBatteryLabel();
+        refreshBottomBar();
     }
 }
 
diff --git a/modules/ui_shared/src/ui/runtime/memory_profile.cpp b/modules/ui_shared/src/ui/runtime/memory_profile.cpp
new file mode 100644
index 00000000..988d094e
--- /dev/null
+++ b/modules/ui_shared/src/ui/runtime/memory_profile.cpp
@@ -0,0 +1,65 @@
+#include "ui/runtime/memory_profile.h"
+
+namespace ui::runtime
+{
+namespace
+{
+
+MemoryProfile make_constrained_profile()
+{
+    MemoryProfile profile{};
+    profile.name = "constrained";
+    profile.kind = MemoryProfileKind::Constrained;
+    profile.max_locale_font_ram_bytes = 128U * 1024U;
+    profile.max_content_supplement_ram_bytes = 0;
+    profile.max_content_supplement_packs = 0;
+    profile.max_map_decode_tiles = 2;
+    profile.retain_map_decode_cache_on_page_exit = false;
+    return profile;
+}
+
+MemoryProfile make_standard_profile()
+{
+    MemoryProfile profile{};
+    profile.name = "standard";
+    profile.kind = MemoryProfileKind::Standard;
+    profile.max_locale_font_ram_bytes = 768U * 1024U;
+    profile.max_content_supplement_ram_bytes = 640U * 1024U;
+    profile.max_content_supplement_packs = 1;
+    profile.max_map_decode_tiles = 4;
+    profile.retain_map_decode_cache_on_page_exit = false;
+    return profile;
+}
+
+MemoryProfile make_extended_profile()
+{
+    MemoryProfile profile{};
+    profile.name = "extended";
+    profile.kind = MemoryProfileKind::Extended;
+    profile.max_locale_font_ram_bytes = 2U * 1024U * 1024U;
+    profile.max_content_supplement_ram_bytes = 2U * 1024U * 1024U;
+    profile.max_content_supplement_packs = 3;
+    profile.max_map_decode_tiles = 12;
+    profile.retain_map_decode_cache_on_page_exit = true;
+    return profile;
+}
+
+} // namespace
+
+const MemoryProfile& current_memory_profile()
+{
+    static const MemoryProfile profile = []()
+    {
+#if defined(TRAIL_MATE_ESP_BOARD_TAB5) || defined(TRAIL_MATE_ESP_BOARD_T_DISPLAY_P4)
+        return make_extended_profile();
+#elif defined(ARDUINO_T_DECK) || defined(ARDUINO_T_DECK_PRO)
+        return make_standard_profile();
+#else
+        return make_constrained_profile();
+#endif
+    }();
+
+    return profile;
+}
+
+} // namespace ui::runtime
diff --git a/modules/ui_shared/src/ui/runtime/pack_repository.cpp b/modules/ui_shared/src/ui/runtime/pack_repository.cpp
new file mode 100644
index 00000000..594c1d73
--- /dev/null
+++ b/modules/ui_shared/src/ui/runtime/pack_repository.cpp
@@ -0,0 +1,1578 @@
+#include "ui/runtime/pack_repository.h"
+
+#include <algorithm>
+#include <cctype>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "platform/ui/device_runtime.h"
+#include "platform/ui/wifi_runtime.h"
+#include "ui/localization.h"
+#include "ui/runtime/memory_profile.h"
+
+#if defined(ESP_PLATFORM) || defined(ARDUINO_ARCH_ESP32)
+
+#include "cJSON.h"
+#include "esp_err.h"
+#include "esp_heap_caps.h"
+#include "esp_http_client.h"
+#include "mbedtls/platform.h"
+#include "mbedtls/sha256.h"
+#ifdef INADDR_NONE
+#undef INADDR_NONE
+#endif
+#include "rom/miniz.h"
+
+#define UI_PACKS_HAVE_CRT_BUNDLE 1
+
+extern "C" esp_err_t esp_crt_bundle_attach(void* conf);
+
+#if defined(ARDUINO)
+#include <Arduino.h>
+#include <SD.h>
+#else
+#include "platform/esp/idf_common/bsp_runtime.h"
+#include <cerrno>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#endif
+
+namespace ui::runtime::packs
+{
+namespace
+{
+
+constexpr const char* kCatalogUrl = "https://vicliu624.github.io/trail-mate/data/packs.json";
+constexpr const char* kCatalogBaseUrl = "https://vicliu624.github.io/trail-mate";
+constexpr const char* kPackRoot = "/trailmate/packs";
+constexpr const char* kIndexDir = "/trailmate/packs/.index";
+constexpr const char* kTempDir = "/trailmate/packs/.index/tmp";
+constexpr const char* kInstalledIndexPath = "/trailmate/packs/.index/installed.json";
+constexpr int kHttpBufferSize = 1024;
+constexpr int kHttpTxBufferSize = 512;
+constexpr std::size_t kTlsLargeAllocThresholdBytes = 4096;
+constexpr std::size_t kZipEocdMinSize = 22;
+constexpr std::size_t kZipTailSearchMax = 0x10000 + kZipEocdMinSize;
+constexpr std::uint32_t kZipEocdSignature = 0x06054B50u;
+constexpr std::uint32_t kZipCentralSignature = 0x02014B50u;
+constexpr std::uint32_t kZipLocalSignature = 0x04034B50u;
+
+struct InstalledIndex
+{
+    std::vector<InstalledPackageRecord> packages;
+};
+
+void log_pack_memory_snapshot(const char* stage)
+{
+    std::printf("[Packs][TLS] %s ram_free=%u ram_largest=%u psram_free=%u psram_largest=%u\n",
+                stage ? stage : "state",
+                static_cast<unsigned>(
+                    heap_caps_get_free_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT)),
+                static_cast<unsigned>(
+                    heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT)),
+                static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_SPIRAM)),
+                static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_SPIRAM)));
+}
+
+// Arduino's prebuilt mbedTLS keeps 16 KB TLS record buffers, which can exhaust
+// internal RAM on ESP32 UI builds. Route large allocations to PSRAM first while
+// leaving small control allocations in internal RAM for lower latency.
+void* mbedtls_calloc_prefer_psram(std::size_t count, std::size_t size)
+{
+    if (count == 0 || size == 0)
+    {
+        return nullptr;
+    }
+    if (count > (static_cast<std::size_t>(-1) / size))
+    {
+        return nullptr;
+    }
+
+    const std::size_t bytes = count * size;
+    const bool prefer_psram =
+        heap_caps_get_total_size(MALLOC_CAP_SPIRAM) > 0 &&
+        bytes >= kTlsLargeAllocThresholdBytes;
+
+    const uint32_t primary_caps = prefer_psram ? (MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT)
+                                               : (MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
+    const uint32_t secondary_caps = prefer_psram ? (MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT)
+                                                 : (MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
+
+    return heap_caps_calloc_prefer(count, size, 2, primary_caps, secondary_caps);
+}
+
+void mbedtls_free_prefer_psram(void* ptr)
+{
+    heap_caps_free(ptr);
+}
+
+bool ensure_tls_allocator_configured()
+{
+    static bool attempted = false;
+    static bool configured = false;
+
+    if (attempted)
+    {
+        return configured;
+    }
+
+    attempted = true;
+    log_pack_memory_snapshot("before allocator config");
+    configured = mbedtls_platform_set_calloc_free(&mbedtls_calloc_prefer_psram,
+                                                  &mbedtls_free_prefer_psram) == 0;
+    std::printf("[Packs][TLS] allocator configured=%d threshold=%lu\n",
+                configured ? 1 : 0,
+                static_cast<unsigned long>(kTlsLargeAllocThresholdBytes));
+    log_pack_memory_snapshot("after allocator config");
+    return configured;
+}
+
+std::string lowercase_ascii(std::string value)
+{
+    for (char& ch : value)
+    {
+        ch = static_cast<char>(std::tolower(static_cast<unsigned char>(ch)));
+    }
+    return value;
+}
+
+bool starts_with(const std::string& value, const char* prefix)
+{
+    if (!prefix)
+    {
+        return false;
+    }
+    const std::size_t prefix_len = std::strlen(prefix);
+    return value.size() >= prefix_len && value.compare(0, prefix_len, prefix) == 0;
+}
+
+std::string trim_trailing_slash(std::string value)
+{
+    while (!value.empty() && value.back() == '/')
+    {
+        value.pop_back();
+    }
+    return value;
+}
+
+std::string join_url(const std::string& base, const std::string& path)
+{
+    if (path.empty())
+    {
+        return base;
+    }
+    if (starts_with(path, "http://") || starts_with(path, "https://"))
+    {
+        return path;
+    }
+    const std::string normalized_base = trim_trailing_slash(base);
+    if (path.front() == '/')
+    {
+        return normalized_base + path;
+    }
+    return normalized_base + "/" + path;
+}
+
+std::string active_memory_profile_name()
+{
+    const ui::runtime::MemoryProfile& profile = ui::runtime::current_memory_profile();
+    return profile.name ? profile.name : "";
+}
+
+struct ParsedVersion
+{
+    int major = 0;
+    int minor = 0;
+    int patch = 0;
+    std::string prerelease;
+};
+
+ParsedVersion parse_version(const std::string& text)
+{
+    ParsedVersion version{};
+    if (text.empty())
+    {
+        return version;
+    }
+
+    std::string numeric = text;
+    const std::size_t dash = numeric.find('-');
+    if (dash != std::string::npos)
+    {
+        version.prerelease = numeric.substr(dash + 1);
+        numeric = numeric.substr(0, dash);
+    }
+
+    int parts[3] = {0, 0, 0};
+    std::size_t part_index = 0;
+    std::size_t start = 0;
+    while (start <= numeric.size() && part_index < 3)
+    {
+        const std::size_t end = numeric.find('.', start);
+        const std::string token = numeric.substr(
+            start,
+            end == std::string::npos ? std::string::npos : (end - start));
+        if (!token.empty())
+        {
+            parts[part_index] = std::atoi(token.c_str());
+        }
+        ++part_index;
+        if (end == std::string::npos)
+        {
+            break;
+        }
+        start = end + 1;
+    }
+
+    version.major = parts[0];
+    version.minor = parts[1];
+    version.patch = parts[2];
+    return version;
+}
+
+int compare_versions(const std::string& lhs, const std::string& rhs)
+{
+    const ParsedVersion left = parse_version(lhs);
+    const ParsedVersion right = parse_version(rhs);
+
+    if (left.major != right.major)
+    {
+        return left.major < right.major ? -1 : 1;
+    }
+    if (left.minor != right.minor)
+    {
+        return left.minor < right.minor ? -1 : 1;
+    }
+    if (left.patch != right.patch)
+    {
+        return left.patch < right.patch ? -1 : 1;
+    }
+    if (left.prerelease == right.prerelease)
+    {
+        return 0;
+    }
+    if (left.prerelease.empty())
+    {
+        return 1;
+    }
+    if (right.prerelease.empty())
+    {
+        return -1;
+    }
+    return left.prerelease < right.prerelease ? -1 : 1;
+}
+
+#if defined(ARDUINO)
+
+bool ensure_dir_recursive(const std::string& logical_dir)
+{
+    if (logical_dir.empty())
+    {
+        return false;
+    }
+
+    std::string current;
+    for (char ch : logical_dir)
+    {
+        current.push_back(ch);
+        if (ch != '/')
+        {
+            continue;
+        }
+        if (!current.empty() && !SD.exists(current.c_str()))
+        {
+            if (!SD.mkdir(current.c_str()))
+            {
+                return false;
+            }
+        }
+    }
+
+    if (!SD.exists(logical_dir.c_str()))
+    {
+        return SD.mkdir(logical_dir.c_str());
+    }
+    return true;
+}
+
+bool logical_file_exists(const std::string& logical_path)
+{
+    return SD.exists(logical_path.c_str());
+}
+
+bool write_binary_file(const std::string& logical_path, const void* data, std::size_t len)
+{
+    const std::size_t slash = logical_path.find_last_of('/');
+    if (slash != std::string::npos)
+    {
+        if (!ensure_dir_recursive(logical_path.substr(0, slash)))
+        {
+            return false;
+        }
+    }
+
+    if (SD.exists(logical_path.c_str()))
+    {
+        (void)SD.remove(logical_path.c_str());
+    }
+
+    File file = SD.open(logical_path.c_str(), FILE_WRITE);
+    if (!file)
+    {
+        return false;
+    }
+
+    const std::size_t written = file.write(static_cast<const std::uint8_t*>(data), len);
+    file.close();
+    return written == len;
+}
+
+bool write_text_file(const std::string& logical_path, const std::string& text)
+{
+    return write_binary_file(logical_path, text.data(), text.size());
+}
+
+bool read_binary_file(const std::string& logical_path, std::vector<std::uint8_t>& out)
+{
+    out.clear();
+    File file = SD.open(logical_path.c_str(), FILE_READ);
+    if (!file)
+    {
+        return false;
+    }
+
+    const std::size_t size = static_cast<std::size_t>(file.size());
+    out.resize(size);
+    const std::size_t read = file.read(out.data(), size);
+    file.close();
+    if (read != size)
+    {
+        out.clear();
+        return false;
+    }
+    return true;
+}
+
+bool read_text_file(const std::string& logical_path, std::string& out)
+{
+    std::vector<std::uint8_t> bytes;
+    if (!read_binary_file(logical_path, bytes))
+    {
+        out.clear();
+        return false;
+    }
+    out.assign(reinterpret_cast<const char*>(bytes.data()), bytes.size());
+    return true;
+}
+
+bool remove_file_if_exists(const std::string& logical_path)
+{
+    if (!SD.exists(logical_path.c_str()))
+    {
+        return true;
+    }
+    return SD.remove(logical_path.c_str());
+}
+
+class RandomAccessFile
+{
+  public:
+    bool open(const std::string& logical_path)
+    {
+        file_ = SD.open(logical_path.c_str(), FILE_READ);
+        return static_cast<bool>(file_);
+    }
+
+    void close()
+    {
+        if (file_)
+        {
+            file_.close();
+        }
+    }
+
+    std::size_t size() const
+    {
+        return file_ ? static_cast<std::size_t>(file_.size()) : 0;
+    }
+
+    bool read_at(std::size_t offset, void* out, std::size_t len)
+    {
+        if (!file_ || !file_.seek(offset))
+        {
+            return false;
+        }
+        return static_cast<std::size_t>(file_.read(static_cast<std::uint8_t*>(out), len)) == len;
+    }
+
+  private:
+    File file_{};
+};
+
+class SequentialWriteFile
+{
+  public:
+    bool open(const std::string& logical_path)
+    {
+        const std::size_t slash = logical_path.find_last_of('/');
+        if (slash != std::string::npos)
+        {
+            if (!ensure_dir_recursive(logical_path.substr(0, slash)))
+            {
+                return false;
+            }
+        }
+        if (SD.exists(logical_path.c_str()))
+        {
+            (void)SD.remove(logical_path.c_str());
+        }
+        file_ = SD.open(logical_path.c_str(), FILE_WRITE);
+        return static_cast<bool>(file_);
+    }
+
+    bool write(const void* data, std::size_t len)
+    {
+        return file_ && static_cast<std::size_t>(file_.write(static_cast<const std::uint8_t*>(data), len)) == len;
+    }
+
+    void close()
+    {
+        if (file_)
+        {
+            file_.close();
+        }
+    }
+
+  private:
+    File file_{};
+};
+
+#else
+
+std::string host_path(const std::string& logical_path)
+{
+    return std::string(platform::esp::idf_common::bsp_runtime::sdcard_mount_point()) + logical_path;
+}
+
+bool ensure_dir_recursive(const std::string& logical_dir)
+{
+    if (logical_dir.empty())
+    {
+        return false;
+    }
+
+    std::string host_dir = host_path(logical_dir);
+    std::string current;
+    for (char ch : host_dir)
+    {
+        current.push_back(ch);
+        if (ch != '/')
+        {
+            continue;
+        }
+        if (current.size() <= 1)
+        {
+            continue;
+        }
+        if (::mkdir(current.c_str(), 0775) != 0 && errno != EEXIST)
+        {
+            return false;
+        }
+    }
+
+    return ::mkdir(host_dir.c_str(), 0775) == 0 || errno == EEXIST;
+}
+
+bool logical_file_exists(const std::string& logical_path)
+{
+    struct stat st
+    {
+    };
+    return ::stat(host_path(logical_path).c_str(), &st) == 0 && S_ISREG(st.st_mode);
+}
+
+bool write_binary_file(const std::string& logical_path, const void* data, std::size_t len)
+{
+    const std::size_t slash = logical_path.find_last_of('/');
+    if (slash != std::string::npos)
+    {
+        if (!ensure_dir_recursive(logical_path.substr(0, slash)))
+        {
+            return false;
+        }
+    }
+
+    FILE* file = std::fopen(host_path(logical_path).c_str(), "wb");
+    if (!file)
+    {
+        return false;
+    }
+    const std::size_t written = std::fwrite(data, 1, len, file);
+    std::fclose(file);
+    return written == len;
+}
+
+bool write_text_file(const std::string& logical_path, const std::string& text)
+{
+    return write_binary_file(logical_path, text.data(), text.size());
+}
+
+bool read_binary_file(const std::string& logical_path, std::vector<std::uint8_t>& out)
+{
+    out.clear();
+    FILE* file = std::fopen(host_path(logical_path).c_str(), "rb");
+    if (!file)
+    {
+        return false;
+    }
+
+    if (std::fseek(file, 0, SEEK_END) != 0)
+    {
+        std::fclose(file);
+        return false;
+    }
+    const long file_size = std::ftell(file);
+    if (file_size < 0)
+    {
+        std::fclose(file);
+        return false;
+    }
+    if (std::fseek(file, 0, SEEK_SET) != 0)
+    {
+        std::fclose(file);
+        return false;
+    }
+
+    out.resize(static_cast<std::size_t>(file_size));
+    const std::size_t read = std::fread(out.data(), 1, out.size(), file);
+    std::fclose(file);
+    if (read != out.size())
+    {
+        out.clear();
+        return false;
+    }
+    return true;
+}
+
+bool read_text_file(const std::string& logical_path, std::string& out)
+{
+    std::vector<std::uint8_t> bytes;
+    if (!read_binary_file(logical_path, bytes))
+    {
+        out.clear();
+        return false;
+    }
+    out.assign(reinterpret_cast<const char*>(bytes.data()), bytes.size());
+    return true;
+}
+
+bool remove_file_if_exists(const std::string& logical_path)
+{
+    if (!logical_file_exists(logical_path))
+    {
+        return true;
+    }
+    return std::remove(host_path(logical_path).c_str()) == 0;
+}
+
+class RandomAccessFile
+{
+  public:
+    bool open(const std::string& logical_path)
+    {
+        file_ = std::fopen(host_path(logical_path).c_str(), "rb");
+        if (!file_)
+        {
+            return false;
+        }
+        if (std::fseek(file_, 0, SEEK_END) != 0)
+        {
+            std::fclose(file_);
+            file_ = nullptr;
+            return false;
+        }
+        const long len = std::ftell(file_);
+        if (len < 0)
+        {
+            std::fclose(file_);
+            file_ = nullptr;
+            return false;
+        }
+        size_ = static_cast<std::size_t>(len);
+        return std::fseek(file_, 0, SEEK_SET) == 0;
+    }
+
+    void close()
+    {
+        if (file_)
+        {
+            std::fclose(file_);
+            file_ = nullptr;
+            size_ = 0;
+        }
+    }
+
+    std::size_t size() const
+    {
+        return size_;
+    }
+
+    bool read_at(std::size_t offset, void* out, std::size_t len)
+    {
+        if (!file_ || std::fseek(file_, static_cast<long>(offset), SEEK_SET) != 0)
+        {
+            return false;
+        }
+        return std::fread(out, 1, len, file_) == len;
+    }
+
+  private:
+    FILE* file_ = nullptr;
+    std::size_t size_ = 0;
+};
+
+class SequentialWriteFile
+{
+  public:
+    bool open(const std::string& logical_path)
+    {
+        const std::size_t slash = logical_path.find_last_of('/');
+        if (slash != std::string::npos)
+        {
+            if (!ensure_dir_recursive(logical_path.substr(0, slash)))
+            {
+                return false;
+            }
+        }
+        file_ = std::fopen(host_path(logical_path).c_str(), "wb");
+        return file_ != nullptr;
+    }
+
+    bool write(const void* data, std::size_t len)
+    {
+        return file_ && std::fwrite(data, 1, len, file_) == len;
+    }
+
+    void close()
+    {
+        if (file_)
+        {
+            std::fclose(file_);
+            file_ = nullptr;
+        }
+    }
+
+  private:
+    FILE* file_ = nullptr;
+};
+
+#endif
+
+std::uint16_t read_le16(const std::uint8_t* ptr)
+{
+    return static_cast<std::uint16_t>(ptr[0]) |
+           (static_cast<std::uint16_t>(ptr[1]) << 8);
+}
+
+std::uint32_t read_le32(const std::uint8_t* ptr)
+{
+    return static_cast<std::uint32_t>(ptr[0]) |
+           (static_cast<std::uint32_t>(ptr[1]) << 8) |
+           (static_cast<std::uint32_t>(ptr[2]) << 16) |
+           (static_cast<std::uint32_t>(ptr[3]) << 24);
+}
+
+void configure_http_client(esp_http_client_config_t& config, const std::string& url)
+{
+    (void)ensure_tls_allocator_configured();
+    config = esp_http_client_config_t{};
+    config.url = url.c_str();
+    config.method = HTTP_METHOD_GET;
+    config.timeout_ms = 30000;
+    config.disable_auto_redirect = false;
+    config.buffer_size = kHttpBufferSize;
+    config.buffer_size_tx = kHttpTxBufferSize;
+#if UI_PACKS_HAVE_CRT_BUNDLE
+    config.crt_bundle_attach = esp_crt_bundle_attach;
+#endif
+}
+
+bool http_get_text(const std::string& url, std::string& out, std::string& out_error)
+{
+    out.clear();
+    out_error.clear();
+
+    esp_http_client_config_t config{};
+    configure_http_client(config, url);
+
+    esp_http_client_handle_t client = esp_http_client_init(&config);
+    if (client == nullptr)
+    {
+        out_error = "Create HTTP client failed";
+        return false;
+    }
+
+    bool ok = false;
+    if (esp_http_client_open(client, 0) == ESP_OK)
+    {
+        if (esp_http_client_fetch_headers(client) >= 0)
+        {
+            const int status_code = esp_http_client_get_status_code(client);
+            if (status_code < 200 || status_code >= 300)
+            {
+                char buffer[64];
+                std::snprintf(buffer, sizeof(buffer), "Catalog HTTP %d", status_code);
+                out_error = buffer;
+            }
+            else
+            {
+                char buffer[kHttpBufferSize];
+                while (true)
+                {
+                    const int read = esp_http_client_read(client, buffer, sizeof(buffer));
+                    if (read < 0)
+                    {
+                        out_error = "Read catalog failed";
+                        break;
+                    }
+                    if (read == 0)
+                    {
+                        ok = true;
+                        break;
+                    }
+                    out.append(buffer, static_cast<std::size_t>(read));
+                }
+            }
+        }
+        else
+        {
+            out_error = "Fetch catalog headers failed";
+        }
+    }
+    else
+    {
+        log_pack_memory_snapshot("catalog open failed");
+        out_error = "Open catalog request failed";
+    }
+
+    esp_http_client_close(client);
+    esp_http_client_cleanup(client);
+    return ok;
+}
+
+bool http_download_file(const std::string& url,
+                        const std::string& logical_path,
+                        std::string& out_error)
+{
+    out_error.clear();
+
+    const std::size_t slash = logical_path.find_last_of('/');
+    if (slash != std::string::npos)
+    {
+        if (!ensure_dir_recursive(logical_path.substr(0, slash)))
+        {
+            out_error = "Create temp directory failed";
+            return false;
+        }
+    }
+
+    SequentialWriteFile file;
+    if (!file.open(logical_path))
+    {
+        out_error = "Open destination file failed";
+        return false;
+    }
+
+    esp_http_client_config_t config{};
+    configure_http_client(config, url);
+
+    esp_http_client_handle_t client = esp_http_client_init(&config);
+    if (client == nullptr)
+    {
+        file.close();
+        out_error = "Create download client failed";
+        return false;
+    }
+
+    bool ok = false;
+    if (esp_http_client_open(client, 0) == ESP_OK)
+    {
+        if (esp_http_client_fetch_headers(client) >= 0)
+        {
+            const int status_code = esp_http_client_get_status_code(client);
+            if (status_code < 200 || status_code >= 300)
+            {
+                char buffer[64];
+                std::snprintf(buffer, sizeof(buffer), "Download HTTP %d", status_code);
+                out_error = buffer;
+            }
+            else
+            {
+                std::uint8_t buffer[kHttpBufferSize];
+                while (true)
+                {
+                    const int read = esp_http_client_read(client,
+                                                          reinterpret_cast<char*>(buffer),
+                                                          sizeof(buffer));
+                    if (read < 0)
+                    {
+                        out_error = "Download read failed";
+                        break;
+                    }
+                    if (read == 0)
+                    {
+                        ok = true;
+                        break;
+                    }
+                    if (!file.write(buffer, static_cast<std::size_t>(read)))
+                    {
+                        out_error = "Write download file failed";
+                        break;
+                    }
+                }
+            }
+        }
+        else
+        {
+            out_error = "Fetch download headers failed";
+        }
+    }
+    else
+    {
+        log_pack_memory_snapshot("download open failed");
+        out_error = "Open download request failed";
+    }
+
+    file.close();
+    esp_http_client_close(client);
+    esp_http_client_cleanup(client);
+
+    if (!ok)
+    {
+        (void)remove_file_if_exists(logical_path);
+    }
+    return ok;
+}
+
+std::string sha256_hex_of_bytes(const std::uint8_t* data, std::size_t len)
+{
+    unsigned char hash[32];
+    mbedtls_sha256_context ctx;
+    mbedtls_sha256_init(&ctx);
+    mbedtls_sha256_starts_ret(&ctx, 0);
+    mbedtls_sha256_update_ret(&ctx, data, len);
+    mbedtls_sha256_finish_ret(&ctx, hash);
+    mbedtls_sha256_free(&ctx);
+
+    char hex[65];
+    for (int i = 0; i < 32; ++i)
+    {
+        std::snprintf(hex + (i * 2), 3, "%02x", hash[i]);
+    }
+    hex[64] = '\0';
+    return hex;
+}
+
+bool sha256_file(const std::string& logical_path, std::string& out_hex)
+{
+    std::vector<std::uint8_t> data;
+    if (!read_binary_file(logical_path, data))
+    {
+        out_hex.clear();
+        return false;
+    }
+    out_hex = sha256_hex_of_bytes(data.data(), data.size());
+    return true;
+}
+
+cJSON* parse_json_document(const std::string& text)
+{
+    return cJSON_ParseWithLength(text.c_str(), text.size());
+}
+
+std::string json_string(cJSON* object, const char* key)
+{
+    if (!object || !key)
+    {
+        return {};
+    }
+    cJSON* item = cJSON_GetObjectItemCaseSensitive(object, key);
+    return cJSON_IsString(item) && item->valuestring ? item->valuestring : "";
+}
+
+std::size_t json_size_t(cJSON* object, const char* key)
+{
+    if (!object || !key)
+    {
+        return 0;
+    }
+    cJSON* item = cJSON_GetObjectItemCaseSensitive(object, key);
+    if (!cJSON_IsNumber(item))
+    {
+        return 0;
+    }
+    return static_cast<std::size_t>(item->valuedouble);
+}
+
+std::uint64_t json_u64(cJSON* object, const char* key)
+{
+    if (!object || !key)
+    {
+        return 0;
+    }
+    cJSON* item = cJSON_GetObjectItemCaseSensitive(object, key);
+    if (!cJSON_IsNumber(item))
+    {
+        return 0;
+    }
+    return static_cast<std::uint64_t>(item->valuedouble);
+}
+
+std::vector<std::string> json_string_array(cJSON* object, const char* key)
+{
+    std::vector<std::string> out;
+    if (!object || !key)
+    {
+        return out;
+    }
+
+    cJSON* array = cJSON_GetObjectItemCaseSensitive(object, key);
+    if (!cJSON_IsArray(array))
+    {
+        return out;
+    }
+
+    cJSON* item = nullptr;
+    cJSON_ArrayForEach(item, array)
+    {
+        if (cJSON_IsString(item) && item->valuestring)
+        {
+            out.emplace_back(item->valuestring);
+        }
+    }
+    return out;
+}
+
+void collect_provided_ids(cJSON* provides,
+                          const char* group_key,
+                          const char* id_key,
+                          std::vector<std::string>& out)
+{
+    out.clear();
+    if (!provides || !group_key || !id_key)
+    {
+        return;
+    }
+
+    cJSON* array = cJSON_GetObjectItemCaseSensitive(provides, group_key);
+    if (!cJSON_IsArray(array))
+    {
+        return;
+    }
+
+    cJSON* item = nullptr;
+    cJSON_ArrayForEach(item, array)
+    {
+        const std::string id = json_string(item, id_key);
+        if (!id.empty())
+        {
+            out.push_back(id);
+        }
+    }
+}
+
+bool compatible_with_profile(const PackageRecord& package)
+{
+    if (package.supported_memory_profiles.empty())
+    {
+        return true;
+    }
+    const std::string current = lowercase_ascii(active_memory_profile_name());
+    for (const std::string& profile : package.supported_memory_profiles)
+    {
+        if (lowercase_ascii(profile) == current)
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool compatible_with_firmware(const PackageRecord& package)
+{
+    if (package.min_firmware_version.empty())
+    {
+        return true;
+    }
+    return compare_versions(platform::ui::device::firmware_version(),
+                            package.min_firmware_version) >= 0;
+}
+
+bool load_installed_index(InstalledIndex& out_index, std::string& out_error)
+{
+    out_index = InstalledIndex{};
+    out_error.clear();
+
+    if (!logical_file_exists(kInstalledIndexPath))
+    {
+        return true;
+    }
+
+    std::string text;
+    if (!read_text_file(kInstalledIndexPath, text))
+    {
+        out_error = "Read installed index failed";
+        return false;
+    }
+
+    cJSON* root = parse_json_document(text);
+    if (!root)
+    {
+        out_error = "Parse installed index failed";
+        return false;
+    }
+
+    cJSON* packages = cJSON_GetObjectItemCaseSensitive(root, "packages");
+    if (cJSON_IsArray(packages))
+    {
+        cJSON* item = nullptr;
+        cJSON_ArrayForEach(item, packages)
+        {
+            InstalledPackageRecord record{};
+            record.id = json_string(item, "id");
+            record.version = json_string(item, "version");
+            record.archive_sha256 = json_string(item, "archive_sha256");
+            record.installed_at_epoch = json_u64(item, "installed_at_epoch");
+            if (!record.id.empty())
+            {
+                out_index.packages.push_back(std::move(record));
+            }
+        }
+    }
+
+    cJSON_Delete(root);
+    return true;
+}
+
+bool save_installed_index(const InstalledIndex& index, std::string& out_error)
+{
+    out_error.clear();
+    if (!ensure_dir_recursive(kIndexDir))
+    {
+        out_error = "Create index directory failed";
+        return false;
+    }
+
+    cJSON* root = cJSON_CreateObject();
+    cJSON_AddNumberToObject(root, "schema_version", 1);
+    cJSON* packages = cJSON_AddArrayToObject(root, "packages");
+    for (const InstalledPackageRecord& record : index.packages)
+    {
+        cJSON* item = cJSON_CreateObject();
+        cJSON_AddStringToObject(item, "id", record.id.c_str());
+        cJSON_AddStringToObject(item, "version", record.version.c_str());
+        cJSON_AddStringToObject(item, "archive_sha256", record.archive_sha256.c_str());
+        cJSON_AddNumberToObject(item,
+                                "installed_at_epoch",
+                                static_cast<double>(record.installed_at_epoch));
+        cJSON_AddItemToArray(packages, item);
+    }
+
+    char* text = cJSON_Print(root);
+    cJSON_Delete(root);
+    if (!text)
+    {
+        out_error = "Serialize installed index failed";
+        return false;
+    }
+
+    std::string output(text);
+    cJSON_free(text);
+    if (!write_text_file(kInstalledIndexPath, output))
+    {
+        out_error = "Write installed index failed";
+        return false;
+    }
+    return true;
+}
+
+bool read_zip_tail(RandomAccessFile& file,
+                   std::vector<std::uint8_t>& out_tail)
+{
+    const std::size_t size = file.size();
+    if (size < kZipEocdMinSize)
+    {
+        return false;
+    }
+
+    const std::size_t tail_size = std::min(size, kZipTailSearchMax);
+    out_tail.resize(tail_size);
+    return file.read_at(size - tail_size, out_tail.data(), tail_size);
+}
+
+struct ZipEntry
+{
+    std::string name;
+    std::uint16_t method = 0;
+    std::uint32_t compressed_size = 0;
+    std::uint32_t uncompressed_size = 0;
+    std::uint32_t local_header_offset = 0;
+};
+
+bool enumerate_zip_entries(RandomAccessFile& file,
+                           std::vector<ZipEntry>& out_entries,
+                           std::string& out_error)
+{
+    out_entries.clear();
+    out_error.clear();
+
+    std::vector<std::uint8_t> tail;
+    if (!read_zip_tail(file, tail))
+    {
+        out_error = "Read zip tail failed";
+        return false;
+    }
+
+    std::size_t eocd_offset = std::string::npos;
+    for (std::size_t i = tail.size() - kZipEocdMinSize + 1; i > 0; --i)
+    {
+        const std::size_t pos = i - 1;
+        if (read_le32(&tail[pos]) == kZipEocdSignature)
+        {
+            eocd_offset = pos;
+            break;
+        }
+    }
+    if (eocd_offset == std::string::npos)
+    {
+        out_error = "Zip EOCD not found";
+        return false;
+    }
+
+    const std::uint16_t entry_count = read_le16(&tail[eocd_offset + 10]);
+    const std::uint32_t central_size = read_le32(&tail[eocd_offset + 12]);
+    const std::uint32_t central_offset = read_le32(&tail[eocd_offset + 16]);
+
+    std::vector<std::uint8_t> central(central_size);
+    if (!file.read_at(central_offset, central.data(), central.size()))
+    {
+        out_error = "Read zip central directory failed";
+        return false;
+    }
+
+    std::size_t offset = 0;
+    for (std::uint16_t entry_index = 0; entry_index < entry_count; ++entry_index)
+    {
+        if (offset + 46 > central.size() || read_le32(&central[offset]) != kZipCentralSignature)
+        {
+            out_error = "Zip central entry invalid";
+            return false;
+        }
+
+        const std::uint16_t method = read_le16(&central[offset + 10]);
+        const std::uint32_t compressed_size = read_le32(&central[offset + 20]);
+        const std::uint32_t uncompressed_size = read_le32(&central[offset + 24]);
+        const std::uint16_t name_len = read_le16(&central[offset + 28]);
+        const std::uint16_t extra_len = read_le16(&central[offset + 30]);
+        const std::uint16_t comment_len = read_le16(&central[offset + 32]);
+        const std::uint32_t local_offset = read_le32(&central[offset + 42]);
+        if (offset + 46 + name_len + extra_len + comment_len > central.size())
+        {
+            out_error = "Zip central entry truncated";
+            return false;
+        }
+
+        ZipEntry entry{};
+        entry.name.assign(reinterpret_cast<const char*>(&central[offset + 46]), name_len);
+        entry.method = method;
+        entry.compressed_size = compressed_size;
+        entry.uncompressed_size = uncompressed_size;
+        entry.local_header_offset = local_offset;
+        out_entries.push_back(std::move(entry));
+
+        offset += 46 + name_len + extra_len + comment_len;
+    }
+
+    return true;
+}
+
+bool extract_zip_payload(const std::string& logical_zip_path, std::string& out_error)
+{
+    out_error.clear();
+
+    RandomAccessFile file;
+    if (!file.open(logical_zip_path))
+    {
+        out_error = "Open zip file failed";
+        return false;
+    }
+
+    std::vector<ZipEntry> entries;
+    if (!enumerate_zip_entries(file, entries, out_error))
+    {
+        file.close();
+        return false;
+    }
+
+    for (const ZipEntry& entry : entries)
+    {
+        if (!starts_with(entry.name, "payload/"))
+        {
+            continue;
+        }
+
+        const std::string logical_target = std::string(kPackRoot) + "/" + entry.name.substr(8);
+        if (!entry.name.empty() && entry.name.back() == '/')
+        {
+            if (!ensure_dir_recursive(logical_target))
+            {
+                out_error = "Create payload directory failed";
+                file.close();
+                return false;
+            }
+            continue;
+        }
+
+        std::uint8_t local_header[30];
+        if (!file.read_at(entry.local_header_offset, local_header, sizeof(local_header)) ||
+            read_le32(local_header) != kZipLocalSignature)
+        {
+            out_error = "Read zip local header failed";
+            file.close();
+            return false;
+        }
+
+        const std::uint16_t name_len = read_le16(&local_header[26]);
+        const std::uint16_t extra_len = read_le16(&local_header[28]);
+        const std::size_t data_offset =
+            static_cast<std::size_t>(entry.local_header_offset) + 30U + name_len + extra_len;
+
+        std::vector<std::uint8_t> compressed(entry.compressed_size);
+        if (!compressed.empty() &&
+            !file.read_at(data_offset, compressed.data(), compressed.size()))
+        {
+            out_error = "Read zip entry data failed";
+            file.close();
+            return false;
+        }
+
+        std::vector<std::uint8_t> output;
+        if (entry.method == 0)
+        {
+            output = std::move(compressed);
+        }
+        else if (entry.method == 8)
+        {
+            output.resize(entry.uncompressed_size);
+            const std::size_t actual =
+                tinfl_decompress_mem_to_mem(output.data(),
+                                            output.size(),
+                                            compressed.data(),
+                                            compressed.size(),
+                                            0);
+            if (actual == TINFL_DECOMPRESS_MEM_TO_MEM_FAILED || actual != output.size())
+            {
+                out_error = "Inflate zip entry failed";
+                file.close();
+                return false;
+            }
+        }
+        else
+        {
+            out_error = "Unsupported zip compression";
+            file.close();
+            return false;
+        }
+
+        if (!write_binary_file(logical_target, output.data(), output.size()))
+        {
+            out_error = "Write extracted payload failed";
+            file.close();
+            return false;
+        }
+    }
+
+    file.close();
+    return true;
+}
+
+void merge_installed_state(const std::vector<InstalledPackageRecord>& installed,
+                           std::vector<PackageRecord>& packages)
+{
+    for (PackageRecord& package : packages)
+    {
+        for (const InstalledPackageRecord& record : installed)
+        {
+            if (record.id != package.id)
+            {
+                continue;
+            }
+            package.installed = true;
+            package.installed_record = record;
+            package.update_available =
+                record.version != package.version ||
+                lowercase_ascii(record.archive_sha256) != lowercase_ascii(package.archive_sha256);
+            break;
+        }
+    }
+}
+
+} // namespace
+
+bool is_supported()
+{
+    return platform::ui::device::card_ready();
+}
+
+bool load_installed_packages(std::vector<InstalledPackageRecord>& out_installed, std::string& out_error)
+{
+    InstalledIndex index;
+    if (!load_installed_index(index, out_error))
+    {
+        out_installed.clear();
+        return false;
+    }
+    out_installed = index.packages;
+    return true;
+}
+
+bool fetch_catalog(std::vector<PackageRecord>& out_packages, std::string& out_error)
+{
+    out_packages.clear();
+    out_error.clear();
+
+    const platform::ui::wifi::Status wifi_status = platform::ui::wifi::status();
+    if (!wifi_status.supported)
+    {
+        out_error = "Wi-Fi unsupported";
+        return false;
+    }
+    if (!wifi_status.connected)
+    {
+        out_error = "Connect Wi-Fi in Settings first";
+        return false;
+    }
+
+    std::string text;
+    if (!http_get_text(kCatalogUrl, text, out_error))
+    {
+        return false;
+    }
+
+    cJSON* root = parse_json_document(text);
+    if (!root)
+    {
+        out_error = "Parse remote catalog failed";
+        return false;
+    }
+
+    cJSON* packages = cJSON_GetObjectItemCaseSensitive(root, "packages");
+    if (!cJSON_IsArray(packages))
+    {
+        cJSON_Delete(root);
+        out_error = "Remote catalog packages missing";
+        return false;
+    }
+
+    cJSON* item = nullptr;
+    cJSON_ArrayForEach(item, packages)
+    {
+        PackageRecord package{};
+        package.id = json_string(item, "id");
+        package.package_type = json_string(item, "package_type");
+        package.version = json_string(item, "version");
+        package.display_name = json_string(item, "display_name");
+        package.summary = json_string(item, "summary");
+        package.description = json_string(item, "description");
+        package.author = json_string(item, "author");
+        package.homepage = json_string(item, "homepage");
+        package.min_firmware_version = json_string(item, "min_firmware_version");
+        package.supported_memory_profiles = json_string_array(item, "supported_memory_profiles");
+        package.tags = json_string_array(item, "tags");
+
+        cJSON* runtime = cJSON_GetObjectItemCaseSensitive(item, "runtime");
+        package.estimated_unique_font_ram_bytes =
+            json_size_t(runtime, "estimated_unique_font_ram_bytes");
+
+        cJSON* archive = cJSON_GetObjectItemCaseSensitive(item, "archive");
+        package.archive_path = json_string(archive, "path");
+        package.archive_size_bytes = json_size_t(archive, "size_bytes");
+        package.archive_sha256 = json_string(archive, "sha256");
+        package.download_url = join_url(kCatalogBaseUrl, package.archive_path);
+
+        cJSON* provides = cJSON_GetObjectItemCaseSensitive(item, "provides");
+        collect_provided_ids(provides, "locales", "id", package.provided_locale_ids);
+        collect_provided_ids(provides, "fonts", "id", package.provided_font_ids);
+        collect_provided_ids(provides, "ime", "id", package.provided_ime_ids);
+
+        package.compatible_memory_profile = compatible_with_profile(package);
+        package.compatible_firmware = compatible_with_firmware(package);
+
+        if (!package.id.empty())
+        {
+            out_packages.push_back(std::move(package));
+        }
+    }
+
+    cJSON_Delete(root);
+
+    std::vector<InstalledPackageRecord> installed;
+    std::string installed_error;
+    if (load_installed_packages(installed, installed_error))
+    {
+        merge_installed_state(installed, out_packages);
+    }
+
+    std::sort(out_packages.begin(),
+              out_packages.end(),
+              [](const PackageRecord& lhs, const PackageRecord& rhs)
+              {
+                  return lowercase_ascii(lhs.display_name) < lowercase_ascii(rhs.display_name);
+              });
+    return true;
+}
+
+bool install_package(const PackageRecord& package, std::string& out_error)
+{
+    out_error.clear();
+
+    if (package.id.empty() || package.download_url.empty())
+    {
+        out_error = "Package metadata is incomplete";
+        return false;
+    }
+
+    const platform::ui::wifi::Status wifi_status = platform::ui::wifi::status();
+    if (!wifi_status.connected)
+    {
+        out_error = "Wi-Fi is not connected";
+        return false;
+    }
+    if (!platform::ui::device::card_ready())
+    {
+        out_error = "SD card is not ready";
+        return false;
+    }
+
+    if (!ensure_dir_recursive(kPackRoot) ||
+        !ensure_dir_recursive(kIndexDir) ||
+        !ensure_dir_recursive(kTempDir))
+    {
+        out_error = "Create pack directories failed";
+        return false;
+    }
+
+    const std::string temp_zip_path = std::string(kTempDir) + "/" + package.id + "-" + package.version + ".zip";
+    if (!http_download_file(package.download_url, temp_zip_path, out_error))
+    {
+        return false;
+    }
+
+    std::string archive_sha256;
+    if (!sha256_file(temp_zip_path, archive_sha256))
+    {
+        (void)remove_file_if_exists(temp_zip_path);
+        out_error = "Hash downloaded archive failed";
+        return false;
+    }
+    if (!package.archive_sha256.empty() &&
+        lowercase_ascii(archive_sha256) != lowercase_ascii(package.archive_sha256))
+    {
+        (void)remove_file_if_exists(temp_zip_path);
+        out_error = "Archive SHA256 mismatch";
+        return false;
+    }
+
+    if (!extract_zip_payload(temp_zip_path, out_error))
+    {
+        (void)remove_file_if_exists(temp_zip_path);
+        return false;
+    }
+
+    InstalledIndex index;
+    std::string index_error;
+    if (!load_installed_index(index, index_error))
+    {
+        (void)remove_file_if_exists(temp_zip_path);
+        out_error = index_error;
+        return false;
+    }
+
+    bool updated = false;
+    for (InstalledPackageRecord& record : index.packages)
+    {
+        if (record.id != package.id)
+        {
+            continue;
+        }
+        record.version = package.version;
+        record.archive_sha256 = archive_sha256;
+        record.installed_at_epoch = static_cast<std::uint64_t>(std::time(nullptr));
+        updated = true;
+        break;
+    }
+
+    if (!updated)
+    {
+        InstalledPackageRecord record{};
+        record.id = package.id;
+        record.version = package.version;
+        record.archive_sha256 = archive_sha256;
+        record.installed_at_epoch = static_cast<std::uint64_t>(std::time(nullptr));
+        index.packages.push_back(std::move(record));
+    }
+
+    if (!save_installed_index(index, out_error))
+    {
+        (void)remove_file_if_exists(temp_zip_path);
+        return false;
+    }
+
+    (void)remove_file_if_exists(temp_zip_path);
+    ::ui::i18n::reload_language();
+    return true;
+}
+
+} // namespace ui::runtime::packs
+
+#else
+
+namespace ui::runtime::packs
+{
+
+bool is_supported()
+{
+    return false;
+}
+
+bool load_installed_packages(std::vector<InstalledPackageRecord>& out_installed, std::string& out_error)
+{
+    out_installed.clear();
+    out_error = "Pack installation is unsupported on this platform";
+    return false;
+}
+
+bool fetch_catalog(std::vector<PackageRecord>& out_packages, std::string& out_error)
+{
+    out_packages.clear();
+    out_error = "Pack installation is unsupported on this platform";
+    return false;
+}
+
+bool install_package(const PackageRecord& package, std::string& out_error)
+{
+    (void)package;
+    out_error = "Pack installation is unsupported on this platform";
+    return false;
+}
+
+} // namespace ui::runtime::packs
+
+#endif
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_compose_styles.cpp b/modules/ui_shared/src/ui/screens/chat/chat_compose_styles.cpp
index 5efc2620..2a07388e 100644
--- a/modules/ui_shared/src/ui/screens/chat/chat_compose_styles.cpp
+++ b/modules/ui_shared/src/ui/screens/chat/chat_compose_styles.cpp
@@ -1,6 +1,6 @@
 #if !defined(ARDUINO_T_WATCH_S3)
 #include "ui/screens/chat/chat_compose_styles.h"
-#include "ui/assets/fonts/fonts.h"
+#include "ui/assets/fonts/font_utils.h"
 
 namespace chat::ui::compose::styles
 {
@@ -36,7 +36,7 @@ void init_once()
     lv_style_set_bg_color(&s_textarea, lv_color_hex(0xFFF7E9));
     lv_style_set_bg_opa(&s_textarea, LV_OPA_COVER);
     lv_style_set_text_color(&s_textarea, lv_color_hex(0x3A2A1A));
-    lv_style_set_text_font(&s_textarea, &lv_font_noto_cjk_16_2bpp);
+    lv_style_set_text_font(&s_textarea, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()));
     lv_style_set_border_width(&s_textarea, 1);
     lv_style_set_border_color(&s_textarea, lv_color_hex(0xD9B06A));
     lv_style_set_radius(&s_textarea, 6);
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_conversation_components.cpp b/modules/ui_shared/src/ui/screens/chat/chat_conversation_components.cpp
index 663f95a5..cbcee536 100644
--- a/modules/ui_shared/src/ui/screens/chat/chat_conversation_components.cpp
+++ b/modules/ui_shared/src/ui/screens/chat/chat_conversation_components.cpp
@@ -520,9 +520,7 @@ void ChatConversationScreen::createMessageItem(const chat::ChatMessage& msg)
             }
         }
         std::string line = sender + " " + time_buf;
-        ::ui::i18n::set_label_text_raw(item.time_label, line.c_str());
-        ::ui::fonts::apply_localized_font(
-            item.time_label, lv_label_get_text(item.time_label), ::ui::fonts::ui_chrome_font());
+        ::ui::i18n::set_content_label_text_raw(item.time_label, line.c_str());
     }
     else
     {
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_conversation_styles.cpp b/modules/ui_shared/src/ui/screens/chat/chat_conversation_styles.cpp
index cf38045d..7b5a9378 100644
--- a/modules/ui_shared/src/ui/screens/chat/chat_conversation_styles.cpp
+++ b/modules/ui_shared/src/ui/screens/chat/chat_conversation_styles.cpp
@@ -1,6 +1,6 @@
 #if !defined(ARDUINO_T_WATCH_S3)
 #include "ui/screens/chat/chat_conversation_styles.h"
-#include "ui/assets/fonts/fonts.h"
+#include "ui/assets/fonts/font_utils.h"
 
 namespace chat::ui::conversation::styles
 {
@@ -81,7 +81,7 @@ void init_once()
 
     lv_style_init(&s_reply_label);
     lv_style_set_text_color(&s_reply_label, lv_color_hex(0x3A2A1A));
-    lv_style_set_text_font(&s_reply_label, &lv_font_noto_cjk_16_2bpp);
+    lv_style_set_text_font(&s_reply_label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()));
 
     lv_style_init(&s_row);
     lv_style_set_bg_opa(&s_row, LV_OPA_TRANSP);
@@ -114,7 +114,7 @@ void init_once()
     lv_style_init(&s_bubble_text);
     lv_style_set_text_color(&s_bubble_text, kTextColor);
     lv_style_set_text_align(&s_bubble_text, LV_TEXT_ALIGN_LEFT);
-    lv_style_set_text_font(&s_bubble_text, &lv_font_noto_cjk_16_2bpp);
+    lv_style_set_text_font(&s_bubble_text, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()));
 
     lv_style_init(&s_bubble_time);
     lv_style_set_text_color(&s_bubble_time, lv_color_hex(0x6A5646));
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_message_list_styles.cpp b/modules/ui_shared/src/ui/screens/chat/chat_message_list_styles.cpp
index 4464ea13..8740794c 100644
--- a/modules/ui_shared/src/ui/screens/chat/chat_message_list_styles.cpp
+++ b/modules/ui_shared/src/ui/screens/chat/chat_message_list_styles.cpp
@@ -1,7 +1,6 @@
 #if !defined(ARDUINO_T_WATCH_S3)
 #include "ui/screens/chat/chat_message_list_styles.h"
 #include "ui/assets/fonts/font_utils.h"
-#include "ui/assets/fonts/fonts.h"
 #include "ui/components/info_card.h"
 #include "ui/components/two_pane_styles.h"
 
@@ -31,7 +30,7 @@ void init_once()
     lv_style_set_radius(&s_root, 0);
 
     lv_style_init(&s_label_font);
-    lv_style_set_text_font(&s_label_font, &lv_font_noto_cjk_16_2bpp);
+    lv_style_set_text_font(&s_label_font, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()));
 }
 
 void apply_root_container(lv_obj_t* obj)
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_protocol_support.cpp b/modules/ui_shared/src/ui/screens/chat/chat_protocol_support.cpp
new file mode 100644
index 00000000..a53f738f
--- /dev/null
+++ b/modules/ui_shared/src/ui/screens/chat/chat_protocol_support.cpp
@@ -0,0 +1,44 @@
+#include "ui/screens/chat/chat_protocol_support.h"
+
+#include "app/app_config.h"
+#include "app/app_facade_access.h"
+
+namespace chat::ui::support
+{
+
+chat::MeshProtocol active_mesh_protocol()
+{
+    return app::configFacade().getConfig().mesh_protocol;
+}
+
+chat::MeshCapabilities active_mesh_capabilities()
+{
+    chat::IMeshAdapter* adapter = app::messagingFacade().getMeshAdapter();
+    return adapter ? adapter->getCapabilities() : chat::MeshCapabilities{};
+}
+
+bool supports_local_text_chat()
+{
+    return active_mesh_capabilities().supports_unicast_text;
+}
+
+bool supports_team_chat()
+{
+    return active_mesh_capabilities().supports_unicast_appdata;
+}
+
+const char* local_text_chat_unavailable_message()
+{
+    return (active_mesh_protocol() == chat::MeshProtocol::RNode)
+               ? "RNode text chat runs on host"
+               : "Text chat unavailable";
+}
+
+const char* team_chat_unavailable_message()
+{
+    return (active_mesh_protocol() == chat::MeshProtocol::RNode)
+               ? "Team chat unavailable in RNode mode"
+               : "Team chat unavailable";
+}
+
+} // namespace chat::ui::support
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_send_flow.cpp b/modules/ui_shared/src/ui/screens/chat/chat_send_flow.cpp
new file mode 100644
index 00000000..e2970295
--- /dev/null
+++ b/modules/ui_shared/src/ui/screens/chat/chat_send_flow.cpp
@@ -0,0 +1,26 @@
+#include "ui/screens/chat/chat_send_flow.h"
+
+#include "chat/usecase/chat_service.h"
+#include "ui/screens/chat/chat_compose_components.h"
+
+namespace chat::ui::send_flow
+{
+
+bool begin_local_text_send(ChatComposeScreen* compose,
+                           chat::ChatService* service,
+                           const chat::ConversationId& conv,
+                           const std::string& text,
+                           void (*done_cb)(bool ok, bool timeout, void*),
+                           void* user_data)
+{
+    if (!compose || !service || text.empty())
+    {
+        return false;
+    }
+
+    const chat::MessageId msg_id = service->sendText(conv.channel, text, conv.peer);
+    compose->beginSend(service, msg_id, done_cb, user_data);
+    return true;
+}
+
+} // namespace chat::ui::send_flow
diff --git a/modules/ui_shared/src/ui/screens/chat/chat_ui_controller.cpp b/modules/ui_shared/src/ui/screens/chat/chat_ui_controller.cpp
index 2c648656..8e50814d 100644
--- a/modules/ui_shared/src/ui/screens/chat/chat_ui_controller.cpp
+++ b/modules/ui_shared/src/ui/screens/chat/chat_ui_controller.cpp
@@ -15,9 +15,11 @@
 #include "sys/event_bus.h"
 #include "team/protocol/team_location_marker.h"
 #include "team/usecase/team_controller.h"
-#include "ui/assets/fonts/fonts.h"
+#include "ui/assets/fonts/font_utils.h"
 #include "ui/localization.h"
 #include "ui/page/page_profile.h"
+#include "ui/screens/chat/chat_protocol_support.h"
+#include "ui/screens/chat/chat_send_flow.h"
 #include "ui/screens/team/team_ui_store.h"
 #include "ui/ui_common.h"
 #include "ui/widgets/ime/ime_widget.h"
@@ -54,6 +56,8 @@ namespace ui
 
 namespace
 {
+namespace chat_support = chat::ui::support;
+
 constexpr uint8_t kTeamChatChannelRaw = 2;
 constexpr chat::ChannelId kTeamChatChannel =
     static_cast<chat::ChannelId>(kTeamChatChannelRaw);
@@ -92,11 +96,6 @@ const TeamPositionIconOption* find_team_position_icon_option(uint8_t icon_id)
     return nullptr;
 }
 
-chat::MeshProtocol active_mesh_protocol()
-{
-    return app::configFacade().getConfig().mesh_protocol;
-}
-
 const char* protocol_short_label(chat::MeshProtocol protocol)
 {
     return chat::infra::meshProtocolShortName(protocol);
@@ -132,39 +131,9 @@ std::string base_conversation_name(const chat::ConversationId& conv)
     return buf;
 }
 
-chat::MeshCapabilities active_mesh_capabilities()
-{
-    chat::IMeshAdapter* adapter = app::messagingFacade().getMeshAdapter();
-    return adapter ? adapter->getCapabilities() : chat::MeshCapabilities{};
-}
-
-bool supports_local_text_chat()
-{
-    return active_mesh_capabilities().supports_unicast_text;
-}
-
-bool supports_team_chat()
-{
-    return active_mesh_capabilities().supports_unicast_appdata;
-}
-
-const char* local_text_chat_unavailable_message()
-{
-    return (active_mesh_protocol() == chat::MeshProtocol::RNode)
-               ? "RNode text chat runs on host"
-               : "Text chat unavailable";
-}
-
-const char* team_chat_unavailable_message()
-{
-    return (active_mesh_protocol() == chat::MeshProtocol::RNode)
-               ? "Team chat unavailable in RNode mode"
-               : "Team chat unavailable";
-}
-
 chat::ConversationId teamConversationId()
 {
-    return chat::ConversationId(kTeamChatChannel, 0, active_mesh_protocol());
+    return chat::ConversationId(kTeamChatChannel, 0, chat_support::active_mesh_protocol());
 }
 
 bool isTeamConversationId(const chat::ConversationId& conv)
@@ -400,7 +369,7 @@ void handle_conversation_back(void* user_data)
 UiController::UiController(lv_obj_t* parent, chat::ChatService& service, chat::ChannelId initial_channel, ExitRequestCallback exit_request, void* exit_request_user_data)
     : parent_(parent), service_(service), state_(State::ChannelList),
       current_channel_(initial_channel),
-      current_conv_(chat::ConversationId(initial_channel, 0, active_mesh_protocol())),
+      current_conv_(chat::ConversationId(initial_channel, 0, chat_support::active_mesh_protocol())),
       exit_request_(exit_request), exit_request_user_data_(exit_request_user_data)
 {
 }
@@ -668,8 +637,9 @@ void UiController::switchToConversation(chat::ConversationId conv)
         conversation_->setBackCallback(handle_conversation_back, this);
     }
     const bool can_reply = team_conv_active_
-                               ? supports_team_chat()
-                               : (conv.protocol == active_mesh_protocol() && supports_local_text_chat());
+                               ? chat_support::supports_team_chat()
+                               : (conv.protocol == chat_support::active_mesh_protocol() &&
+                                  chat_support::supports_local_text_chat());
     conversation_->setReplyEnabled(can_reply);
 
     if (team_conv_active_)
@@ -735,19 +705,19 @@ void UiController::switchToCompose(chat::ConversationId conv)
 {
     closeTeamPositionPicker(true);
     const bool is_team_conv = isTeamConversation(conv);
-    if (!is_team_conv && conv.protocol != active_mesh_protocol())
+    if (!is_team_conv && conv.protocol != chat_support::active_mesh_protocol())
     {
         ::ui::SystemNotification::show("Conversation protocol mismatch", 2000);
         return;
     }
-    if (!is_team_conv && !supports_local_text_chat())
+    if (!is_team_conv && !chat_support::supports_local_text_chat())
     {
-        ::ui::SystemNotification::show(local_text_chat_unavailable_message(), 2200);
+        ::ui::SystemNotification::show(chat_support::local_text_chat_unavailable_message(), 2200);
         return;
     }
-    if (is_team_conv && !supports_team_chat())
+    if (is_team_conv && !chat_support::supports_team_chat())
     {
-        ::ui::SystemNotification::show(team_chat_unavailable_message(), 2200);
+        ::ui::SystemNotification::show(chat_support::team_chat_unavailable_message(), 2200);
         return;
     }
 
@@ -870,12 +840,36 @@ void UiController::handleSendMessage(const std::string& text)
     {
         return;
     }
-    if (!supports_local_text_chat())
+    if (!chat_support::supports_local_text_chat())
     {
-        ::ui::SystemNotification::show(local_text_chat_unavailable_message(), 2200);
+        ::ui::SystemNotification::show(chat_support::local_text_chat_unavailable_message(), 2200);
         return;
     }
-    service_.sendText(current_channel_, text, current_conv_.peer);
+    chat::ui::send_flow::begin_local_text_send(compose_.get(),
+                                               &service_,
+                                               current_conv_,
+                                               text,
+                                               UiController::handleComposeSendDoneCallback,
+                                               this);
+}
+
+void UiController::handleComposeSendDone(bool ok, bool timeout)
+{
+    (void)ok;
+    (void)timeout;
+    if (state_ == State::Compose)
+    {
+        switchToConversation(current_conv_);
+    }
+}
+
+void UiController::handleComposeSendDoneCallback(bool ok, bool timeout, void* user_data)
+{
+    auto* controller = static_cast<UiController*>(user_data);
+    if (controller)
+    {
+        controller->handleComposeSendDone(ok, timeout);
+    }
 }
 
 void UiController::refreshUnreadCounts()
@@ -1098,7 +1092,7 @@ void UiController::refreshTeamConversation()
         for (const auto& entry : entries)
         {
             chat::ChatMessage msg;
-            msg.protocol = active_mesh_protocol();
+            msg.protocol = chat_support::active_mesh_protocol();
             msg.channel = chat::ChannelId::PRIMARY;
             msg.peer = 0;
             msg.from = entry.incoming ? entry.peer_id : 0;
@@ -1586,7 +1580,7 @@ void UiController::openKeyVerificationNumberModal(chat::NodeId node_id, uint64_t
     lv_obj_t* title = lv_label_create(key_verify_panel_);
     ::ui::i18n::set_label_text(title, "Key Verification");
     lv_obj_set_style_text_color(title, lv_color_hex(0x6B4A1E), 0);
-    lv_obj_set_style_text_font(title, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(title, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_align(title, LV_ALIGN_TOP_MID, 0, 0);
 
     std::string desc = ::ui::i18n::format("Enter number for %s", resolve_contact_name(node_id).c_str());
@@ -1955,19 +1949,19 @@ void UiController::handleConversationAction(ChatConversationScreen::ActionIntent
 {
     if (intent == ChatConversationScreen::ActionIntent::Reply)
     {
-        if (!team_conv_active_ && current_conv_.protocol != active_mesh_protocol())
+        if (!team_conv_active_ && current_conv_.protocol != chat_support::active_mesh_protocol())
         {
             ::ui::SystemNotification::show("Reply disabled for this protocol", 2000);
             return;
         }
-        if (!team_conv_active_ && !supports_local_text_chat())
+        if (!team_conv_active_ && !chat_support::supports_local_text_chat())
         {
-            ::ui::SystemNotification::show(local_text_chat_unavailable_message(), 2200);
+            ::ui::SystemNotification::show(chat_support::local_text_chat_unavailable_message(), 2200);
             return;
         }
-        if (team_conv_active_ && !supports_team_chat())
+        if (team_conv_active_ && !chat_support::supports_team_chat())
         {
-            ::ui::SystemNotification::show(team_chat_unavailable_message(), 2200);
+            ::ui::SystemNotification::show(chat_support::team_chat_unavailable_message(), 2200);
             return;
         }
         switchToCompose(current_conv_);
@@ -2078,6 +2072,7 @@ void UiController::handleComposeAction(ChatComposeScreen::ActionIntent intent)
         if (!text.empty())
         {
             handleSendMessage(text);
+            return;
         }
     }
     switchToConversation(current_conv_);
diff --git a/modules/ui_shared/src/ui/screens/contacts/contacts_page_components.cpp b/modules/ui_shared/src/ui/screens/contacts/contacts_page_components.cpp
index 87e7cff7..73a9eb67 100644
--- a/modules/ui_shared/src/ui/screens/contacts/contacts_page_components.cpp
+++ b/modules/ui_shared/src/ui/screens/contacts/contacts_page_components.cpp
@@ -21,6 +21,8 @@
 #include "ui/screens/chat/chat_compose_components.h"
 #include "ui/screens/chat/chat_conversation_components.h"
 #include "ui/screens/chat/chat_page_shell.h"
+#include "ui/screens/chat/chat_protocol_support.h"
+#include "ui/screens/chat/chat_send_flow.h"
 #include "ui/screens/contacts/contacts_page_input.h"
 #include "ui/screens/contacts/contacts_page_layout.h"
 #include "ui/screens/contacts/contacts_page_styles.h"
@@ -47,6 +49,7 @@
 #endif
 
 using namespace contacts::ui;
+namespace chat_support = chat::ui::support;
 
 static constexpr int kItemsPerPage = 4;
 static constexpr int kButtonHeight = 28;
@@ -295,11 +298,6 @@ static std::string format_time_status(uint32_t last_seen)
     return ::ui::i18n::format("SNR %.0f", snr);
 }
 
-static chat::MeshProtocol active_mesh_protocol()
-{
-    return app::appFacade().getConfig().mesh_protocol;
-}
-
 static const char* mesh_protocol_short_label(chat::MeshProtocol protocol)
 {
     return chat::infra::meshProtocolShortName(protocol);
@@ -378,36 +376,6 @@ static constexpr DiscoveryActionSpec kDiscoveryActionSpecs[] = {
     {"Cancel", "Back", DiscoveryActionCommand::Cancel},
 };
 
-static chat::MeshCapabilities active_mesh_capabilities()
-{
-    chat::IMeshAdapter* adapter = app::messagingFacade().getMeshAdapter();
-    return adapter ? adapter->getCapabilities() : chat::MeshCapabilities{};
-}
-
-static bool supports_local_text_chat()
-{
-    return active_mesh_capabilities().supports_unicast_text;
-}
-
-static bool supports_team_chat()
-{
-    return active_mesh_capabilities().supports_unicast_appdata;
-}
-
-static const char* local_text_chat_unavailable_message()
-{
-    return (active_mesh_protocol() == chat::MeshProtocol::RNode)
-               ? "RNode text chat runs on host"
-               : "Text chat unavailable";
-}
-
-static const char* team_chat_unavailable_message()
-{
-    return (active_mesh_protocol() == chat::MeshProtocol::RNode)
-               ? "Team chat unavailable in RNode mode"
-               : "Team chat unavailable";
-}
-
 static const char* broadcast_chat_unavailable_message(const BroadcastTargetSpec& spec)
 {
     if (spec.protocol == chat::MeshProtocol::Meshtastic)
@@ -423,7 +391,7 @@ static const char* broadcast_chat_unavailable_message(const BroadcastTargetSpec&
 
 static size_t get_broadcast_target_count()
 {
-    switch (active_mesh_protocol())
+    switch (chat_support::active_mesh_protocol())
     {
     case chat::MeshProtocol::Meshtastic:
         return 8U;
@@ -443,7 +411,7 @@ static bool get_broadcast_target_spec(int index, BroadcastTargetSpec* out)
         return false;
     }
 
-    if (active_mesh_protocol() == chat::MeshProtocol::Meshtastic)
+    if (chat_support::active_mesh_protocol() == chat::MeshProtocol::Meshtastic)
     {
         if (index >= 8)
         {
@@ -459,7 +427,7 @@ static bool get_broadcast_target_spec(int index, BroadcastTargetSpec* out)
         return true;
     }
 
-    if (active_mesh_protocol() == chat::MeshProtocol::RNode)
+    if (chat_support::active_mesh_protocol() == chat::MeshProtocol::RNode)
     {
         if (index != 0)
         {
@@ -1300,7 +1268,7 @@ static void open_chat_compose()
 
     chat::ChannelId channel = chat::ChannelId::PRIMARY;
     uint32_t peer_id = 0;
-    chat::MeshProtocol protocol = active_mesh_protocol();
+    chat::MeshProtocol protocol = chat_support::active_mesh_protocol();
     std::string title;
     if (g_contacts_state.current_mode == ContactsMode::Broadcast)
     {
@@ -1322,9 +1290,9 @@ static void open_chat_compose()
     }
     else if (g_contacts_state.current_mode == ContactsMode::Team)
     {
-        if (!supports_team_chat())
+        if (!chat_support::supports_team_chat())
         {
-            ::ui::SystemNotification::show(team_chat_unavailable_message(), 2200);
+            ::ui::SystemNotification::show(chat_support::team_chat_unavailable_message(), 2200);
             return;
         }
         channel = chat::ChannelId::PRIMARY;
@@ -1335,9 +1303,9 @@ static void open_chat_compose()
     }
     else
     {
-        if (!supports_local_text_chat())
+        if (!chat_support::supports_local_text_chat())
         {
-            ::ui::SystemNotification::show(local_text_chat_unavailable_message(), 2200);
+            ::ui::SystemNotification::show(chat_support::local_text_chat_unavailable_message(), 2200);
             return;
         }
         channel = chat::ChannelId::PRIMARY;
@@ -1621,16 +1589,16 @@ static void on_compose_action(chat::ui::ChatComposeScreen::ActionIntent intent,
             return;
         }
 
-        if (s_compose_protocol != active_mesh_protocol())
+        if (s_compose_protocol != chat_support::active_mesh_protocol())
         {
             ::ui::SystemNotification::show("Conversation protocol mismatch", 2000);
             close_chat_compose();
             return;
         }
 
-        if (!supports_local_text_chat())
+        if (!chat_support::supports_local_text_chat())
         {
-            ::ui::SystemNotification::show(local_text_chat_unavailable_message(), 2200);
+            ::ui::SystemNotification::show(chat_support::local_text_chat_unavailable_message(), 2200);
             close_chat_compose();
             return;
         }
@@ -1642,13 +1610,13 @@ static void on_compose_action(chat::ui::ChatComposeScreen::ActionIntent intent,
             {
                 s_last_sent_text = text;
                 s_last_sent_ts = sys::epoch_seconds_now();
-                chat::MessageId msg_id = g_contacts_state.chat_service->sendText(
-                    s_compose_channel, text, s_compose_peer_id);
-                g_contacts_state.compose_screen->beginSend(
-                    g_contacts_state.chat_service,
-                    msg_id,
-                    on_compose_send_done,
-                    nullptr);
+                const chat::ConversationId conv(s_compose_channel, s_compose_peer_id, s_compose_protocol);
+                chat::ui::send_flow::begin_local_text_send(g_contacts_state.compose_screen,
+                                                           g_contacts_state.chat_service,
+                                                           conv,
+                                                           text,
+                                                           on_compose_send_done,
+                                                           nullptr);
                 return;
             }
         }
@@ -2051,7 +2019,7 @@ static void execute_discovery_command(uint8_t command_index)
         return;
     }
 
-    if (active_mesh_protocol() != chat::MeshProtocol::MeshCore || !g_contacts_state.chat_service)
+    if (chat_support::active_mesh_protocol() != chat::MeshProtocol::MeshCore || !g_contacts_state.chat_service)
     {
         ::ui::SystemNotification::show("MeshCore only", 2000);
         return;
@@ -2260,7 +2228,9 @@ static void open_action_menu_modal()
                               g_contacts_state.current_mode == ContactsMode::Nearby);
 
     const bool allow_chat_action =
-        (g_contacts_state.current_mode == ContactsMode::Team) ? supports_team_chat() : supports_local_text_chat();
+        (g_contacts_state.current_mode == ContactsMode::Team)
+            ? chat_support::supports_team_chat()
+            : chat_support::supports_local_text_chat();
     int action_count = allow_chat_action ? 2 : 1; // Chat + Cancel
     if (g_contacts_state.current_mode == ContactsMode::Contacts)
     {
@@ -2434,8 +2404,8 @@ void refresh_ui()
     }
     ::ui::components::air_status_footer::refresh(g_contacts_state.air_status_footer);
 
-    bool team_available = is_team_available() && supports_team_chat();
-    const bool meshcore_mode = (active_mesh_protocol() == chat::MeshProtocol::MeshCore);
+    bool team_available = is_team_available() && chat_support::supports_team_chat();
+    const bool meshcore_mode = (chat_support::active_mesh_protocol() == chat::MeshProtocol::MeshCore);
     if (g_contacts_state.team_btn)
     {
         if (team_available)
diff --git a/modules/ui_shared/src/ui/screens/contacts/contacts_page_layout.cpp b/modules/ui_shared/src/ui/screens/contacts/contacts_page_layout.cpp
index 7639872a..8849fd15 100644
--- a/modules/ui_shared/src/ui/screens/contacts/contacts_page_layout.cpp
+++ b/modules/ui_shared/src/ui/screens/contacts/contacts_page_layout.cpp
@@ -233,7 +233,7 @@ lv_obj_t* create_list_item(lv_obj_t* parent,
     if (::ui::components::info_card::use_tdeck_layout())
     {
         const auto slots = ::ui::components::info_card::create_content(item);
-        ::ui::i18n::set_label_text_raw(slots.header_main_label, display_name.c_str());
+        ::ui::i18n::set_content_label_text_raw(slots.header_main_label, display_name.c_str());
         style::apply_label_primary(slots.header_main_label);
 
         ::ui::i18n::set_label_text(slots.body_main_label, status_text);
@@ -242,7 +242,7 @@ lv_obj_t* create_list_item(lv_obj_t* parent,
     else
     {
         lv_obj_t* name_label = lv_label_create(item);
-        ::ui::i18n::set_label_text_raw(name_label, display_name.c_str());
+        ::ui::i18n::set_content_label_text_raw(name_label, display_name.c_str());
         lv_obj_align(name_label, LV_ALIGN_LEFT_MID, 10, 0);
         style::apply_label_primary(name_label);
 
diff --git a/modules/ui_shared/src/ui/screens/extensions/extensions_page_runtime.cpp b/modules/ui_shared/src/ui/screens/extensions/extensions_page_runtime.cpp
new file mode 100644
index 00000000..8fd0e2c4
--- /dev/null
+++ b/modules/ui_shared/src/ui/screens/extensions/extensions_page_runtime.cpp
@@ -0,0 +1,494 @@
+#include "ui/screens/extensions/extensions_page_runtime.h"
+
+#include <cstdint>
+#include <cstdio>
+#include <string>
+#include <vector>
+
+#include "platform/ui/device_runtime.h"
+#include "platform/ui/wifi_runtime.h"
+#include "ui/app_runtime.h"
+#include "ui/localization.h"
+#include "ui/page/page_profile.h"
+#include "ui/runtime/memory_profile.h"
+#include "ui/runtime/pack_repository.h"
+#include "ui/ui_theme.h"
+#include "ui/widgets/system_notification.h"
+#include "ui/widgets/top_bar.h"
+
+#if !defined(LV_FONT_MONTSERRAT_16) || !LV_FONT_MONTSERRAT_16
+#define lv_font_montserrat_16 lv_font_montserrat_14
+#endif
+
+namespace
+{
+
+using Host = extensions::ui::shell::Host;
+
+struct RuntimeState
+{
+    const Host* host = nullptr;
+    lv_obj_t* root = nullptr;
+    lv_obj_t* content = nullptr;
+    lv_obj_t* toolbar = nullptr;
+    lv_obj_t* status_label = nullptr;
+    lv_obj_t* list = nullptr;
+    lv_obj_t* refresh_btn = nullptr;
+    ::ui::widgets::TopBar top_bar;
+    std::vector<ui::runtime::packs::PackageRecord> packages;
+};
+
+RuntimeState s_runtime{};
+
+void request_exit()
+{
+    if (s_runtime.host)
+    {
+        ::ui::page::request_exit(s_runtime.host);
+        return;
+    }
+    ui_request_exit_to_menu();
+}
+
+void on_back(void*)
+{
+    request_exit();
+}
+
+void on_focus_scroll(lv_event_t* event)
+{
+    if (lv_event_get_code(event) != LV_EVENT_FOCUSED)
+    {
+        return;
+    }
+
+    lv_obj_t* target = lv_event_get_target_obj(event);
+    if (target && lv_obj_is_valid(target))
+    {
+        lv_obj_scroll_to_view(target, LV_ANIM_ON);
+    }
+}
+
+std::string format_size(std::size_t bytes)
+{
+    char buffer[32];
+    if (bytes >= (1024U * 1024U))
+    {
+        const unsigned whole = static_cast<unsigned>(bytes / (1024U * 1024U));
+        const unsigned tenth =
+            static_cast<unsigned>((bytes % (1024U * 1024U)) * 10U / (1024U * 1024U));
+        std::snprintf(buffer, sizeof(buffer), "%u.%u MB", whole, tenth);
+    }
+    else
+    {
+        std::snprintf(buffer,
+                      sizeof(buffer),
+                      "%lu KB",
+                      static_cast<unsigned long>((bytes + 1023U) / 1024U));
+    }
+    return buffer;
+}
+
+std::string compatibility_text(const ui::runtime::packs::PackageRecord& package)
+{
+    if (package.compatible_firmware && package.compatible_memory_profile)
+    {
+        return ::ui::i18n::tr("Compatibility: this device");
+    }
+
+    std::string text = ::ui::i18n::tr("Compatibility: ");
+    bool appended = false;
+    if (!package.compatible_memory_profile)
+    {
+        text += ::ui::i18n::tr("memory profile mismatch");
+        appended = true;
+    }
+    if (!package.compatible_firmware)
+    {
+        if (appended)
+        {
+            text += ", ";
+        }
+        text += ::ui::i18n::format("needs %s", package.min_firmware_version.c_str());
+    }
+    return text;
+}
+
+std::string state_text(const ui::runtime::packs::PackageRecord& package)
+{
+    if (package.update_available)
+    {
+        return ::ui::i18n::format("Update available: %s", package.version.c_str());
+    }
+    if (package.installed)
+    {
+        return ::ui::i18n::format("Installed: %s", package.installed_record.version.c_str());
+    }
+    return ::ui::i18n::tr("Not installed");
+}
+
+const char* action_label(const ui::runtime::packs::PackageRecord& package)
+{
+    if (!package.compatible_firmware || !package.compatible_memory_profile)
+    {
+        return "Incompatible";
+    }
+    if (package.update_available)
+    {
+        return "Update";
+    }
+    if (package.installed)
+    {
+        return "Installed";
+    }
+    return "Install";
+}
+
+void update_top_bar_status()
+{
+    const platform::ui::wifi::Status wifi = platform::ui::wifi::status();
+    if (!wifi.supported)
+    {
+        ::ui::widgets::top_bar_set_right_text(s_runtime.top_bar, ::ui::i18n::tr("No Wi-Fi"));
+        return;
+    }
+    if (!wifi.connected)
+    {
+        ::ui::widgets::top_bar_set_right_text(s_runtime.top_bar, ::ui::i18n::tr("Offline"));
+        return;
+    }
+    ::ui::widgets::top_bar_set_right_text(s_runtime.top_bar, ::ui::i18n::tr("Online"));
+}
+
+void set_status_text(const char* text)
+{
+    if (s_runtime.status_label == nullptr)
+    {
+        return;
+    }
+    ::ui::i18n::set_content_label_text_raw(s_runtime.status_label, text ? text : "");
+}
+
+void clear_list()
+{
+    if (s_runtime.list == nullptr)
+    {
+        return;
+    }
+    lv_obj_clean(s_runtime.list);
+    if (app_g != nullptr && s_runtime.top_bar.back_btn != nullptr)
+    {
+        lv_group_remove_all_objs(app_g);
+        lv_group_add_obj(app_g, s_runtime.top_bar.back_btn);
+        if (s_runtime.refresh_btn != nullptr)
+        {
+            lv_group_add_obj(app_g, s_runtime.refresh_btn);
+        }
+    }
+}
+
+void show_empty_message(const char* text)
+{
+    clear_list();
+    if (s_runtime.list == nullptr)
+    {
+        return;
+    }
+
+    lv_obj_t* label = lv_label_create(s_runtime.list);
+    lv_obj_set_width(label, LV_PCT(100));
+    lv_label_set_long_mode(label, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_align(label, LV_TEXT_ALIGN_CENTER, 0);
+    lv_obj_set_style_text_color(label, ui::theme::text_muted(), 0);
+    ::ui::i18n::set_content_label_text_raw(label, text ? text : "");
+}
+
+void rebuild_list();
+
+void on_install_clicked(lv_event_t* event)
+{
+    const uintptr_t raw_index = reinterpret_cast<uintptr_t>(lv_event_get_user_data(event));
+    if (raw_index == 0U)
+    {
+        return;
+    }
+
+    const std::size_t index = static_cast<std::size_t>(raw_index - 1U);
+    if (index >= s_runtime.packages.size())
+    {
+        return;
+    }
+
+    std::string error;
+    set_status_text(::ui::i18n::tr("Installing package..."));
+    if (!ui::runtime::packs::install_package(s_runtime.packages[index], error))
+    {
+        set_status_text(error.c_str());
+        ::ui::SystemNotification::show(error.c_str(), 3000);
+        return;
+    }
+
+    ::ui::SystemNotification::show(::ui::i18n::tr("Package installed"), 2000);
+    rebuild_list();
+}
+
+void create_package_card(const ui::runtime::packs::PackageRecord& package, std::size_t index)
+{
+    lv_obj_t* card = lv_obj_create(s_runtime.list);
+    lv_obj_set_width(card, LV_PCT(100));
+    lv_obj_set_style_bg_color(card, ui::theme::surface(), 0);
+    lv_obj_set_style_bg_opa(card, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(card, 1, 0);
+    lv_obj_set_style_border_color(card, ui::theme::border(), 0);
+    lv_obj_set_style_radius(card, 14, 0);
+    lv_obj_set_style_pad_all(card, 10, 0);
+    lv_obj_set_style_pad_row(card, 6, 0);
+    lv_obj_set_flex_flow(card, LV_FLEX_FLOW_COLUMN);
+    lv_obj_clear_flag(card, LV_OBJ_FLAG_SCROLLABLE);
+
+    lv_obj_t* title_row = lv_obj_create(card);
+    lv_obj_set_width(title_row, LV_PCT(100));
+    lv_obj_set_style_bg_opa(title_row, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_border_width(title_row, 0, 0);
+    lv_obj_set_style_pad_all(title_row, 0, 0);
+    lv_obj_set_style_pad_column(title_row, 8, 0);
+    lv_obj_set_flex_flow(title_row, LV_FLEX_FLOW_ROW);
+    lv_obj_set_flex_align(title_row, LV_FLEX_ALIGN_SPACE_BETWEEN, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_clear_flag(title_row, LV_OBJ_FLAG_SCROLLABLE);
+
+    lv_obj_t* title = lv_label_create(title_row);
+    lv_obj_set_flex_grow(title, 1);
+    lv_obj_set_width(title, LV_PCT(100));
+    lv_label_set_long_mode(title, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_color(title, ui::theme::text(), 0);
+    lv_obj_set_style_text_font(title, &lv_font_montserrat_16, 0);
+    const std::string title_text = ::ui::i18n::format("%s  %s",
+                                                      package.display_name.c_str(),
+                                                      package.version.c_str());
+    ::ui::i18n::set_content_label_text_raw(title, title_text.c_str());
+
+    lv_obj_t* action_btn = lv_btn_create(title_row);
+    lv_obj_set_size(action_btn, 96, ::ui::page_profile::resolve_control_button_height());
+    lv_obj_add_event_cb(action_btn,
+                        on_install_clicked,
+                        LV_EVENT_CLICKED,
+                        reinterpret_cast<void*>(static_cast<uintptr_t>(index + 1U)));
+    lv_obj_add_event_cb(action_btn, on_focus_scroll, LV_EVENT_FOCUSED, nullptr);
+    if ((!package.compatible_firmware || !package.compatible_memory_profile) ||
+        (package.installed && !package.update_available))
+    {
+        lv_obj_add_state(action_btn, LV_STATE_DISABLED);
+    }
+    lv_obj_t* action_label_obj = lv_label_create(action_btn);
+    ::ui::i18n::set_label_text(action_label_obj, action_label(package));
+    lv_obj_center(action_label_obj);
+
+    lv_obj_t* summary = lv_label_create(card);
+    lv_obj_set_width(summary, LV_PCT(100));
+    lv_label_set_long_mode(summary, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_color(summary, ui::theme::text_muted(), 0);
+    ::ui::i18n::set_content_label_text_raw(summary, package.summary.c_str());
+
+    lv_obj_t* meta = lv_label_create(card);
+    lv_obj_set_width(meta, LV_PCT(100));
+    lv_label_set_long_mode(meta, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_color(meta, ui::theme::text_muted(), 0);
+    const std::string meta_text =
+        ::ui::i18n::format("Size: %s", format_size(package.archive_size_bytes).c_str());
+    ::ui::i18n::set_content_label_text_raw(meta, meta_text.c_str());
+
+    lv_obj_t* compat = lv_label_create(card);
+    lv_obj_set_width(compat, LV_PCT(100));
+    lv_label_set_long_mode(compat, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_color(compat,
+                                (package.compatible_firmware && package.compatible_memory_profile)
+                                    ? ui::theme::text_muted()
+                                    : ui::theme::error(),
+                                0);
+    const std::string compat_text = compatibility_text(package);
+    ::ui::i18n::set_content_label_text_raw(compat, compat_text.c_str());
+
+    lv_obj_t* state = lv_label_create(card);
+    lv_obj_set_width(state, LV_PCT(100));
+    lv_label_set_long_mode(state, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_color(state,
+                                package.update_available ? ui::theme::status_blue()
+                                                         : ui::theme::status_green(),
+                                0);
+    const std::string state_value = state_text(package);
+    ::ui::i18n::set_content_label_text_raw(state, state_value.c_str());
+
+    if (app_g != nullptr)
+    {
+        lv_group_add_obj(app_g, action_btn);
+    }
+}
+
+bool load_catalog(std::string& out_error)
+{
+    out_error.clear();
+    s_runtime.packages.clear();
+
+    if (!platform::ui::device::card_ready())
+    {
+        out_error = "Insert an SD card to use Extensions";
+        return false;
+    }
+
+    if (!ui::runtime::packs::fetch_catalog(s_runtime.packages, out_error))
+    {
+        return false;
+    }
+    return true;
+}
+
+void rebuild_list()
+{
+    update_top_bar_status();
+
+    std::string error;
+    if (!load_catalog(error))
+    {
+        set_status_text(error.c_str());
+        show_empty_message(error.c_str());
+        return;
+    }
+
+    if (s_runtime.packages.empty())
+    {
+        set_status_text(::ui::i18n::tr("No packages available"));
+        show_empty_message(::ui::i18n::tr("No packages available"));
+        return;
+    }
+
+    set_status_text(::ui::i18n::format("Available packages: %lu",
+                                       static_cast<unsigned long>(s_runtime.packages.size()))
+                        .c_str());
+    clear_list();
+    for (std::size_t i = 0; i < s_runtime.packages.size(); ++i)
+    {
+        create_package_card(s_runtime.packages[i], i);
+    }
+
+    if (app_g != nullptr && s_runtime.top_bar.back_btn != nullptr)
+    {
+        lv_group_focus_obj(s_runtime.top_bar.back_btn);
+        set_default_group(app_g);
+        lv_group_set_editing(app_g, false);
+    }
+}
+
+void on_refresh_clicked(lv_event_t* event)
+{
+    (void)event;
+    rebuild_list();
+}
+
+} // namespace
+
+namespace extensions::ui::runtime
+{
+
+bool is_available()
+{
+    return true;
+}
+
+void enter(const shell::Host* host, lv_obj_t* parent)
+{
+    s_runtime.host = host;
+
+    lv_group_t* previous_group = lv_group_get_default();
+    set_default_group(nullptr);
+
+    s_runtime.root = lv_obj_create(parent);
+    lv_obj_set_size(s_runtime.root, LV_PCT(100), LV_PCT(100));
+    lv_obj_set_style_bg_color(s_runtime.root, ::ui::theme::page_bg(), 0);
+    lv_obj_set_style_bg_opa(s_runtime.root, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(s_runtime.root, 0, 0);
+    lv_obj_set_style_radius(s_runtime.root, 0, 0);
+    lv_obj_set_style_pad_all(s_runtime.root, 0, 0);
+    lv_obj_set_style_pad_row(s_runtime.root, 0, 0);
+    lv_obj_set_flex_flow(s_runtime.root, LV_FLEX_FLOW_COLUMN);
+    lv_obj_clear_flag(s_runtime.root, LV_OBJ_FLAG_SCROLLABLE);
+
+    ::ui::widgets::top_bar_init(s_runtime.top_bar, s_runtime.root);
+    ::ui::widgets::top_bar_set_title(s_runtime.top_bar, ::ui::i18n::tr("Extensions"));
+    ::ui::widgets::top_bar_set_back_callback(s_runtime.top_bar, on_back, nullptr);
+
+    s_runtime.content = lv_obj_create(s_runtime.root);
+    lv_obj_set_width(s_runtime.content, LV_PCT(100));
+    lv_obj_set_flex_grow(s_runtime.content, 1);
+    lv_obj_set_style_bg_opa(s_runtime.content, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_border_width(s_runtime.content, 0, 0);
+    lv_obj_set_style_pad_all(s_runtime.content, 10, 0);
+    lv_obj_set_style_pad_row(s_runtime.content, 8, 0);
+    lv_obj_set_flex_flow(s_runtime.content, LV_FLEX_FLOW_COLUMN);
+    lv_obj_clear_flag(s_runtime.content, LV_OBJ_FLAG_SCROLLABLE);
+
+    s_runtime.toolbar = lv_obj_create(s_runtime.content);
+    lv_obj_set_width(s_runtime.toolbar, LV_PCT(100));
+    lv_obj_set_style_bg_color(s_runtime.toolbar, ::ui::theme::surface(), 0);
+    lv_obj_set_style_bg_opa(s_runtime.toolbar, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(s_runtime.toolbar, 1, 0);
+    lv_obj_set_style_border_color(s_runtime.toolbar, ::ui::theme::border(), 0);
+    lv_obj_set_style_radius(s_runtime.toolbar, 12, 0);
+    lv_obj_set_style_pad_all(s_runtime.toolbar, 8, 0);
+    lv_obj_set_style_pad_column(s_runtime.toolbar, 8, 0);
+    lv_obj_set_flex_flow(s_runtime.toolbar, LV_FLEX_FLOW_ROW);
+    lv_obj_set_flex_align(s_runtime.toolbar, LV_FLEX_ALIGN_SPACE_BETWEEN, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_clear_flag(s_runtime.toolbar, LV_OBJ_FLAG_SCROLLABLE);
+
+    s_runtime.status_label = lv_label_create(s_runtime.toolbar);
+    lv_obj_set_flex_grow(s_runtime.status_label, 1);
+    lv_obj_set_width(s_runtime.status_label, LV_PCT(100));
+    lv_label_set_long_mode(s_runtime.status_label, LV_LABEL_LONG_WRAP);
+    lv_obj_set_style_text_color(s_runtime.status_label, ::ui::theme::text_muted(), 0);
+    ::ui::i18n::set_label_text(s_runtime.status_label, "Loading...");
+
+    s_runtime.refresh_btn = lv_btn_create(s_runtime.toolbar);
+    lv_obj_set_size(s_runtime.refresh_btn, 90, ::ui::page_profile::resolve_control_button_height());
+    lv_obj_add_event_cb(s_runtime.refresh_btn, on_refresh_clicked, LV_EVENT_CLICKED, nullptr);
+    lv_obj_add_event_cb(s_runtime.refresh_btn, on_focus_scroll, LV_EVENT_FOCUSED, nullptr);
+    lv_obj_t* refresh_label = lv_label_create(s_runtime.refresh_btn);
+    ::ui::i18n::set_label_text(refresh_label, "Refresh");
+    lv_obj_center(refresh_label);
+
+    s_runtime.list = lv_obj_create(s_runtime.content);
+    lv_obj_set_width(s_runtime.list, LV_PCT(100));
+    lv_obj_set_flex_grow(s_runtime.list, 1);
+    lv_obj_set_style_bg_opa(s_runtime.list, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_border_width(s_runtime.list, 0, 0);
+    lv_obj_set_style_pad_all(s_runtime.list, 0, 0);
+    lv_obj_set_style_pad_row(s_runtime.list, 8, 0);
+    lv_obj_set_flex_flow(s_runtime.list, LV_FLEX_FLOW_COLUMN);
+    lv_obj_set_scrollbar_mode(s_runtime.list, LV_SCROLLBAR_MODE_AUTO);
+
+    if (app_g != nullptr && s_runtime.top_bar.back_btn != nullptr)
+    {
+        lv_group_remove_all_objs(app_g);
+        lv_group_add_obj(app_g, s_runtime.top_bar.back_btn);
+        lv_group_add_obj(app_g, s_runtime.refresh_btn);
+        lv_group_focus_obj(s_runtime.top_bar.back_btn);
+        set_default_group(app_g);
+        lv_group_set_editing(app_g, false);
+    }
+    else
+    {
+        set_default_group(previous_group);
+    }
+
+    rebuild_list();
+}
+
+void exit(lv_obj_t* parent)
+{
+    (void)parent;
+    if (s_runtime.root != nullptr)
+    {
+        lv_obj_del(s_runtime.root);
+    }
+    s_runtime = RuntimeState{};
+}
+
+} // namespace extensions::ui::runtime
diff --git a/modules/ui_shared/src/ui/screens/extensions/extensions_page_shell.cpp b/modules/ui_shared/src/ui/screens/extensions/extensions_page_shell.cpp
new file mode 100644
index 00000000..436f2992
--- /dev/null
+++ b/modules/ui_shared/src/ui/screens/extensions/extensions_page_shell.cpp
@@ -0,0 +1,20 @@
+#include "ui/screens/extensions/extensions_page_shell.h"
+
+#include "ui/screens/extensions/extensions_page_runtime.h"
+
+namespace extensions::ui::shell
+{
+
+void enter(void* user_data, lv_obj_t* parent)
+{
+    const Host* host = static_cast<const Host*>(user_data);
+    runtime::enter(host, parent);
+}
+
+void exit(void* user_data, lv_obj_t* parent)
+{
+    (void)user_data;
+    runtime::exit(parent);
+}
+
+} // namespace extensions::ui::shell
diff --git a/modules/ui_shared/src/ui/screens/node_info/node_info_page_components.cpp b/modules/ui_shared/src/ui/screens/node_info/node_info_page_components.cpp
index 2dfb7ca3..0354da93 100644
--- a/modules/ui_shared/src/ui/screens/node_info/node_info_page_components.cpp
+++ b/modules/ui_shared/src/ui/screens/node_info/node_info_page_components.cpp
@@ -8,6 +8,7 @@
 #include "app/app_facade_access.h"
 #include "chat/infra/meshtastic/mt_region.h"
 #include "sys/clock.h"
+#include "ui/assets/fonts/font_utils.h"
 #include "ui/localization.h"
 #include "ui/screens/node_info/node_info_page_layout.h"
 #include "ui/ui_common.h"
@@ -175,6 +176,7 @@ lv_obj_t* create_label(lv_obj_t* parent, const char* text, const lv_font_t* font
     lv_label_set_text(label, text);
     lv_obj_set_style_text_font(label, font, 0);
     lv_obj_set_style_text_color(label, color, 0);
+    ::ui::fonts::apply_localized_font(label, text, font);
     return label;
 }
 
@@ -183,6 +185,7 @@ void set_label_text(lv_obj_t* label, const char* text)
     if (label && text)
     {
         lv_label_set_text(label, text);
+        ::ui::fonts::apply_localized_font(label, text, lv_obj_get_style_text_font(label, LV_PART_MAIN));
     }
 }
 
@@ -772,8 +775,8 @@ void set_node_info(const chat::contacts::NodeInfo& node)
     snprintf(role_buf, sizeof(role_buf), "%s", role_text.c_str());
 
     set_label_text(s_widgets.avatar_label, avatar_text);
-    set_label_text(s_widgets.name_label, name.c_str());
-    set_label_text(s_widgets.desc_label, long_name);
+    ::ui::i18n::set_content_label_text_raw(s_widgets.name_label, name.c_str());
+    ::ui::i18n::set_content_label_text_raw(s_widgets.desc_label, long_name);
     set_label_text(s_widgets.id_label, id_buf);
     set_label_text(s_widgets.role_label, role_buf);
 
diff --git a/modules/ui_shared/src/ui/screens/settings/settings_page_components.cpp b/modules/ui_shared/src/ui/screens/settings/settings_page_components.cpp
index 6daf445c..219d8799 100644
--- a/modules/ui_shared/src/ui/screens/settings/settings_page_components.cpp
+++ b/modules/ui_shared/src/ui/screens/settings/settings_page_components.cpp
@@ -6,6 +6,7 @@
 #include <cmath>
 #include <cstdio>
 #include <cstring>
+#include <vector>
 
 #include "app/app_config.h"
 #include "app/app_facade_access.h"
@@ -21,6 +22,7 @@
 #include "platform/ui/settings_store.h"
 #include "platform/ui/time_runtime.h"
 #include "platform/ui/tracker_runtime.h"
+#include "platform/ui/wifi_runtime.h"
 #include "ui/app_runtime.h"
 #include "ui/components/info_card.h"
 #include "ui/localization.h"
@@ -47,9 +49,11 @@ namespace gps_runtime = ::platform::ui::gps;
 namespace screen_runtime = ::platform::ui::screen;
 namespace settings_store = ::platform::ui::settings_store;
 namespace tracker_runtime = ::platform::ui::tracker;
+namespace wifi_runtime = ::platform::ui::wifi;
 
 constexpr size_t kMaxItems = 32;
 constexpr size_t kMaxOptions = 40;
+constexpr size_t kMaxWifiNetworks = 24;
 constexpr const char* kPrefsNs = "settings";
 constexpr int kNetTxPowerMin = app::AppConfig::kTxPowerMinDbm;
 constexpr int kNetTxPowerMax = app::AppConfig::kTxPowerMaxDbm;
@@ -81,9 +85,78 @@ static size_t kMeshCoreRegionPresetOptionCount = 0;
 static settings::ui::SettingOption kTxPowerOptions[64] = {};
 static size_t kTxPowerOptionCount = 0;
 static char kTxPowerLabels[64][12] = {};
+static settings::ui::SettingOption kLocaleOptions[16] = {};
+static size_t kLocaleOptionCount = 0;
+static char kLocaleOptionLabels[16][48] = {};
+static settings::ui::SettingOption kWifiNetworkOptions[kMaxWifiNetworks] = {};
+static size_t kWifiNetworkOptionCount = 0;
+static char kWifiNetworkOptionLabels[kMaxWifiNetworks][64] = {};
+static wifi_runtime::ScanResult kWifiScanResults[kMaxWifiNetworks] = {};
 
 static void update_item_value(settings::ui::ItemWidget& widget);
 static void open_factory_reset_modal();
+static bool option_labels_are_translated(const settings::ui::SettingItem& item);
+static bool option_labels_use_content_font(const settings::ui::SettingItem& item);
+
+static void copy_bounded(char* out, size_t out_len, const char* text)
+{
+    if (!out || out_len == 0)
+    {
+        return;
+    }
+    std::snprintf(out, out_len, "%s", text ? text : "");
+}
+
+static void clear_wifi_scan_options()
+{
+    kWifiNetworkOptionCount = 0;
+    for (size_t i = 0; i < kMaxWifiNetworks; ++i)
+    {
+        kWifiNetworkOptions[i] = settings::ui::SettingOption{};
+        kWifiNetworkOptionLabels[i][0] = '\0';
+        kWifiScanResults[i] = wifi_runtime::ScanResult{};
+    }
+    g_settings.wifi_network_index = -1;
+}
+
+static void rebuild_wifi_scan_options(const std::vector<wifi_runtime::ScanResult>& results)
+{
+    clear_wifi_scan_options();
+
+    const size_t limit = results.size() < kMaxWifiNetworks ? results.size() : kMaxWifiNetworks;
+    for (size_t i = 0; i < limit; ++i)
+    {
+        kWifiScanResults[i] = results[i];
+        std::snprintf(kWifiNetworkOptionLabels[i],
+                      sizeof(kWifiNetworkOptionLabels[i]),
+                      "%s (%d dBm%s)",
+                      results[i].ssid,
+                      results[i].rssi,
+                      results[i].requires_password ? ", lock" : "");
+        kWifiNetworkOptions[i].label = kWifiNetworkOptionLabels[i];
+        kWifiNetworkOptions[i].value = static_cast<int>(i);
+    }
+    kWifiNetworkOptionCount = limit;
+}
+
+static void refresh_wifi_state_from_runtime()
+{
+    wifi_runtime::Config config{};
+    (void)wifi_runtime::load_config(config);
+
+    const wifi_runtime::Status status = wifi_runtime::status();
+    g_settings.wifi_enabled = config.enabled;
+    copy_bounded(g_settings.wifi_ssid, sizeof(g_settings.wifi_ssid), config.ssid);
+    copy_bounded(g_settings.wifi_password, sizeof(g_settings.wifi_password), config.password);
+    if (!status.supported && status.message[0] == '\0')
+    {
+        copy_bounded(g_settings.wifi_status, sizeof(g_settings.wifi_status), "Wi-Fi unsupported");
+    }
+    else
+    {
+        copy_bounded(g_settings.wifi_status, sizeof(g_settings.wifi_status), status.message);
+    }
+}
 
 static bool use_tdeck_info_card_layout()
 {
@@ -609,6 +682,27 @@ static void settings_load()
         }
     }
 
+    kLocaleOptionCount = 0;
+    const size_t locale_limit = sizeof(kLocaleOptions) / sizeof(kLocaleOptions[0]);
+    for (size_t index = 0; index < ::ui::i18n::locale_count() && kLocaleOptionCount < locale_limit; ++index)
+    {
+        const ::ui::i18n::LocaleInfo* locale = ::ui::i18n::locale_at(index);
+        if (!locale)
+        {
+            continue;
+        }
+
+        const char* display_name =
+            (locale->native_name && locale->native_name[0] != '\0') ? locale->native_name : locale->display_name;
+        std::snprintf(kLocaleOptionLabels[kLocaleOptionCount],
+                      sizeof(kLocaleOptionLabels[kLocaleOptionCount]),
+                      "%s",
+                      display_name ? display_name : "");
+        kLocaleOptions[kLocaleOptionCount].label = kLocaleOptionLabels[kLocaleOptionCount];
+        kLocaleOptions[kLocaleOptionCount].value = static_cast<int>(index);
+        ++kLocaleOptionCount;
+    }
+
     app_ctx.getEffectiveUserInfo(g_settings.user_name,
                                  sizeof(g_settings.user_name),
                                  g_settings.short_name,
@@ -734,7 +828,6 @@ static void settings_load()
     }
 
     g_settings.privacy_encrypt_mode = cfg.privacy_encrypt_mode;
-    g_settings.privacy_pki = cfg.privacy_pki;
     g_settings.privacy_nmea_output = cfg.privacy_nmea_output;
     g_settings.privacy_nmea_sentence = cfg.privacy_nmea_sentence;
 
@@ -753,10 +846,11 @@ static void settings_load()
         g_settings.speaker_volume = 100;
     }
     apply_message_tone_volume(static_cast<uint8_t>(g_settings.speaker_volume));
-    g_settings.display_language = static_cast<int>(::ui::i18n::current_language());
+    g_settings.display_locale_index = ::ui::i18n::current_locale_index();
 
     g_settings.ble_enabled = cfg.ble_enabled;
     g_settings.vibration_enabled = prefs_get_bool("vibration_enabled", true);
+    refresh_wifi_state_from_runtime();
 
     g_settings.advanced_debug_logs = prefs_get_bool("adv_debug", false);
 
@@ -785,6 +879,16 @@ static void format_value(const settings::ui::SettingItem& item, char* out, size_
     out[0] = '\0';
     switch (item.type)
     {
+    case settings::ui::SettingType::Info:
+        if (item.text_value && item.text_value[0] != '\0')
+        {
+            std::snprintf(out, out_len, "%s", item.text_value);
+        }
+        else
+        {
+            std::snprintf(out, out_len, "%s", ::ui::i18n::tr("N/A"));
+        }
+        break;
     case settings::ui::SettingType::Toggle:
         snprintf(out, out_len, "%s", ::ui::i18n::tr((item.bool_value && *item.bool_value) ? "ON" : "OFF"));
         break;
@@ -796,7 +900,9 @@ static void format_value(const settings::ui::SettingItem& item, char* out, size_
         {
             if (item.options[i].value == value)
             {
-                label = ::ui::i18n::tr(item.options[i].label);
+                label = option_labels_are_translated(item)
+                            ? ::ui::i18n::tr(item.options[i].label)
+                            : (item.options[i].label ? item.options[i].label : "");
                 break;
             }
         }
@@ -834,7 +940,14 @@ static void update_item_value(settings::ui::ItemWidget& widget)
     }
     char value[48];
     format_value(*widget.def, value, sizeof(value));
-    ::ui::i18n::set_label_text_raw(widget.value_label, value);
+    if (option_labels_use_content_font(*widget.def))
+    {
+        ::ui::i18n::set_content_label_text_raw(widget.value_label, value);
+    }
+    else
+    {
+        ::ui::i18n::set_label_text_raw(widget.value_label, value);
+    }
 }
 
 static void modal_prepare_group()
@@ -1108,6 +1221,18 @@ static void on_text_save_clicked(lv_event_t* e)
             }
             prefs_put_uint_ns("power", "gauge_full_mah", static_cast<uint32_t>(value));
         }
+        if (g_state.editing_item->pref_key &&
+            (strcmp(g_state.editing_item->pref_key, "wifi_ssid") == 0 ||
+             strcmp(g_state.editing_item->pref_key, "wifi_password") == 0))
+        {
+            wifi_runtime::Config config{};
+            config.enabled = g_settings.wifi_enabled;
+            copy_bounded(config.ssid, sizeof(config.ssid), g_settings.wifi_ssid);
+            copy_bounded(config.password, sizeof(config.password), g_settings.wifi_password);
+            (void)wifi_runtime::save_config(config);
+            refresh_wifi_state_from_runtime();
+            update_item_value(*g_state.editing_widget);
+        }
     }
     modal_close();
 }
@@ -1199,14 +1324,36 @@ static void on_option_clicked(lv_event_t* e)
         prefs_put_int(payload->item->pref_key, payload->value);
     }
     update_item_value(*payload->widget);
-    if (payload->item->pref_key && strcmp(payload->item->pref_key, "display_language") == 0)
+    if (payload->item->pref_key && strcmp(payload->item->pref_key, "display_locale") == 0)
     {
-        const ::ui::i18n::Language target_language = ::ui::i18n::language_from_raw(payload->value);
-        if (::ui::i18n::set_language(target_language, true))
+        if (::ui::i18n::set_locale_by_index(static_cast<size_t>(payload->value), true))
         {
             refresh_menu_labels = true;
             rebuild_active_app = true;
         }
+        else
+        {
+            *payload->item->enum_value = previous_value;
+        }
+        g_settings.display_locale_index = ::ui::i18n::current_locale_index();
+        update_item_value(*payload->widget);
+    }
+    if (payload->item->pref_key && strcmp(payload->item->pref_key, "wifi_network") == 0)
+    {
+        if (payload->value >= 0 &&
+            static_cast<size_t>(payload->value) < kWifiNetworkOptionCount)
+        {
+            const wifi_runtime::ScanResult& result =
+                kWifiScanResults[static_cast<size_t>(payload->value)];
+            copy_bounded(g_settings.wifi_ssid, sizeof(g_settings.wifi_ssid), result.ssid);
+            wifi_runtime::Config config{};
+            config.enabled = g_settings.wifi_enabled;
+            copy_bounded(config.ssid, sizeof(config.ssid), g_settings.wifi_ssid);
+            copy_bounded(config.password, sizeof(config.password), g_settings.wifi_password);
+            (void)wifi_runtime::save_config(config);
+            refresh_wifi_state_from_runtime();
+            rebuild_list = true;
+        }
     }
     if (payload->item->pref_key && strcmp(payload->item->pref_key, "mesh_protocol") == 0)
     {
@@ -1711,7 +1858,21 @@ static void open_option_modal(const settings::ui::SettingItem& item, settings::u
         lv_obj_set_size(btn, LV_PCT(100), ::ui::page_profile::resolve_control_button_height());
         style::apply_btn_modal(btn);
         lv_obj_t* label = lv_label_create(btn);
-        ::ui::i18n::set_label_text(label, item.options[i].label);
+        if (option_labels_are_translated(item))
+        {
+            ::ui::i18n::set_label_text(label, item.options[i].label);
+        }
+        else
+        {
+            if (option_labels_use_content_font(item))
+            {
+                ::ui::i18n::set_content_label_text_raw(label, item.options[i].label);
+            }
+            else
+            {
+                ::ui::i18n::set_label_text_raw(label, item.options[i].label);
+            }
+        }
         style::apply_label_primary(label);
         lv_obj_center(label);
 
@@ -1964,11 +2125,6 @@ static const settings::ui::SettingOption kSpeakerVolumeOptions[] = {
     {"100%", 100},
 };
 
-static const settings::ui::SettingOption kLanguageOptions[] = {
-    {"English", static_cast<int>(::ui::i18n::Language::English)},
-    {"Chinese", static_cast<int>(::ui::i18n::Language::Chinese)},
-};
-
 static const settings::ui::SettingOption kTimeZoneOptions[] = {
     {"UTC", 0},
     {"Beijing (UTC+8)", 480},
@@ -2024,7 +2180,6 @@ static settings::ui::SettingItem kChatItems[] = {
     {"Channel", settings::ui::SettingType::Enum, kChatChannelOptions, 2, &g_settings.chat_channel, nullptr, nullptr, 0, false, "chat_channel"},
     {"Channel Key / PSK", settings::ui::SettingType::Text, nullptr, 0, nullptr, nullptr, g_settings.chat_psk, sizeof(g_settings.chat_psk), true, "chat_psk"},
     {"Encryption Mode", settings::ui::SettingType::Enum, kPrivacyEncryptOptions, 3, &g_settings.privacy_encrypt_mode, nullptr, nullptr, 0, false, "privacy_encrypt"},
-    {"PKI", settings::ui::SettingType::Toggle, nullptr, 0, nullptr, &g_settings.privacy_pki, nullptr, 0, false, "privacy_pki"},
     {"Reset Mesh Profiles", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "chat_reset_mesh"},
     {"Reset Node DB", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "chat_reset_nodes"},
     {"Clear Message DB", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "chat_clear_messages"},
@@ -2063,9 +2218,9 @@ static settings::ui::SettingItem kNetworkItems[] = {
 };
 
 static settings::ui::SettingItem kScreenItems[] = {
-    {"Display Language", settings::ui::SettingType::Enum, kLanguageOptions,
-     sizeof(kLanguageOptions) / sizeof(kLanguageOptions[0]), &g_settings.display_language, nullptr, nullptr, 0, false,
-     "display_language"},
+    {"Display Language", settings::ui::SettingType::Enum, kLocaleOptions,
+     0, &g_settings.display_locale_index, nullptr, nullptr, 0, false,
+     "display_locale"},
     {"Screen Timeout", settings::ui::SettingType::Enum, kScreenTimeoutOptions, 4, &g_settings.screen_timeout_ms, nullptr, nullptr, 0, false, "screen_timeout"},
     {"Screen Brightness", settings::ui::SettingType::Enum, kScreenBrightnessOptions,
      sizeof(kScreenBrightnessOptions) / sizeof(kScreenBrightnessOptions[0]), &g_settings.screen_brightness, nullptr, nullptr, 0, false, "screen_brightness"},
@@ -2081,6 +2236,17 @@ static settings::ui::SettingItem kScreenItems[] = {
     {"Factory Reset", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "system_factory_reset"},
 };
 
+static settings::ui::SettingItem kWifiItems[] = {
+    {"Wi-Fi Enabled", settings::ui::SettingType::Toggle, nullptr, 0, nullptr, &g_settings.wifi_enabled, nullptr, 0, false, "wifi_enabled"},
+    {"Status", settings::ui::SettingType::Info, nullptr, 0, nullptr, nullptr, g_settings.wifi_status, sizeof(g_settings.wifi_status), false, "wifi_status"},
+    {"Scan Networks", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "wifi_scan"},
+    {"Detected Network", settings::ui::SettingType::Enum, kWifiNetworkOptions, 0, &g_settings.wifi_network_index, nullptr, nullptr, 0, false, "wifi_network"},
+    {"SSID", settings::ui::SettingType::Text, nullptr, 0, nullptr, nullptr, g_settings.wifi_ssid, sizeof(g_settings.wifi_ssid), false, "wifi_ssid"},
+    {"Password", settings::ui::SettingType::Text, nullptr, 0, nullptr, nullptr, g_settings.wifi_password, sizeof(g_settings.wifi_password), true, "wifi_password"},
+    {"Connect", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "wifi_connect"},
+    {"Disconnect", settings::ui::SettingType::Action, nullptr, 0, nullptr, nullptr, nullptr, 0, false, "wifi_disconnect"},
+};
+
 static settings::ui::SettingItem kAdvancedItems[] = {
     {"Debug Logs", settings::ui::SettingType::Toggle, nullptr, 0, nullptr, &g_settings.advanced_debug_logs, nullptr, 0, false, "adv_debug"},
 };
@@ -2091,6 +2257,7 @@ static const CategoryDef kCategories[] = {
     {"Chat", kChatItems, sizeof(kChatItems) / sizeof(kChatItems[0])},
     {"Network", kNetworkItems, sizeof(kNetworkItems) / sizeof(kNetworkItems[0])},
     {"System", kScreenItems, sizeof(kScreenItems) / sizeof(kScreenItems[0])},
+    {"Wi-Fi", kWifiItems, sizeof(kWifiItems) / sizeof(kWifiItems[0])},
     {"Advanced", kAdvancedItems, sizeof(kAdvancedItems) / sizeof(kAdvancedItems[0])},
 };
 
@@ -2169,6 +2336,18 @@ static bool has_pref_key(const settings::ui::SettingItem& item, const char* key)
     return item.pref_key && key && strcmp(item.pref_key, key) == 0;
 }
 
+static bool option_labels_are_translated(const settings::ui::SettingItem& item)
+{
+    return !has_pref_key(item, "display_locale") &&
+           !has_pref_key(item, "wifi_network");
+}
+
+static bool option_labels_use_content_font(const settings::ui::SettingItem& item)
+{
+    return has_pref_key(item, "display_locale") ||
+           has_pref_key(item, "wifi_network");
+}
+
 static bool should_show_item(const settings::ui::SettingItem& item)
 {
     if (!item.pref_key)
@@ -2176,6 +2355,18 @@ static bool should_show_item(const settings::ui::SettingItem& item)
         return true;
     }
 
+    if (has_pref_key(item, "wifi_network"))
+    {
+        return wifi_runtime::is_supported() && kWifiNetworkOptionCount > 0;
+    }
+    if ((has_pref_key(item, "wifi_scan") || has_pref_key(item, "wifi_connect") ||
+         has_pref_key(item, "wifi_disconnect") || has_pref_key(item, "wifi_ssid") ||
+         has_pref_key(item, "wifi_password") || has_pref_key(item, "wifi_enabled")) &&
+        !wifi_runtime::is_supported())
+    {
+        return false;
+    }
+
     const bool meshcore = is_meshcore_protocol_selected();
     const bool rnode = is_rnode_protocol_selected();
 
@@ -2189,17 +2380,11 @@ static bool should_show_item(const settings::ui::SettingItem& item)
     {
         return false;
     }
-    if (has_pref_key(item, "display_language") && !::ui::i18n::supports_chinese())
-    {
-        return false;
-    }
-
     if (meshcore)
     {
         if (has_pref_key(item, "chat_region")) return false;
         if (has_pref_key(item, "chat_channel")) return false;
         if (has_pref_key(item, "chat_psk")) return false;
-        if (has_pref_key(item, "privacy_pki")) return false;
 
         if (has_pref_key(item, "net_use_preset")) return false;
         if (has_pref_key(item, "net_preset")) return false;
@@ -2219,7 +2404,6 @@ static bool should_show_item(const settings::ui::SettingItem& item)
         if (has_pref_key(item, "chat_channel")) return false;
         if (has_pref_key(item, "chat_psk")) return false;
         if (has_pref_key(item, "privacy_encrypt")) return false;
-        if (has_pref_key(item, "privacy_pki")) return false;
 
         if (has_pref_key(item, "net_use_preset")) return false;
         if (has_pref_key(item, "net_preset")) return false;
@@ -2311,6 +2495,16 @@ static void build_item_list()
         {
             const_cast<settings::ui::SettingItem*>(widget.def)->option_count = kMeshCoreRegionPresetOptionCount;
         }
+        if (widget.def && widget.def->pref_key &&
+            strcmp(widget.def->pref_key, "display_locale") == 0)
+        {
+            const_cast<settings::ui::SettingItem*>(widget.def)->option_count = kLocaleOptionCount;
+        }
+        if (widget.def && widget.def->pref_key &&
+            strcmp(widget.def->pref_key, "wifi_network") == 0)
+        {
+            const_cast<settings::ui::SettingItem*>(widget.def)->option_count = kWifiNetworkOptionCount;
+        }
         if (widget.def && widget.def->pref_key &&
             (strcmp(widget.def->pref_key, "net_tx_power") == 0 || strcmp(widget.def->pref_key, "mc_tx_power") == 0))
         {
@@ -2367,6 +2561,10 @@ static bool activate_item_widget(settings::ui::ItemWidget& widget)
     }
 
     const SettingItem& item = *widget.def;
+    if (item.type == settings::ui::SettingType::Info)
+    {
+        return false;
+    }
     if (item.type == settings::ui::SettingType::Toggle)
     {
         if (item.bool_value)
@@ -2445,13 +2643,6 @@ static bool activate_item_widget(settings::ui::ItemWidget& widget)
                 app_ctx.saveConfig();
                 app_ctx.applyMeshConfig();
             }
-            if (item.pref_key && strcmp(item.pref_key, "privacy_pki") == 0)
-            {
-                app::IAppFacade& app_ctx = app::appFacade();
-                app_ctx.getConfig().privacy_pki = *item.bool_value;
-                app_ctx.saveConfig();
-                app_ctx.applyPrivacyConfig();
-            }
             if (item.pref_key && strcmp(item.pref_key, "ble_enabled") == 0)
             {
                 app::IAppFacade& app_ctx = app::appFacade();
@@ -2459,6 +2650,24 @@ static bool activate_item_widget(settings::ui::ItemWidget& widget)
                 app_ctx.saveConfig();
                 app_ctx.setBleEnabled(*item.bool_value);
             }
+            if (item.pref_key && strcmp(item.pref_key, "wifi_enabled") == 0)
+            {
+                wifi_runtime::Config config{};
+                config.enabled = *item.bool_value;
+                copy_bounded(config.ssid, sizeof(config.ssid), g_settings.wifi_ssid);
+                copy_bounded(config.password, sizeof(config.password), g_settings.wifi_password);
+                (void)wifi_runtime::save_config(config);
+                if (!wifi_runtime::apply_enabled(config.enabled) && config.enabled)
+                {
+                    ::ui::SystemNotification::show(::ui::i18n::tr("Wi-Fi start failed"), 3000);
+                }
+                if (!config.enabled)
+                {
+                    clear_wifi_scan_options();
+                }
+                refresh_wifi_state_from_runtime();
+                build_item_list();
+            }
             if (item.pref_key && strcmp(item.pref_key, "vibration_enabled") == 0 && *item.bool_value)
             {
                 device_runtime::trigger_haptic();
@@ -2494,6 +2703,52 @@ static bool activate_item_widget(settings::ui::ItemWidget& widget)
         {
             open_factory_reset_modal();
         }
+        else if (item.pref_key && strcmp(item.pref_key, "wifi_scan") == 0)
+        {
+            std::vector<wifi_runtime::ScanResult> results;
+            if (!wifi_runtime::scan(results))
+            {
+                refresh_wifi_state_from_runtime();
+            }
+            else
+            {
+                rebuild_wifi_scan_options(results);
+                for (size_t i = 0; i < kWifiNetworkOptionCount; ++i)
+                {
+                    if (std::strcmp(kWifiScanResults[i].ssid, g_settings.wifi_ssid) == 0)
+                    {
+                        g_settings.wifi_network_index = static_cast<int>(i);
+                        break;
+                    }
+                }
+                refresh_wifi_state_from_runtime();
+            }
+            build_item_list();
+        }
+        else if (item.pref_key && strcmp(item.pref_key, "wifi_connect") == 0)
+        {
+            wifi_runtime::Config config{};
+            config.enabled = true;
+            copy_bounded(config.ssid, sizeof(config.ssid), g_settings.wifi_ssid);
+            copy_bounded(config.password, sizeof(config.password), g_settings.wifi_password);
+            g_settings.wifi_enabled = true;
+            (void)wifi_runtime::save_config(config);
+            if (!wifi_runtime::apply_enabled(true) || !wifi_runtime::connect(&config))
+            {
+                refresh_wifi_state_from_runtime();
+            }
+            else
+            {
+                refresh_wifi_state_from_runtime();
+            }
+            build_item_list();
+        }
+        else if (item.pref_key && strcmp(item.pref_key, "wifi_disconnect") == 0)
+        {
+            wifi_runtime::disconnect();
+            refresh_wifi_state_from_runtime();
+            build_item_list();
+        }
         return true;
     }
 
diff --git a/modules/ui_shared/src/ui/screens/team/team_page_components.cpp b/modules/ui_shared/src/ui/screens/team/team_page_components.cpp
index 97b0737e..d69d350f 100644
--- a/modules/ui_shared/src/ui/screens/team/team_page_components.cpp
+++ b/modules/ui_shared/src/ui/screens/team/team_page_components.cpp
@@ -573,7 +573,7 @@ lv_obj_t* create_list_item(const char* left, const char* right)
     style::apply_list_item(btn);
 
     lv_obj_t* left_label = lv_label_create(btn);
-    ::ui::i18n::set_label_text_raw(left_label, left);
+    ::ui::i18n::set_content_label_text_raw(left_label, left);
     lv_obj_set_width(left_label, LV_PCT(70));
     lv_label_set_long_mode(left_label, LV_LABEL_LONG_CLIP);
 
@@ -2110,7 +2110,7 @@ void render_team_home()
         for (const auto& m : g_team_state.members)
         {
             lv_obj_t* label = lv_label_create(row);
-            ::ui::i18n::set_label_text_raw(label, m.name.c_str());
+            ::ui::i18n::set_content_label_text_raw(label, m.name.c_str());
             lv_label_set_long_mode(label, LV_LABEL_LONG_CLIP);
             lv_obj_set_width(label, LV_PCT(24));
             lv_obj_set_style_bg_opa(label, LV_OPA_COVER, 0);
@@ -2182,7 +2182,7 @@ void render_join_pending()
             for (const auto& m : g_team_state.members)
             {
                 lv_obj_t* label = lv_label_create(row);
-                ::ui::i18n::set_label_text_raw(label, m.name.c_str());
+                ::ui::i18n::set_content_label_text_raw(label, m.name.c_str());
                 lv_label_set_long_mode(label, LV_LABEL_LONG_CLIP);
                 lv_obj_set_width(label, LV_PCT(24));
                 lv_obj_set_style_bg_opa(label, LV_OPA_COVER, 0);
diff --git a/modules/ui_shared/src/ui/screens/tracker/tracker_page_components.cpp b/modules/ui_shared/src/ui/screens/tracker/tracker_page_components.cpp
index 9f6a0201..be5cd6f1 100644
--- a/modules/ui_shared/src/ui/screens/tracker/tracker_page_components.cpp
+++ b/modules/ui_shared/src/ui/screens/tracker/tracker_page_components.cpp
@@ -4,7 +4,7 @@
 #include "platform/ui/device_runtime.h"
 #include "platform/ui/route_storage.h"
 #include "platform/ui/tracker_runtime.h"
-#include "ui/assets/fonts/fonts.h"
+#include "ui/assets/fonts/font_utils.h"
 #include "ui/localization.h"
 #include "ui/page/page_profile.h"
 #include "ui/screens/tracker/tracker_page_input.h"
@@ -251,7 +251,7 @@ void init_button_styles()
 
     lv_style_init(&s_btn_label);
     lv_style_set_text_color(&s_btn_label, lv_color_hex(kPanelBtnText));
-    lv_style_set_text_font(&s_btn_label, &lv_font_noto_cjk_16_2bpp);
+    lv_style_set_text_font(&s_btn_label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()));
 
     s_btn_styles_inited = true;
 }
@@ -414,7 +414,7 @@ lv_obj_t* create_list_item_button(const std::string& text, intptr_t user_data, b
     lv_obj_align(label, LV_ALIGN_LEFT_MID, 10, 0);
     lv_label_set_text(label, text.c_str());
     lv_obj_add_style(label, &s_btn_label, LV_PART_MAIN);
-    lv_obj_set_style_text_font(label, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_label_set_long_mode(label, LV_LABEL_LONG_DOT);
     lv_obj_set_width(label, LV_PCT(100));
 
@@ -575,8 +575,7 @@ void update_record_status()
     const bool recording = platform::ui::tracker::is_recording();
     if (state.mode == TrackerPageState::Mode::Record)
     {
-        lv_label_set_text(state.status_label,
-                          ::ui::i18n::tr(recording ? "Recording" : "Stopped"));
+        ::ui::i18n::set_label_text(state.status_label, recording ? "Recording" : "Stopped");
     }
 }
 
@@ -586,7 +585,7 @@ void update_start_stop_button()
     const bool recording = platform::ui::tracker::is_recording();
     if (state.start_stop_label)
     {
-        lv_label_set_text(state.start_stop_label, ::ui::i18n::tr(recording ? "Stop" : "New"));
+        ::ui::i18n::set_label_text(state.start_stop_label, recording ? "Stop" : "New");
     }
 }
 
@@ -752,22 +751,23 @@ void update_route_status()
     {
         return;
     }
-    lv_obj_set_style_text_font(state.status_label, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(
+        state.status_label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     if (state.mode == TrackerPageState::Mode::Route)
     {
         if (!state.active_route.empty())
         {
             const std::string text = ::ui::i18n::format("Active: %s", state.active_route.c_str());
-            lv_label_set_text(state.status_label, text.c_str());
+            ::ui::i18n::set_label_text_raw(state.status_label, text.c_str());
         }
         else if (!state.selected_route.empty())
         {
             const std::string text = ::ui::i18n::format("Selected: %s", state.selected_route.c_str());
-            lv_label_set_text(state.status_label, text.c_str());
+            ::ui::i18n::set_label_text_raw(state.status_label, text.c_str());
         }
         else
         {
-            lv_label_set_text(state.status_label, ::ui::i18n::tr("No route selected"));
+            ::ui::i18n::set_label_text(state.status_label, "No route selected");
         }
     }
 }
@@ -976,7 +976,7 @@ lv_obj_t* create_action_menu_button(lv_obj_t* parent, const char* text)
     lv_obj_set_size(btn, LV_PCT(100), action_menu_button_height());
 
     lv_obj_t* label = lv_label_create(btn);
-    lv_label_set_text(label, ::ui::i18n::tr(text));
+    ::ui::i18n::set_label_text(label, text);
     lv_obj_center(label);
     apply_action_button(btn, label);
     return btn;
@@ -1088,7 +1088,7 @@ void open_action_menu_modal()
 
     lv_obj_t* title_label = lv_label_create(win);
     const char* title = (state.mode == TrackerPageState::Mode::Record) ? "Track Actions" : "Route Actions";
-    lv_label_set_text(title_label, ::ui::i18n::tr(title));
+    ::ui::i18n::set_label_text(title_label, title);
     lv_obj_set_width(title_label, LV_PCT(100));
     lv_label_set_long_mode(title_label, LV_LABEL_LONG_DOT);
     lv_obj_set_style_text_align(title_label, LV_TEXT_ALIGN_CENTER, 0);
@@ -1162,7 +1162,7 @@ void on_list_item_focused(lv_event_t* e)
     {
         if (lv_obj_t* label = lv_obj_get_child(target, -1))
         {
-            lv_label_set_text(label, ::ui::i18n::tr("Back"));
+            ::ui::i18n::set_label_text(label, "Back");
             lv_label_set_long_mode(label, LV_LABEL_LONG_DOT);
         }
         return;
@@ -1184,7 +1184,7 @@ void on_list_item_focused(lv_event_t* e)
         return;
     }
     lv_label_set_text(label, names[idx].c_str());
-    lv_obj_set_style_text_font(label, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
 }
 
@@ -1229,7 +1229,7 @@ void on_list_item_defocused(lv_event_t* e)
     std::string display_name = format_list_name(names[idx]);
     lv_label_set_text(label, display_name.c_str());
     lv_obj_add_style(label, &s_btn_label, LV_PART_MAIN);
-    lv_obj_set_style_text_font(label, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_label_set_long_mode(label, LV_LABEL_LONG_DOT);
 }
 
@@ -1278,7 +1278,7 @@ void on_route_load_clicked(lv_event_t*)
     {
         if (state.status_label)
         {
-            lv_label_set_text(state.status_label, ::ui::i18n::tr("Select a route"));
+            ::ui::i18n::set_label_text(state.status_label, "Select a route");
         }
         return;
     }
@@ -1336,7 +1336,7 @@ void on_del_confirm_clicked(lv_event_t*)
             {
                 if (state.status_label)
                 {
-                    lv_label_set_text(state.status_label, ::ui::i18n::tr("Stop recording first"));
+                    ::ui::i18n::set_label_text(state.status_label, "Stop recording first");
                 }
                 modal_close(state.del_confirm_modal);
                 return;
@@ -1382,7 +1382,7 @@ void on_del_confirm_clicked(lv_event_t*)
 
     if (!ok && state.status_label)
     {
-        lv_label_set_text(state.status_label, ::ui::i18n::tr("Delete failed"));
+        ::ui::i18n::set_label_text(state.status_label, "Delete failed");
     }
     modal_close(state.del_confirm_modal);
 }
@@ -1407,7 +1407,7 @@ void open_delete_confirm_modal()
         {
             if (state.status_label)
             {
-                lv_label_set_text(state.status_label, ::ui::i18n::tr("Select a track"));
+                ::ui::i18n::set_label_text(state.status_label, "Select a track");
             }
             return;
         }
@@ -1424,7 +1424,7 @@ void open_delete_confirm_modal()
         {
             if (state.status_label)
             {
-                lv_label_set_text(state.status_label, ::ui::i18n::tr("Select a route"));
+                ::ui::i18n::set_label_text(state.status_label, "Select a route");
             }
             return;
         }
@@ -1440,7 +1440,7 @@ void open_delete_confirm_modal()
 
     const std::string msg = ::ui::i18n::format("Delete %s?", state.pending_delete_name.c_str());
     lv_obj_t* label = lv_label_create(win);
-    lv_label_set_text(label, msg.c_str());
+    ::ui::i18n::set_label_text_raw(label, msg.c_str());
     lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 10);
 
     lv_obj_t* btn_row = lv_obj_create(win);
@@ -1457,7 +1457,7 @@ void open_delete_confirm_modal()
     lv_obj_t* confirm_btn = lv_btn_create(btn_row);
     lv_obj_set_size(confirm_btn, modal_button_width(), action_menu_button_height());
     lv_obj_t* confirm_label = lv_label_create(confirm_btn);
-    lv_label_set_text(confirm_label, ::ui::i18n::tr("Confirm"));
+    ::ui::i18n::set_label_text(confirm_label, "Confirm");
     lv_obj_center(confirm_label);
     apply_action_button(confirm_btn, confirm_label);
     lv_obj_add_event_cb(confirm_btn, on_del_confirm_clicked, LV_EVENT_CLICKED, nullptr);
@@ -1465,7 +1465,7 @@ void open_delete_confirm_modal()
     lv_obj_t* cancel_btn = lv_btn_create(btn_row);
     lv_obj_set_size(cancel_btn, modal_button_width(), action_menu_button_height());
     lv_obj_t* cancel_label = lv_label_create(cancel_btn);
-    lv_label_set_text(cancel_label, ::ui::i18n::tr("Cancel"));
+    ::ui::i18n::set_label_text(cancel_label, "Cancel");
     lv_obj_center(cancel_label);
     apply_action_button(cancel_btn, cancel_label);
     lv_obj_add_event_cb(cancel_btn, on_del_cancel_clicked, LV_EVENT_CLICKED, nullptr);
@@ -1513,20 +1513,23 @@ void init_page(lv_obj_t* parent)
     lv_obj_set_width(state.mode_record_btn, LV_PCT(100));
     lv_obj_set_height(state.mode_record_btn, filter_button_height());
     state.mode_record_label = lv_label_create(state.mode_record_btn);
-    lv_label_set_text(state.mode_record_label, ::ui::i18n::tr("Record"));
+    lv_obj_add_style(state.mode_record_label, &s_btn_label, LV_PART_MAIN);
+    ::ui::i18n::set_label_text(state.mode_record_label, "Record");
     lv_obj_center(state.mode_record_label);
 
     state.mode_route_btn = lv_btn_create(state.filter_panel);
     lv_obj_set_width(state.mode_route_btn, LV_PCT(100));
     lv_obj_set_height(state.mode_route_btn, filter_button_height());
     state.mode_route_label = lv_label_create(state.mode_route_btn);
-    lv_label_set_text(state.mode_route_label, ::ui::i18n::tr("Route"));
+    lv_obj_add_style(state.mode_route_label, &s_btn_label, LV_PART_MAIN);
+    ::ui::i18n::set_label_text(state.mode_route_label, "Route");
     lv_obj_center(state.mode_route_label);
 
     state.status_label = lv_label_create(state.list_panel);
-    lv_label_set_text(state.status_label, ::ui::i18n::tr("Stopped"));
+    ::ui::i18n::set_label_text(state.status_label, "Stopped");
     lv_obj_set_width(state.status_label, LV_PCT(100));
-    lv_obj_set_style_text_font(state.status_label, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(
+        state.status_label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_set_style_text_color(state.status_label, lv_color_hex(kPanelTextMuted), 0);
 
     state.list_container = layout::create_list_container(state.list_panel);
diff --git a/modules/ui_shared/src/ui/startup_shell.cpp b/modules/ui_shared/src/ui/startup_shell.cpp
index baf8088a..7292fe8f 100644
--- a/modules/ui_shared/src/ui/startup_shell.cpp
+++ b/modules/ui_shared/src/ui/startup_shell.cpp
@@ -104,7 +104,6 @@ void prepareBootUi(bool waking_from_sleep)
 
 void initializeShell(const Hooks& hooks)
 {
-    ::ui::i18n::reload_language();
     lv_obj_set_style_bg_color(lv_screen_active(), lv_color_black(), LV_PART_MAIN);
     lv_obj_set_style_radius(lv_screen_active(), 0, 0);
 
diff --git a/modules/ui_shared/src/ui/startup_ui_shell.cpp b/modules/ui_shared/src/ui/startup_ui_shell.cpp
index 6955871d..03f0163c 100644
--- a/modules/ui_shared/src/ui/startup_ui_shell.cpp
+++ b/modules/ui_shared/src/ui/startup_ui_shell.cpp
@@ -55,7 +55,6 @@ bool initializeMenuSkeleton(const Hooks& hooks)
     }
 
     lv_obj_t* active_screen = lv_screen_active();
-    ::ui::i18n::reload_language();
     lv_obj_set_style_bg_color(active_screen, lv_color_black(), LV_PART_MAIN);
     lv_obj_set_style_radius(active_screen, 0, 0);
 
diff --git a/modules/ui_shared/src/ui/ui_status.cpp b/modules/ui_shared/src/ui/ui_status.cpp
index 76d68336..feb76a96 100644
--- a/modules/ui_shared/src/ui/ui_status.cpp
+++ b/modules/ui_shared/src/ui/ui_status.cpp
@@ -11,6 +11,7 @@
 #include "chat/usecase/chat_service.h"
 #include "platform/ui/gps_runtime.h"
 #include "platform/ui/tracker_runtime.h"
+#include "platform/ui/wifi_runtime.h"
 #include "sys/clock.h"
 #if !defined(GAT562_NO_TEAM) || !GAT562_NO_TEAM
 #include "ui/screens/team/team_ui_store.h"
@@ -23,6 +24,7 @@ extern "C"
     extern const lv_image_dsc_t gps_topbar;
     extern const lv_image_dsc_t message_topbar;
     extern const lv_image_dsc_t route_topbar;
+    extern const lv_image_dsc_t wifi_topbar;
 #if !defined(GAT562_NO_TEAM) || !GAT562_NO_TEAM
     extern const lv_image_dsc_t team_topbar;
 #endif
@@ -42,6 +44,7 @@ struct StatusSnapshot
     bool route_active = false;
     bool track_recording = false;
     bool gps_enabled = false;
+    bool wifi_enabled = false;
     bool team_active = false;
     bool ble_enabled = false;
     int unread = 0;
@@ -60,6 +63,7 @@ lv_obj_t* s_menu_status_row = nullptr;
 lv_obj_t* s_menu_route_icon = nullptr;
 lv_obj_t* s_menu_tracker_icon = nullptr;
 lv_obj_t* s_menu_gps_icon = nullptr;
+lv_obj_t* s_menu_wifi_icon = nullptr;
 lv_obj_t* s_menu_team_icon = nullptr;
 lv_obj_t* s_menu_msg_icon = nullptr;
 lv_obj_t* s_menu_ble_icon = nullptr;
@@ -114,6 +118,7 @@ StatusSnapshot collect_status()
     snap.route_active = cfg.route_enabled && (cfg.route_path[0] != '\0');
     snap.track_recording = platform::ui::tracker::is_recording();
     snap.gps_enabled = platform::ui::gps::is_enabled();
+    snap.wifi_enabled = platform::ui::wifi::status().enabled;
     if (auto* ble = app::runtimeFacade().getBleManager())
     {
         snap.ble_enabled = ble->isEnabled();
@@ -156,6 +161,7 @@ void apply_menu_icons(const StatusSnapshot& snap)
     apply_icon(s_menu_route_icon, &route_topbar, snap.route_active);
     apply_icon(s_menu_tracker_icon, &tracker_topbar, snap.track_recording);
     apply_icon(s_menu_gps_icon, &gps_topbar, snap.gps_enabled);
+    apply_icon(s_menu_wifi_icon, &wifi_topbar, snap.wifi_enabled);
 #if !defined(GAT562_NO_TEAM) || !GAT562_NO_TEAM
     apply_icon(s_menu_team_icon, &team_topbar, snap.team_active);
 #else
@@ -164,9 +170,9 @@ void apply_menu_icons(const StatusSnapshot& snap)
     apply_icon(s_menu_msg_icon, &message_topbar, snap.unread > 0);
     apply_icon(s_menu_ble_icon, &ble_topbar, snap.ble_enabled);
 
-    const bool any =
-        snap.route_active || snap.track_recording || snap.gps_enabled || snap.team_active ||
-        snap.ble_enabled || (snap.unread > 0);
+    const bool any = snap.route_active || snap.track_recording || snap.gps_enabled ||
+                     snap.wifi_enabled || snap.team_active || snap.ble_enabled ||
+                     (snap.unread > 0);
     if (any)
     {
         lv_obj_clear_flag(s_menu_status_row, LV_OBJ_FLAG_HIDDEN);
@@ -227,6 +233,7 @@ void register_menu_status_row(lv_obj_t* row,
                               lv_obj_t* route_icon,
                               lv_obj_t* tracker_icon,
                               lv_obj_t* gps_icon,
+                              lv_obj_t* wifi_icon,
                               lv_obj_t* team_icon,
                               lv_obj_t* msg_icon,
                               lv_obj_t* ble_icon)
@@ -235,6 +242,7 @@ void register_menu_status_row(lv_obj_t* row,
     s_menu_route_icon = route_icon;
     s_menu_tracker_icon = tracker_icon;
     s_menu_gps_icon = gps_icon;
+    s_menu_wifi_icon = wifi_icon;
     s_menu_team_icon = team_icon;
     s_menu_msg_icon = msg_icon;
     s_menu_ble_icon = ble_icon;
diff --git a/modules/ui_shared/src/ui/widgets/ime/ime_widget.cpp b/modules/ui_shared/src/ui/widgets/ime/ime_widget.cpp
index 7b0f0d01..e08db072 100644
--- a/modules/ui_shared/src/ui/widgets/ime/ime_widget.cpp
+++ b/modules/ui_shared/src/ui/widgets/ime/ime_widget.cpp
@@ -6,7 +6,6 @@
 #include "ui/widgets/ime/ime_widget.h"
 
 #include "ui/assets/fonts/font_utils.h"
-#include "ui/assets/fonts/fonts.h"
 #include "ui/localization.h"
 #include "ui/page/page_profile.h"
 
@@ -25,6 +24,11 @@ namespace
 ImeWidget* s_active_ime = nullptr;
 static constexpr int kCandidatesPerPage = 12;
 
+bool script_input_available()
+{
+    return ::ui::i18n::active_locale_supports_script_input();
+}
+
 #if UI_SHARED_TOUCH_IME_ENABLED
 static const char* kTouchEnMap[] = {
     "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", "Bksp", "\n",
@@ -103,7 +107,7 @@ void set_button_label(lv_obj_t* button, const char* text)
     {
         label = lv_label_create(button);
     }
-    lv_obj_set_style_text_font(label, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(label, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_set_style_text_color(label, lv_color_hex(0x3A2A1A), 0);
     lv_label_set_text(label, text ? text : "");
     lv_obj_center(label);
@@ -246,7 +250,7 @@ void ImeWidget::init_compact_ui(lv_obj_t* parent)
 
     toggle_label_ = lv_label_create(toggle_btn_);
     lv_label_set_text(toggle_label_, "EN");
-    lv_obj_set_style_text_font(toggle_label_, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(toggle_label_, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_set_style_text_color(toggle_label_, lv_color_hex(0x3A2A1A), 0);
     lv_obj_center(toggle_label_);
 
@@ -266,7 +270,7 @@ void ImeWidget::init_compact_ui(lv_obj_t* parent)
 
     candidates_label_ = lv_label_create(container_);
     lv_label_set_text(candidates_label_, "");
-    lv_obj_set_style_text_font(candidates_label_, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(candidates_label_, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_set_style_text_color(candidates_label_, lv_color_hex(0x3A2A1A), 0);
     lv_obj_set_flex_grow(candidates_label_, 1);
     lv_obj_set_style_text_align(candidates_label_, LV_TEXT_ALIGN_RIGHT, 0);
@@ -335,7 +339,7 @@ void ImeWidget::init_touch_ui(lv_obj_t* parent)
     ::ui::i18n::set_label_text(candidates_label_, "English keyboard");
     lv_obj_set_flex_grow(candidates_label_, 1);
     lv_obj_set_style_text_align(candidates_label_, LV_TEXT_ALIGN_LEFT, 0);
-    lv_obj_set_style_text_font(candidates_label_, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(candidates_label_, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_set_style_text_color(candidates_label_, lv_color_hex(0x6B4A1E), 0);
 
     candidate_row_ = lv_obj_create(container_);
@@ -362,7 +366,8 @@ void ImeWidget::init_touch_ui(lv_obj_t* parent)
         set_button_label(candidate_btns_[i], "");
         apply_candidate_button_style(candidate_btns_[i], false);
         lv_obj_add_event_cb(candidate_btns_[i], on_candidate_clicked, LV_EVENT_CLICKED, this);
-        lv_obj_set_style_text_font(candidate_btns_[i], &lv_font_noto_cjk_16_2bpp, LV_PART_MAIN);
+        lv_obj_set_style_text_font(
+            candidate_btns_[i], ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), LV_PART_MAIN);
     }
 
     candidate_next_btn_ = lv_btn_create(candidate_row_);
@@ -420,6 +425,11 @@ void ImeWidget::detach()
 
 void ImeWidget::setMode(Mode mode)
 {
+    if (mode == Mode::CN && !script_input_available())
+    {
+        mode = Mode::EN;
+    }
+
     mode_ = mode;
     ime_.setEnabled(mode_ == Mode::CN);
     if (textarea_)
@@ -447,6 +457,12 @@ ImeWidget::Mode ImeWidget::mode() const
 
 void ImeWidget::cycleMode()
 {
+    if (!script_input_available())
+    {
+        setMode(mode_ == Mode::EN ? Mode::NUM : Mode::EN);
+        return;
+    }
+
     if (mode_ == Mode::EN)
     {
         setMode(Mode::CN);
@@ -771,6 +787,12 @@ void ImeWidget::refresh_labels()
         return;
     }
 
+    if (mode_ == Mode::CN && !script_input_available())
+    {
+        mode_ = Mode::EN;
+        ime_.setEnabled(false);
+    }
+
     if (textarea_)
     {
         if (mode_ == Mode::CN && ime_.hasBuffer())
diff --git a/modules/ui_shared/src/ui/widgets/system_notification.cpp b/modules/ui_shared/src/ui/widgets/system_notification.cpp
index fdb3cb04..ea4ee69a 100644
--- a/modules/ui_shared/src/ui/widgets/system_notification.cpp
+++ b/modules/ui_shared/src/ui/widgets/system_notification.cpp
@@ -6,7 +6,6 @@
 #include "ui/widgets/system_notification.h"
 
 #include "ui/assets/fonts/font_utils.h"
-#include "ui/assets/fonts/fonts.h"
 #include "ui/localization.h"
 #include "ui/page/page_profile.h"
 
@@ -72,7 +71,7 @@ void SystemNotification::init()
     label_ = lv_label_create(container_);
     lv_label_set_text(label_, "");
     lv_obj_set_style_text_color(label_, lv_color_hex(0x3A2A1A), 0);
-    lv_obj_set_style_text_font(label_, &lv_font_noto_cjk_16_2bpp, 0);
+    lv_obj_set_style_text_font(label_, ::ui::fonts::localized_font(::ui::fonts::ui_chrome_font()), 0);
     lv_obj_set_flex_grow(label_, 1);
 
     // Initially hidden
@@ -106,7 +105,7 @@ void SystemNotification::show(const char* text, uint32_t duration_ms)
     }
 
     lv_label_set_text(label_, truncated);
-    ::ui::fonts::apply_localized_font(label_, truncated, &lv_font_noto_cjk_16_2bpp);
+    ::ui::fonts::apply_localized_font(label_, truncated, ::ui::fonts::ui_chrome_font());
 
     // Cancel existing timer if any
     if (hide_timer_)
diff --git a/packs/europe-latin-ext/DESCRIPTION.txt b/packs/europe-latin-ext/DESCRIPTION.txt
new file mode 100644
index 00000000..11261f5a
--- /dev/null
+++ b/packs/europe-latin-ext/DESCRIPTION.txt
@@ -0,0 +1,6 @@
+European Latin Extended adds a shared external font pack for common accented Latin text
+and installs locale packs for German, Spanish, French, Italian, Dutch, Polish, and
+Portuguese (Portugal).
+
+This bundle is designed to stay lightweight while still rendering mixed-language contact
+names, chat content, and localized UI labels cleanly across European languages.
diff --git a/packs/europe-latin-ext/README.md b/packs/europe-latin-ext/README.md
new file mode 100644
index 00000000..37c49c86
--- /dev/null
+++ b/packs/europe-latin-ext/README.md
@@ -0,0 +1,102 @@
+# Europe Latin-Extended Pack Bundle
+
+This bundle provides a shared Latin Extended font pack plus locale packs for:
+
+- `de`
+- `es`
+- `fr`
+- `it`
+- `nl`
+- `pl`
+- `pt-PT`
+
+All of them point to the same external font pack:
+
+- `ui_font_pack=latin-ext-eu`
+- `content_font_pack=latin-ext-eu`
+
+That keeps the install footprint small while still giving the runtime one reusable pack for accented interface text and mixed-language content.
+
+Bundle-level package metadata lives in:
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+
+## Bundle Layout
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+- `fonts/latin-ext-eu/`
+  - `manifest.ini`
+  - `build.ini`
+  - `charset.txt`
+  - `ranges.txt`
+  - `font.bin` after generation
+- `locales/<locale-id>/`
+  - `manifest.ini`
+  - `strings.tsv`
+
+## Generate The Shared Font Pack
+
+1. Refresh the subset files:
+
+```bash
+python tools/build_locale_pack_charset.py --pack-root packs/europe-latin-ext --font-pack-id latin-ext-eu
+```
+
+2. Generate `font.bin`:
+
+```powershell
+python tools/generate_binfont_with_lv_font_conv.py `
+  --font tools/fonts/NotoSansCJKsc-Regular.otf `
+  --charset-file packs/europe-latin-ext/fonts/latin-ext-eu/charset.txt `
+  --output packs/europe-latin-ext/fonts/latin-ext-eu/font.bin `
+  --size 16 `
+  --bpp 2 `
+  --node-exe C:\Users\VicLi\AppData\Local\nodejs22\current\node.exe `
+  --no-compress
+```
+
+Notes:
+
+- `font.bin` is ignored by Git. Keep it locally or regenerate it when the subset changes.
+- `build.ini` is the source-of-truth for generating `font.bin` during Pages/package builds.
+- `ranges.txt` and `estimated_ram_bytes` are used by the runtime to decide whether the pack fits the current memory profile.
+- The locale string tables are intentionally partial. Missing keys fall back to built-in English.
+
+## Distribution Package
+
+`python scripts/build_pack_repository.py --pack-root packs --site-root site` produces:
+
+- `site/assets/packs/europe-latin-ext-1.0.0.zip`
+- `site/data/packs.json`
+
+The zip is the bundle artifact for a future Extensions downloader. Its `payload/` directory unpacks into `/trailmate/packs/...`.
+
+## Copy To SD Card
+
+Copy the bundle contents so the SD card ends up with:
+
+```text
+/trailmate/packs/fonts/latin-ext-eu/manifest.ini
+/trailmate/packs/fonts/latin-ext-eu/ranges.txt
+/trailmate/packs/fonts/latin-ext-eu/font.bin
+/trailmate/packs/locales/de/manifest.ini
+/trailmate/packs/locales/de/strings.tsv
+/trailmate/packs/locales/es/manifest.ini
+/trailmate/packs/locales/es/strings.tsv
+/trailmate/packs/locales/fr/manifest.ini
+/trailmate/packs/locales/fr/strings.tsv
+/trailmate/packs/locales/it/manifest.ini
+/trailmate/packs/locales/it/strings.tsv
+/trailmate/packs/locales/nl/manifest.ini
+/trailmate/packs/locales/nl/strings.tsv
+/trailmate/packs/locales/pl/manifest.ini
+/trailmate/packs/locales/pl/strings.tsv
+/trailmate/packs/locales/pt-PT/manifest.ini
+/trailmate/packs/locales/pt-PT/strings.tsv
+```
+
+After reboot, these locales are cataloged immediately, but the external font is only loaded when one of them becomes active or is needed as content coverage.
diff --git a/packs/europe-latin-ext/fonts/latin-ext-eu/.gitignore b/packs/europe-latin-ext/fonts/latin-ext-eu/.gitignore
new file mode 100644
index 00000000..2224454d
--- /dev/null
+++ b/packs/europe-latin-ext/fonts/latin-ext-eu/.gitignore
@@ -0,0 +1 @@
+font.bin
diff --git a/packs/europe-latin-ext/fonts/latin-ext-eu/build.ini b/packs/europe-latin-ext/fonts/latin-ext-eu/build.ini
new file mode 100644
index 00000000..d0889975
--- /dev/null
+++ b/packs/europe-latin-ext/fonts/latin-ext-eu/build.ini
@@ -0,0 +1,4 @@
+font=tools/fonts/NotoSansCJKsc-Regular.otf
+size=16
+bpp=2
+no_compress=true
diff --git a/packs/europe-latin-ext/fonts/latin-ext-eu/charset.txt b/packs/europe-latin-ext/fonts/latin-ext-eu/charset.txt
new file mode 100644
index 00000000..dfac4ca7
--- /dev/null
+++ b/packs/europe-latin-ext/fonts/latin-ext-eu/charset.txt
@@ -0,0 +1 @@
+¿ÀÉßàáãäçèéêñóõöúüąćꣳńŚśźż
diff --git a/packs/europe-latin-ext/fonts/latin-ext-eu/manifest.ini b/packs/europe-latin-ext/fonts/latin-ext-eu/manifest.ini
new file mode 100644
index 00000000..7b2ee99d
--- /dev/null
+++ b/packs/europe-latin-ext/fonts/latin-ext-eu/manifest.ini
@@ -0,0 +1,8 @@
+kind=font
+id=latin-ext-eu
+display_name=Latin Extended EU
+usage=both
+estimated_ram_bytes=941
+source=binfont
+file=font.bin
+ranges=ranges.txt
diff --git a/packs/europe-latin-ext/fonts/latin-ext-eu/ranges.txt b/packs/europe-latin-ext/fonts/latin-ext-eu/ranges.txt
new file mode 100644
index 00000000..3c3597ea
--- /dev/null
+++ b/packs/europe-latin-ext/fonts/latin-ext-eu/ranges.txt
@@ -0,0 +1 @@
+0xBF-0xC0,0xC9,0xDF-0xE1,0xE3-0xE4,0xE7-0xEA,0xF1,0xF3,0xF5-0xF6,0xFA,0xFC,0x105,0x107,0x119,0x141-0x142,0x144,0x15A-0x15B,0x17A,0x17C
diff --git a/packs/europe-latin-ext/locales/de/manifest.ini b/packs/europe-latin-ext/locales/de/manifest.ini
new file mode 100644
index 00000000..d89b0a54
--- /dev/null
+++ b/packs/europe-latin-ext/locales/de/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=de
+display_name=German
+native_name=Deutsch
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/de/strings.tsv b/packs/europe-latin-ext/locales/de/strings.tsv
new file mode 100644
index 00000000..8a6f7e78
--- /dev/null
+++ b/packs/europe-latin-ext/locales/de/strings.tsv
@@ -0,0 +1,77 @@
+Action	Aktion
+Add	Hinzufügen
+Advanced	Erweitert
+Always	Immer
+App	App
+Auto	Auto
+Back	Zurück
+Bluetooth	Bluetooth
+Bluetooth Pairing	Bluetooth-Kopplung
+Cancel	Abbrechen
+Channel	Kanal
+Chat	Chat
+Chinese	Chinesisch
+Close	Schließen
+Contacts	Kontakte
+Data Exchange	Datenaustausch
+Delete	Löschen
+Disabled	Deaktiviert
+Discover	Suchen
+Display Language	Anzeigesprache
+Edit	Bearbeiten
+Energy Sweep	Frequenzscan
+English	Englisch
+English keyboard	Englische Tastatur
+Error	Fehler
+Factory Reset	Werkreset
+GPS	GPS
+GPS Status	GPS-Status
+Hide	Ausblenden
+Info	Info
+Loading...	Lädt...
+Map	Karte
+Map Layer	Kartenebene
+Nearby	In der Nähe
+Network	Netzwerk
+New	Neu
+No messages	Keine Nachrichten
+No recent traffic	Kein neuer Funkverkehr
+Not set	Nicht gesetzt
+Number keyboard	Zifferntastatur
+OFF	AUS
+OK	OK
+ON	EIN
+Pairing	Koppeln
+PC Link	PC-Verbindung
+Power	Strom
+Protocol	Protokoll
+Ready	Bereit
+Recent Activity	Letzte Aktivität
+Reply	Antworten
+Run	Ausführen
+Save	Speichern
+Scan failed	Scan fehlgeschlagen
+Scan Local	Lokal scannen
+Scanning 5s...	Scanne 5 s...
+SEARCH	SUCHE
+Screen Brightness	Bildschirmhelligkeit
+Screen Timeout	Bildschirm-Timeout
+Settings	Einstellungen
+Setting	Einstellung
+Sky Plot	Sky Plot
+Speaker Volume	Lautstärke
+Status	Status
+Stopped	Gestoppt
+Stop	Stopp
+Submit	Bestätigen
+System	System
+Team	Team
+Team Status	Teamstatus
+Time Zone	Zeitzone
+Tracker	Tracker
+Unknown	Unbekannt
+USB Disk	USB-Speicher
+User Name	Benutzername
+Verification Number	Bestätigungsnummer
+Vibration	Vibration
+Clear all settings and restart?	Alle Einstellungen löschen und neu starten?
diff --git a/packs/europe-latin-ext/locales/es/manifest.ini b/packs/europe-latin-ext/locales/es/manifest.ini
new file mode 100644
index 00000000..c3c24d76
--- /dev/null
+++ b/packs/europe-latin-ext/locales/es/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=es
+display_name=Spanish
+native_name=Español
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/es/strings.tsv b/packs/europe-latin-ext/locales/es/strings.tsv
new file mode 100644
index 00000000..8a8da738
--- /dev/null
+++ b/packs/europe-latin-ext/locales/es/strings.tsv
@@ -0,0 +1,77 @@
+Action	Acción
+Add	Agregar
+Advanced	Avanzado
+Always	Siempre
+App	App
+Auto	Auto
+Back	Atrás
+Bluetooth	Bluetooth
+Bluetooth Pairing	Emparejamiento Bluetooth
+Cancel	Cancelar
+Channel	Canal
+Chat	Chat
+Chinese	Chino
+Close	Cerrar
+Contacts	Contactos
+Data Exchange	Interc. datos
+Delete	Eliminar
+Disabled	Desactivado
+Discover	Descubrir
+Display Language	Idioma de pantalla
+Edit	Editar
+Energy Sweep	Barrido RF
+English	Inglés
+English keyboard	Teclado inglés
+Error	Error
+Factory Reset	Rest. de fábrica
+GPS	GPS
+GPS Status	Estado GPS
+Hide	Ocultar
+Info	Información
+Loading...	Cargando...
+Map	Mapa
+Map Layer	Capa de mapa
+Nearby	Cercano
+Network	Red
+New	Nuevo
+No messages	No hay mensajes
+No recent traffic	Sin tráfico reciente
+Not set	Sin configurar
+Number keyboard	Teclado numérico
+OFF	APAG
+OK	OK
+ON	ENC
+Pairing	Emparejar
+PC Link	Enlace PC
+Power	Alimentación
+Protocol	Protocolo
+Ready	Listo
+Recent Activity	Actividad reciente
+Reply	Responder
+Run	Ejecutar
+Save	Guardar
+Scan failed	Escaneo fallido
+Scan Local	Escaneo local
+Scanning 5s...	Escaneando 5 s...
+SEARCH	BUSCAR
+Screen Brightness	Brillo pantalla
+Screen Timeout	Tiempo pantalla
+Settings	Ajustes
+Setting	Ajuste
+Sky Plot	Cielo GPS
+Speaker Volume	Volumen del altavoz
+Status	Estado
+Stopped	Detenido
+Stop	Detener
+Submit	Enviar
+System	Sistema
+Team	Equipo
+Team Status	Estado del equipo
+Time Zone	Zona horaria
+Tracker	Seguimiento
+Unknown	Desconocido
+USB Disk	Disco USB
+User Name	Nombre de usuario
+Verification Number	Número de verificación
+Vibration	Vibración
+Clear all settings and restart?	¿Borrar todos los ajustes y reiniciar?
diff --git a/packs/europe-latin-ext/locales/fr/manifest.ini b/packs/europe-latin-ext/locales/fr/manifest.ini
new file mode 100644
index 00000000..4efe3f0d
--- /dev/null
+++ b/packs/europe-latin-ext/locales/fr/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=fr
+display_name=French
+native_name=Français
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/fr/strings.tsv b/packs/europe-latin-ext/locales/fr/strings.tsv
new file mode 100644
index 00000000..3e838f96
--- /dev/null
+++ b/packs/europe-latin-ext/locales/fr/strings.tsv
@@ -0,0 +1,77 @@
+Action	Action
+Add	Ajouter
+Advanced	Avancé
+Always	Toujours
+App	Appli
+Auto	Auto
+Back	Retour
+Bluetooth	Bluetooth
+Bluetooth Pairing	Appairage Bluetooth
+Cancel	Annuler
+Channel	Canal
+Chat	Chat
+Chinese	Chinois
+Close	Fermer
+Contacts	Contacts
+Data Exchange	Échange données
+Delete	Supprimer
+Disabled	Désactivé
+Discover	Découvrir
+Display Language	Langue d'affichage
+Edit	Modifier
+Energy Sweep	Balayage RF
+English	Anglais
+English keyboard	Clavier anglais
+Error	Erreur
+Factory Reset	Réinit. usine
+GPS	GPS
+GPS Status	État GPS
+Hide	Masquer
+Info	Infos
+Loading...	Chargement...
+Map	Carte
+Map Layer	Couche de carte
+Nearby	À proximité
+Network	Réseau
+New	Nouveau
+No messages	Aucun message
+No recent traffic	Aucun trafic récent
+Not set	Non défini
+Number keyboard	Clavier numérique
+OFF	OFF
+OK	OK
+ON	ON
+Pairing	Appairage
+PC Link	Lien PC
+Power	Alimentation
+Protocol	Protocole
+Ready	Prêt
+Recent Activity	Activité récente
+Reply	Répondre
+Run	Exécuter
+Save	Enregistrer
+Scan failed	Échec du scan
+Scan Local	Scan local
+Scanning 5s...	Scan 5 s...
+SEARCH	RECHERCHE
+Screen Brightness	Luminosité écran
+Screen Timeout	Veille écran
+Settings	Paramètres
+Setting	Réglage
+Sky Plot	Ciel GPS
+Speaker Volume	Volume haut-parleur
+Status	Statut
+Stopped	Arrêté
+Stop	Arrêter
+Submit	Valider
+System	Système
+Team	Équipe
+Team Status	État équipe
+Time Zone	Fuseau horaire
+Tracker	Suivi
+Unknown	Inconnu
+USB Disk	Disque USB
+User Name	Nom d'utilisateur
+Verification Number	Numéro de vérification
+Vibration	Vibration
+Clear all settings and restart?	Effacer tous les réglages et redémarrer ?
diff --git a/packs/europe-latin-ext/locales/it/manifest.ini b/packs/europe-latin-ext/locales/it/manifest.ini
new file mode 100644
index 00000000..42101e44
--- /dev/null
+++ b/packs/europe-latin-ext/locales/it/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=it
+display_name=Italian
+native_name=Italiano
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/it/strings.tsv b/packs/europe-latin-ext/locales/it/strings.tsv
new file mode 100644
index 00000000..400ed802
--- /dev/null
+++ b/packs/europe-latin-ext/locales/it/strings.tsv
@@ -0,0 +1,77 @@
+Action	Azione
+Add	Aggiungi
+Advanced	Avanzato
+Always	Sempre
+App	App
+Auto	Auto
+Back	Indietro
+Bluetooth	Bluetooth
+Bluetooth Pairing	Associazione Bluetooth
+Cancel	Annulla
+Channel	Canale
+Chat	Chat
+Chinese	Cinese
+Close	Chiudi
+Contacts	Contatti
+Data Exchange	Scambio dati
+Delete	Elimina
+Disabled	Disattivato
+Discover	Scopri
+Display Language	Lingua display
+Edit	Modifica
+Energy Sweep	Scansione RF
+English	Inglese
+English keyboard	Tastiera inglese
+Error	Errore
+Factory Reset	Riprist. fabbrica
+GPS	GPS
+GPS Status	Stato GPS
+Hide	Nascondi
+Info	Info
+Loading...	Caricamento...
+Map	Mappa
+Map Layer	Livello mappa
+Nearby	Vicino
+Network	Rete
+New	Nuovo
+No messages	Nessun messaggio
+No recent traffic	Nessun traffico recente
+Not set	Non impostato
+Number keyboard	Tastiera numerica
+OFF	OFF
+OK	OK
+ON	ON
+Pairing	Associazione
+PC Link	Link PC
+Power	Alimentazione
+Protocol	Protocollo
+Ready	Pronto
+Recent Activity	Attività recenti
+Reply	Rispondi
+Run	Esegui
+Save	Salva
+Scan failed	Scansione fallita
+Scan Local	Scansione locale
+Scanning 5s...	Scansione 5 s...
+SEARCH	CERCA
+Screen Brightness	Luminosità schermo
+Screen Timeout	Timeout schermo
+Settings	Impostazioni
+Setting	Impostazione
+Sky Plot	Cielo GPS
+Speaker Volume	Volume altoparlante
+Status	Stato
+Stopped	Arrestato
+Stop	Ferma
+Submit	Invia
+System	Sistema
+Team	Squadra
+Team Status	Stato squadra
+Time Zone	Fuso orario
+Tracker	Tracciamento
+Unknown	Sconosciuto
+USB Disk	Disco USB
+User Name	Nome utente
+Verification Number	Numero di verifica
+Vibration	Vibrazione
+Clear all settings and restart?	Cancellare tutte le impostazioni e riavviare?
diff --git a/packs/europe-latin-ext/locales/nl/manifest.ini b/packs/europe-latin-ext/locales/nl/manifest.ini
new file mode 100644
index 00000000..e1faa9e7
--- /dev/null
+++ b/packs/europe-latin-ext/locales/nl/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=nl
+display_name=Dutch
+native_name=Nederlands
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/nl/strings.tsv b/packs/europe-latin-ext/locales/nl/strings.tsv
new file mode 100644
index 00000000..dbfa8a39
--- /dev/null
+++ b/packs/europe-latin-ext/locales/nl/strings.tsv
@@ -0,0 +1,77 @@
+Action	Actie
+Add	Toevoegen
+Advanced	Geavanceerd
+Always	Altijd
+App	App
+Auto	Auto
+Back	Terug
+Bluetooth	Bluetooth
+Bluetooth Pairing	Bluetooth-koppeling
+Cancel	Annuleren
+Channel	Kanaal
+Chat	Chat
+Chinese	Chinees
+Close	Sluiten
+Contacts	Contacten
+Data Exchange	Gegevenslink
+Delete	Verwijderen
+Disabled	Uitgeschakeld
+Discover	Ontdekken
+Display Language	Schermtaal
+Edit	Bewerken
+Energy Sweep	RF-scan
+English	Engels
+English keyboard	Engels toetsenbord
+Error	Fout
+Factory Reset	Fabrieksreset
+GPS	GPS
+GPS Status	GPS-status
+Hide	Verbergen
+Info	Info
+Loading...	Laden...
+Map	Kaart
+Map Layer	Kaartlaag
+Nearby	Dichtbij
+Network	Netwerk
+New	Nieuw
+No messages	Geen berichten
+No recent traffic	Geen recent verkeer
+Not set	Niet ingesteld
+Number keyboard	Cijfertoetsenbord
+OFF	UIT
+OK	OK
+ON	AAN
+Pairing	Koppelen
+PC Link	PC-koppeling
+Power	Voeding
+Protocol	Protocol
+Ready	Klaar
+Recent Activity	Recente activiteit
+Reply	Antwoorden
+Run	Uitvoeren
+Save	Opslaan
+Scan failed	Scannen mislukt
+Scan Local	Lokaal scannen
+Scanning 5s...	5 s scannen...
+SEARCH	ZOEKEN
+Screen Brightness	Schermhelderheid
+Screen Timeout	Schermtimeout
+Settings	Instellingen
+Setting	Instelling
+Sky Plot	Sky Plot
+Speaker Volume	Luidsprekervolume
+Status	Status
+Stopped	Gestopt
+Stop	Stoppen
+Submit	Verzenden
+System	Systeem
+Team	Team
+Team Status	Teamstatus
+Time Zone	Tijdzone
+Tracker	Tracker
+Unknown	Onbekend
+USB Disk	USB-schijf
+User Name	Gebruikersnaam
+Verification Number	Verificatienummer
+Vibration	Trilling
+Clear all settings and restart?	Alle instellingen wissen en herstarten?
diff --git a/packs/europe-latin-ext/locales/pl/manifest.ini b/packs/europe-latin-ext/locales/pl/manifest.ini
new file mode 100644
index 00000000..189fe5b2
--- /dev/null
+++ b/packs/europe-latin-ext/locales/pl/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=pl
+display_name=Polish
+native_name=Polski
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/pl/strings.tsv b/packs/europe-latin-ext/locales/pl/strings.tsv
new file mode 100644
index 00000000..739fbd90
--- /dev/null
+++ b/packs/europe-latin-ext/locales/pl/strings.tsv
@@ -0,0 +1,77 @@
+Action	Akcja
+Add	Dodaj
+Advanced	Zaawansowane
+Always	Zawsze
+App	Aplikacja
+Auto	Auto
+Back	Wróć
+Bluetooth	Bluetooth
+Bluetooth Pairing	Parowanie Bluetooth
+Cancel	Anuluj
+Channel	Kanał
+Chat	Czat
+Chinese	Chiński
+Close	Zamknij
+Contacts	Kontakty
+Data Exchange	Wymiana danych
+Delete	Usuń
+Disabled	Wyłączone
+Discover	Wykryj
+Display Language	Język interfejsu
+Edit	Edytuj
+Energy Sweep	Skan RF
+English	Angielski
+English keyboard	Klawiatura angielska
+Error	Błąd
+Factory Reset	Reset fabryczny
+GPS	GPS
+GPS Status	Stan GPS
+Hide	Ukryj
+Info	Info
+Loading...	Ładowanie...
+Map	Mapa
+Map Layer	Warstwa mapy
+Nearby	W pobliżu
+Network	Sieć
+New	Nowy
+No messages	Brak wiadomości
+No recent traffic	Brak ostatniego ruchu
+Not set	Nie ustawiono
+Number keyboard	Klawiatura numeryczna
+OFF	WYŁ
+OK	OK
+ON	WŁ
+Pairing	Parowanie
+PC Link	Połączenie PC
+Power	Zasilanie
+Protocol	Protokół
+Ready	Gotowe
+Recent Activity	Ostatnia aktywność
+Reply	Odpowiedz
+Run	Uruchom
+Save	Zapisz
+Scan failed	Skanowanie nieudane
+Scan Local	Skan lokalny
+Scanning 5s...	Skanowanie 5 s...
+SEARCH	SZUKAJ
+Screen Brightness	Jasność ekranu
+Screen Timeout	Wygaszanie ekranu
+Settings	Ustawienia
+Setting	Ustawienie
+Sky Plot	Wykres nieba
+Speaker Volume	Głośność głośnika
+Status	Status
+Stopped	Zatrzymano
+Stop	Stop
+Submit	Zatwierdź
+System	System
+Team	Zespół
+Team Status	Stan zespołu
+Time Zone	Strefa czasowa
+Tracker	Śledzenie
+Unknown	Nieznane
+USB Disk	Dysk USB
+User Name	Nazwa użytkownika
+Verification Number	Numer weryfikacyjny
+Vibration	Wibracja
+Clear all settings and restart?	Wyczyścić wszystkie ustawienia i uruchomić ponownie?
diff --git a/packs/europe-latin-ext/locales/pt-PT/manifest.ini b/packs/europe-latin-ext/locales/pt-PT/manifest.ini
new file mode 100644
index 00000000..85158f98
--- /dev/null
+++ b/packs/europe-latin-ext/locales/pt-PT/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=pt-PT
+display_name=Portuguese (Portugal)
+native_name=Português (Portugal)
+ui_font_pack=latin-ext-eu
+content_font_pack=latin-ext-eu
+strings=strings.tsv
diff --git a/packs/europe-latin-ext/locales/pt-PT/strings.tsv b/packs/europe-latin-ext/locales/pt-PT/strings.tsv
new file mode 100644
index 00000000..a20100e5
--- /dev/null
+++ b/packs/europe-latin-ext/locales/pt-PT/strings.tsv
@@ -0,0 +1,77 @@
+Action	Ação
+Add	Adicionar
+Advanced	Avançado
+Always	Sempre
+App	App
+Auto	Auto
+Back	Voltar
+Bluetooth	Bluetooth
+Bluetooth Pairing	Emparelhamento Bluetooth
+Cancel	Cancelar
+Channel	Canal
+Chat	Chat
+Chinese	Chinês
+Close	Fechar
+Contacts	Contactos
+Data Exchange	Troca dados
+Delete	Eliminar
+Disabled	Desativado
+Discover	Descobrir
+Display Language	Idioma do ecrã
+Edit	Editar
+Energy Sweep	Varrimento RF
+English	Inglês
+English keyboard	Teclado inglês
+Error	Erro
+Factory Reset	Repor de fábrica
+GPS	GPS
+GPS Status	Estado GPS
+Hide	Ocultar
+Info	Info
+Loading...	A carregar...
+Map	Mapa
+Map Layer	Camada do mapa
+Nearby	Próximo
+Network	Rede
+New	Novo
+No messages	Sem mensagens
+No recent traffic	Sem tráfego recente
+Not set	Não definido
+Number keyboard	Teclado numérico
+OFF	DESL
+OK	OK
+ON	LIG
+Pairing	Emparelhar
+PC Link	Ligação PC
+Power	Alimentação
+Protocol	Protocolo
+Ready	Pronto
+Recent Activity	Atividade recente
+Reply	Responder
+Run	Executar
+Save	Guardar
+Scan failed	Varrimento falhou
+Scan Local	Varrimento local
+Scanning 5s...	A varrer 5 s...
+SEARCH	PESQUISA
+Screen Brightness	Brilho do ecrã
+Screen Timeout	Tempo do ecrã
+Settings	Definições
+Setting	Definição
+Sky Plot	Céu GPS
+Speaker Volume	Volume do altifalante
+Status	Estado
+Stopped	Parado
+Stop	Parar
+Submit	Enviar
+System	Sistema
+Team	Equipa
+Team Status	Estado da equipa
+Time Zone	Fuso horário
+Tracker	Seguimento
+Unknown	Desconhecido
+USB Disk	Disco USB
+User Name	Nome de utilizador
+Verification Number	Número de verificação
+Vibration	Vibração
+Clear all settings and restart?	Limpar todas as definições e reiniciar?
diff --git a/packs/europe-latin-ext/package.ini b/packs/europe-latin-ext/package.ini
new file mode 100644
index 00000000..e954f501
--- /dev/null
+++ b/packs/europe-latin-ext/package.ini
@@ -0,0 +1,13 @@
+kind=package
+id=europe-latin-ext
+package_type=locale-bundle
+version=1.0.0
+display_name=European Latin Extended
+summary=Shared Latin-Extended font coverage plus German, Spanish, French, Italian, Dutch, Polish, and Portuguese locale packs.
+description=DESCRIPTION.txt
+readme=README.md
+author=Trail Mate
+homepage=https://vicliu624.github.io/trail-mate/
+min_firmware_version=0.1.18-alpha
+supported_memory_profiles=constrained,standard,extended
+tags=language,latin,europe
diff --git a/packs/ja/DESCRIPTION.txt b/packs/ja/DESCRIPTION.txt
new file mode 100644
index 00000000..00b7a134
--- /dev/null
+++ b/packs/ja/DESCRIPTION.txt
@@ -0,0 +1,5 @@
+Japanese installs the ja locale together with the ja-cjk external font pack so menu text,
+labels, and received Japanese content can render without inflating the firmware image.
+
+This bundle is currently display-only. It does not add a Japanese IME yet, but it keeps
+Japanese coverage available as an installable package on SD storage.
diff --git a/packs/ja/README.md b/packs/ja/README.md
new file mode 100644
index 00000000..2867adcd
--- /dev/null
+++ b/packs/ja/README.md
@@ -0,0 +1,85 @@
+# ja Pack Bundle
+
+This bundle keeps Japanese external to the firmware image.
+
+It contains:
+
+- locale pack: `ja`
+- font pack: `ja-cjk`
+
+The locale manifest points to:
+
+- `ui_font_pack=ja-cjk`
+- `content_font_pack=ja-cjk`
+
+Bundle-level package metadata lives in:
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+
+## Bundle Layout
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+- `fonts/ja-cjk/`
+  - `manifest.ini`
+  - `build.ini`
+  - `charset.txt`
+  - `ranges.txt`
+  - `font.bin` after generation
+- `locales/ja/`
+  - `manifest.ini`
+  - `strings.tsv`
+
+## Generate The Font Pack
+
+1. Refresh the subset files:
+
+```bash
+python tools/build_locale_pack_charset.py --pack-root packs/ja --font-pack-id ja-cjk
+```
+
+2. Generate `font.bin`:
+
+```powershell
+python tools/generate_binfont_with_lv_font_conv.py `
+  --font tools/fonts/NotoSansCJKsc-Regular.otf `
+  --charset-file packs/ja/fonts/ja-cjk/charset.txt `
+  --output packs/ja/fonts/ja-cjk/font.bin `
+  --size 16 `
+  --bpp 2 `
+  --node-exe C:\Users\VicLi\AppData\Local\nodejs22\current\node.exe `
+  --no-compress
+```
+
+Notes:
+
+- This bundle is display-only for now. It does not declare an IME pack yet.
+- `build.ini` is the source-of-truth for generating `font.bin` during Pages/package builds.
+- `font.bin` is ignored by Git. Regenerate it whenever the subset changes.
+- The manifest carries `ranges.txt` and `estimated_ram_bytes` so the runtime can treat Japanese as an installable but lazily loaded coverage pack.
+
+## Distribution Package
+
+`python scripts/build_pack_repository.py --pack-root packs --site-root site` produces:
+
+- `site/assets/packs/ja-1.0.0.zip`
+- `site/data/packs.json`
+
+The zip is the bundle artifact for a future Extensions downloader. Its `payload/` directory unpacks into `/trailmate/packs/...`.
+
+## Copy To SD Card
+
+Copy the bundle contents so the SD card ends up with:
+
+```text
+/trailmate/packs/fonts/ja-cjk/manifest.ini
+/trailmate/packs/fonts/ja-cjk/ranges.txt
+/trailmate/packs/fonts/ja-cjk/font.bin
+/trailmate/packs/locales/ja/manifest.ini
+/trailmate/packs/locales/ja/strings.tsv
+```
+
+After reboot, `日本語` appears in Settings. The font is loaded only when Japanese becomes the active locale or when Japanese content requires it.
diff --git a/packs/ja/fonts/ja-cjk/.gitignore b/packs/ja/fonts/ja-cjk/.gitignore
new file mode 100644
index 00000000..2224454d
--- /dev/null
+++ b/packs/ja/fonts/ja-cjk/.gitignore
@@ -0,0 +1 @@
+font.bin
diff --git a/packs/ja/fonts/ja-cjk/build.ini b/packs/ja/fonts/ja-cjk/build.ini
new file mode 100644
index 00000000..d0889975
--- /dev/null
+++ b/packs/ja/fonts/ja-cjk/build.ini
@@ -0,0 +1,4 @@
+font=tools/fonts/NotoSansCJKsc-Regular.otf
+size=16
+bpp=2
+no_compress=true
diff --git a/packs/ja/fonts/ja-cjk/charset.txt b/packs/ja/fonts/ja-cjk/charset.txt
new file mode 100644
index 00000000..bd28ab2d
--- /dev/null
+++ b/packs/ja/fonts/ja-cjk/charset.txt
@@ -0,0 +1,3 @@
+かくさしじすてなのべまみるをアィイウエカキクグコザシジスセゾタチッテデトドネバビピブプペボムメャヤユョラリルレロワンー不中了交体
+作保信停備先再出削加効動去号名周図国地報場失字存完定実工常情態戻接換操敗数新日明時最未本検止波消済源準無状画番確示秒索細絡続編繁
+自英荷行表規言設詳認語読起跡軌込近返追送通連量閉除隠集電面韓音？
diff --git a/packs/ja/fonts/ja-cjk/manifest.ini b/packs/ja/fonts/ja-cjk/manifest.ini
new file mode 100644
index 00000000..13bd1346
--- /dev/null
+++ b/packs/ja/fonts/ja-cjk/manifest.ini
@@ -0,0 +1,8 @@
+kind=font
+id=ja-cjk
+display_name=Japanese CJK
+usage=both
+estimated_ram_bytes=10707
+source=binfont
+file=font.bin
+ranges=ranges.txt
diff --git a/packs/ja/fonts/ja-cjk/ranges.txt b/packs/ja/fonts/ja-cjk/ranges.txt
new file mode 100644
index 00000000..4b4331c7
--- /dev/null
+++ b/packs/ja/fonts/ja-cjk/ranges.txt
@@ -0,0 +1 @@
+0x304B,0x304F,0x3055,0x3057-0x3059,0x3066,0x306A,0x306E,0x3079,0x307E-0x307F,0x308B,0x3092,0x30A2-0x30A4,0x30A6,0x30A8,0x30AB,0x30AD,0x30AF-0x30B0,0x30B3,0x30B6-0x30B9,0x30BB,0x30BE-0x30BF,0x30C1,0x30C3,0x30C6-0x30C9,0x30CD,0x30D0,0x30D3-0x30D4,0x30D6-0x30D7,0x30DA,0x30DC,0x30E0-0x30E1,0x30E3-0x30E4,0x30E6-0x30E7,0x30E9-0x30ED,0x30EF,0x30F3,0x30FC,0x4E0D,0x4E2D,0x4E86,0x4EA4,0x4F53,0x4F5C,0x4FDD,0x4FE1,0x505C,0x5099,0x5148,0x518D,0x51FA,0x524A,0x52A0,0x52B9,0x52D5,0x53BB,0x53F7,0x540D,0x5468,0x56F3,0x56FD,0x5730,0x5831,0x5834,0x5931,0x5B57-0x5B58,0x5B8C,0x5B9A,0x5B9F,0x5DE5,0x5E38,0x60C5,0x614B,0x623B,0x63A5,0x63DB,0x64CD,0x6557,0x6570,0x65B0,0x65E5,0x660E,0x6642,0x6700,0x672A,0x672C,0x691C,0x6B62,0x6CE2,0x6D88,0x6E08,0x6E90,0x6E96,0x7121,0x72B6,0x753B,0x756A,0x78BA,0x793A,0x79D2,0x7D22,0x7D30,0x7D61,0x7D9A,0x7DE8,0x7E41,0x81EA,0x82F1,0x8377,0x884C,0x8868,0x898F,0x8A00,0x8A2D,0x8A73,0x8A8D,0x8A9E,0x8AAD,0x8D77,0x8DE1,0x8ECC,0x8FBC,0x8FD1,0x8FD4,0x8FFD,0x9001,0x901A,0x9023,0x91CF,0x9589,0x9664,0x96A0,0x96C6,0x96FB,0x9762,0x97D3,0x97F3,0xFF1F
diff --git a/packs/ja/locales/ja/manifest.ini b/packs/ja/locales/ja/manifest.ini
new file mode 100644
index 00000000..d9251389
--- /dev/null
+++ b/packs/ja/locales/ja/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=ja
+display_name=Japanese
+native_name=日本語
+ui_font_pack=ja-cjk
+content_font_pack=ja-cjk
+strings=strings.tsv
diff --git a/packs/ja/locales/ja/strings.tsv b/packs/ja/locales/ja/strings.tsv
new file mode 100644
index 00000000..a906bbb8
--- /dev/null
+++ b/packs/ja/locales/ja/strings.tsv
@@ -0,0 +1,80 @@
+Action	操作
+Add	追加
+Advanced	詳細
+Always	常時
+App	アプリ
+Auto	自動
+Back	戻る
+Bluetooth	Bluetooth
+Bluetooth Pairing	Bluetoothペアリング
+Cancel	キャンセル
+Channel	チャンネル
+Chat	チャット
+Chinese	中国語
+Close	閉じる
+Contacts	連絡先
+Data Exchange	データ交換
+Delete	削除
+Disabled	無効
+Discover	検出
+Display Language	表示言語
+Edit	編集
+Energy Sweep	周波数スイープ
+English	英語
+English keyboard	英語キーボード
+Error	エラー
+Factory Reset	工場出荷時設定
+GPS	GPS
+GPS Status	GPS状態
+Hide	隠す
+Info	情報
+Japanese	日本語
+Korean	韓国語
+Loading...	読み込み中...
+Map	地図
+Map Layer	地図レイヤー
+Nearby	近く
+Network	ネットワーク
+New	新規
+No messages	メッセージなし
+No recent traffic	最近の通信なし
+Not set	未設定
+Number keyboard	数字キーボード
+OFF	OFF
+OK	OK
+ON	ON
+Pairing	ペアリング
+PC Link	PC接続
+Power	電源
+Protocol	プロトコル
+Ready	準備完了
+Recent Activity	最近のアクティビティ
+Reply	返信
+Run	実行
+Save	保存
+Scan failed	スキャン失敗
+Scan Local	ローカルスキャン
+Scanning 5s...	5秒スキャン中...
+SEARCH	検索
+Screen Brightness	画面の明るさ
+Screen Timeout	画面タイムアウト
+Settings	設定
+Setting	設定
+Sky Plot	スカイプロット
+Speaker Volume	スピーカー音量
+Status	状態
+Stopped	停止済み
+Stop	停止
+Submit	送信
+System	システム
+Team	チーム
+Team Status	チーム状態
+Time Zone	タイムゾーン
+Tracker	軌跡
+Traditional Chinese	繁体字中国語
+Unknown	不明
+USB Disk	USBストレージ
+User Name	ユーザー名
+Verification Number	確認番号
+Vibration	バイブレーション
+Clear all settings and restart?	すべての設定を消去して再起動しますか？
diff --git a/packs/ja/package.ini b/packs/ja/package.ini
new file mode 100644
index 00000000..9afcb97a
--- /dev/null
+++ b/packs/ja/package.ini
@@ -0,0 +1,13 @@
+kind=package
+id=ja
+package_type=locale-bundle
+version=1.0.0
+display_name=Japanese
+summary=Japanese locale bundle with external CJK font coverage for UI text and mixed-language content.
+description=DESCRIPTION.txt
+readme=README.md
+author=Trail Mate
+homepage=https://vicliu624.github.io/trail-mate/
+min_firmware_version=0.1.18-alpha
+supported_memory_profiles=constrained,standard,extended
+tags=language,cjk,japanese
diff --git a/packs/ko/DESCRIPTION.txt b/packs/ko/DESCRIPTION.txt
new file mode 100644
index 00000000..84618bbb
--- /dev/null
+++ b/packs/ko/DESCRIPTION.txt
@@ -0,0 +1,5 @@
+Korean installs the ko locale together with the ko-cjk external font pack so interface
+labels and Korean content can render correctly without carrying the glyph set in firmware.
+
+This bundle is currently display-only. It does not add a Korean IME yet, but it keeps
+Korean support available as an installable SD package.
diff --git a/packs/ko/README.md b/packs/ko/README.md
new file mode 100644
index 00000000..f188e575
--- /dev/null
+++ b/packs/ko/README.md
@@ -0,0 +1,85 @@
+# ko Pack Bundle
+
+This bundle keeps Korean external to the firmware image.
+
+It contains:
+
+- locale pack: `ko`
+- font pack: `ko-cjk`
+
+The locale manifest points to:
+
+- `ui_font_pack=ko-cjk`
+- `content_font_pack=ko-cjk`
+
+Bundle-level package metadata lives in:
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+
+## Bundle Layout
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+- `fonts/ko-cjk/`
+  - `manifest.ini`
+  - `build.ini`
+  - `charset.txt`
+  - `ranges.txt`
+  - `font.bin` after generation
+- `locales/ko/`
+  - `manifest.ini`
+  - `strings.tsv`
+
+## Generate The Font Pack
+
+1. Refresh the subset files:
+
+```bash
+python tools/build_locale_pack_charset.py --pack-root packs/ko --font-pack-id ko-cjk
+```
+
+2. Generate `font.bin`:
+
+```powershell
+python tools/generate_binfont_with_lv_font_conv.py `
+  --font tools/fonts/NotoSansCJKsc-Regular.otf `
+  --charset-file packs/ko/fonts/ko-cjk/charset.txt `
+  --output packs/ko/fonts/ko-cjk/font.bin `
+  --size 16 `
+  --bpp 2 `
+  --node-exe C:\Users\VicLi\AppData\Local\nodejs22\current\node.exe `
+  --no-compress
+```
+
+Notes:
+
+- This bundle is display-only for now. It does not declare an IME pack yet.
+- `build.ini` is the source-of-truth for generating `font.bin` during Pages/package builds.
+- `font.bin` is ignored by Git. Regenerate it whenever the subset changes.
+- The runtime uses `ranges.txt` and `estimated_ram_bytes` to decide when Korean can be activated or loaded as extra content coverage.
+
+## Distribution Package
+
+`python scripts/build_pack_repository.py --pack-root packs --site-root site` produces:
+
+- `site/assets/packs/ko-1.0.0.zip`
+- `site/data/packs.json`
+
+The zip is the bundle artifact for a future Extensions downloader. Its `payload/` directory unpacks into `/trailmate/packs/...`.
+
+## Copy To SD Card
+
+Copy the bundle contents so the SD card ends up with:
+
+```text
+/trailmate/packs/fonts/ko-cjk/manifest.ini
+/trailmate/packs/fonts/ko-cjk/ranges.txt
+/trailmate/packs/fonts/ko-cjk/font.bin
+/trailmate/packs/locales/ko/manifest.ini
+/trailmate/packs/locales/ko/strings.tsv
+```
+
+After reboot, `한국어` appears in Settings. The font is loaded only when Korean becomes active or when Korean content needs coverage.
diff --git a/packs/ko/fonts/ko-cjk/.gitignore b/packs/ko/fonts/ko-cjk/.gitignore
new file mode 100644
index 00000000..2224454d
--- /dev/null
+++ b/packs/ko/fonts/ko-cjk/.gitignore
@@ -0,0 +1 @@
+font.bin
diff --git a/packs/ko/fonts/ko-cjk/build.ini b/packs/ko/fonts/ko-cjk/build.ini
new file mode 100644
index 00000000..d0889975
--- /dev/null
+++ b/packs/ko/fonts/ko-cjk/build.ini
@@ -0,0 +1,4 @@
+font=tools/fonts/NotoSansCJKsc-Regular.otf
+size=16
+bpp=2
+no_compress=true
diff --git a/packs/ko/fonts/ko-cjk/charset.txt b/packs/ko/fonts/ko-cjk/charset.txt
new file mode 100644
index 00000000..fd5f14a1
--- /dev/null
+++ b/packs/ko/fonts/ko-cjk/charset.txt
@@ -0,0 +1,3 @@
+가간검결고공교국궤근급기까꺼끔널네다닫답대데도동됨뒤드든들딩락래량레로루류름링만메면모밝번보본블비사삭상새색설성소수숨숫스시실안
+알앱어언업없연영오요용우워원위을음이인일자작장저적전정제주준중지진짐집채처체초최추출취캔커컬켬콜크키태터템토투트팀팅파패페편표프
+피픽한할항행호화확환활
diff --git a/packs/ko/fonts/ko-cjk/manifest.ini b/packs/ko/fonts/ko-cjk/manifest.ini
new file mode 100644
index 00000000..c8d38822
--- /dev/null
+++ b/packs/ko/fonts/ko-cjk/manifest.ini
@@ -0,0 +1,8 @@
+kind=font
+id=ko-cjk
+display_name=Korean CJK
+usage=both
+estimated_ram_bytes=8143
+source=binfont
+file=font.bin
+ranges=ranges.txt
diff --git a/packs/ko/fonts/ko-cjk/ranges.txt b/packs/ko/fonts/ko-cjk/ranges.txt
new file mode 100644
index 00000000..8141e3c7
--- /dev/null
+++ b/packs/ko/fonts/ko-cjk/ranges.txt
@@ -0,0 +1 @@
+0xAC00,0xAC04,0xAC80,0xACB0,0xACE0,0xACF5,0xAD50,0xAD6D,0xADA4,0xADFC,0xAE09,0xAE30,0xAE4C,0xAEBC,0xB054,0xB110,0xB124,0xB2E4,0xB2EB,0xB2F5,0xB300,0xB370,0xB3C4,0xB3D9,0xB428,0xB4A4,0xB4DC,0xB4E0,0xB4E4,0xB529,0xB77D,0xB798,0xB7C9,0xB808,0xB85C,0xB8E8,0xB958,0xB984,0xB9C1,0xB9CC,0xBA54,0xBA74,0xBAA8,0xBC1D,0xBC88,0xBCF4,0xBCF8,0xBE14,0xBE44,0xC0AC-0xC0AD,0xC0C1,0xC0C8-0xC0C9,0xC124,0xC131,0xC18C,0xC218,0xC228,0xC22B,0xC2A4,0xC2DC,0xC2E4,0xC548,0xC54C,0xC571,0xC5B4,0xC5B8,0xC5C5-0xC5C6,0xC5F0,0xC601,0xC624,0xC694,0xC6A9,0xC6B0,0xC6CC,0xC6D0,0xC704,0xC744,0xC74C,0xC774,0xC778,0xC77C,0xC790-0xC791,0xC7A5,0xC800-0xC801,0xC804,0xC815,0xC81C,0xC8FC,0xC900,0xC911,0xC9C0,0xC9C4,0xC9D0-0xC9D1,0xCC44,0xCC98,0xCCB4,0xCD08,0xCD5C,0xCD94,0xCD9C,0xCDE8,0xCE94,0xCEE4,0xCEEC,0xCF2C,0xCF5C,0xD06C,0xD0A4,0xD0DC,0xD130,0xD15C,0xD1A0,0xD22C,0xD2B8,0xD300,0xD305,0xD30C,0xD328,0xD398,0xD3B8,0xD45C,0xD504,0xD53C-0xD53D,0xD55C,0xD560,0xD56D,0xD589,0xD638,0xD654-0xD655,0xD658,0xD65C
diff --git a/packs/ko/locales/ko/manifest.ini b/packs/ko/locales/ko/manifest.ini
new file mode 100644
index 00000000..05dcd227
--- /dev/null
+++ b/packs/ko/locales/ko/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=ko
+display_name=Korean
+native_name=한국어
+ui_font_pack=ko-cjk
+content_font_pack=ko-cjk
+strings=strings.tsv
diff --git a/packs/ko/locales/ko/strings.tsv b/packs/ko/locales/ko/strings.tsv
new file mode 100644
index 00000000..f906756f
--- /dev/null
+++ b/packs/ko/locales/ko/strings.tsv
@@ -0,0 +1,80 @@
+Action	작업
+Add	추가
+Advanced	고급
+Always	항상
+App	앱
+Auto	자동
+Back	뒤로
+Bluetooth	블루투스
+Bluetooth Pairing	블루투스 페어링
+Cancel	취소
+Channel	채널
+Chat	채팅
+Chinese	중국어
+Close	닫기
+Contacts	연락처
+Data Exchange	데이터 교환
+Delete	삭제
+Disabled	비활성화
+Discover	검색
+Display Language	표시 언어
+Edit	편집
+Energy Sweep	주파수 스캔
+English	영어
+English keyboard	영어 키보드
+Error	오류
+Factory Reset	공장 초기화
+GPS	GPS
+GPS Status	GPS 상태
+Hide	숨기기
+Info	정보
+Japanese	일본어
+Korean	한국어
+Loading...	로딩 중...
+Map	지도
+Map Layer	지도 레이어
+Nearby	근처
+Network	네트워크
+New	새로 만들기
+No messages	메시지 없음
+No recent traffic	최근 트래픽 없음
+Not set	설정 안 됨
+Number keyboard	숫자 키보드
+OFF	끔
+OK	확인
+ON	켬
+Pairing	페어링
+PC Link	PC 연결
+Power	전원
+Protocol	프로토콜
+Ready	준비됨
+Recent Activity	최근 활동
+Reply	답장
+Run	실행
+Save	저장
+Scan failed	스캔 실패
+Scan Local	로컬 스캔
+Scanning 5s...	5초 스캔 중...
+SEARCH	검색
+Screen Brightness	화면 밝기
+Screen Timeout	화면 꺼짐 시간
+Settings	설정
+Setting	설정
+Sky Plot	위성도
+Speaker Volume	스피커 음량
+Status	상태
+Stopped	중지됨
+Stop	중지
+Submit	제출
+System	시스템
+Team	팀
+Team Status	팀 상태
+Time Zone	시간대
+Tracker	궤적
+Traditional Chinese	번체 중국어
+Unknown	알 수 없음
+USB Disk	USB 저장소
+User Name	사용자 이름
+Verification Number	확인 번호
+Vibration	진동
+Clear all settings and restart?	모든 설정을 지우고 다시 시작할까요?
diff --git a/packs/ko/package.ini b/packs/ko/package.ini
new file mode 100644
index 00000000..011fb875
--- /dev/null
+++ b/packs/ko/package.ini
@@ -0,0 +1,13 @@
+kind=package
+id=ko
+package_type=locale-bundle
+version=1.0.0
+display_name=Korean
+summary=Korean locale bundle with external CJK font coverage for UI text and mixed-language content.
+description=DESCRIPTION.txt
+readme=README.md
+author=Trail Mate
+homepage=https://vicliu624.github.io/trail-mate/
+min_firmware_version=0.1.18-alpha
+supported_memory_profiles=constrained,standard,extended
+tags=language,cjk,korean
diff --git a/packs/zh-Hans/DESCRIPTION.txt b/packs/zh-Hans/DESCRIPTION.txt
new file mode 100644
index 00000000..e3df4eb7
--- /dev/null
+++ b/packs/zh-Hans/DESCRIPTION.txt
@@ -0,0 +1,5 @@
+Simplified Chinese installs the zh-Hans locale, the zh-hans-cjk external CJK font pack,
+and the zh-hans-pinyin IME registration used by the built-in Pinyin input backend.
+
+Use this bundle when you want a Chinese interface, Chinese text entry, or reliable
+rendering of Chinese names and chat content while another locale remains active.
diff --git a/packs/zh-Hans/README.md b/packs/zh-Hans/README.md
new file mode 100644
index 00000000..98b43037
--- /dev/null
+++ b/packs/zh-Hans/README.md
@@ -0,0 +1,90 @@
+# zh-Hans Pack Bundle
+
+This bundle keeps Simplified Chinese fully external to the firmware image.
+
+It contains:
+
+- locale pack: `zh-Hans`
+- font pack: `zh-hans-cjk`
+- IME pack: `zh-hans-pinyin`
+
+The locale manifest points to:
+
+- `ui_font_pack=zh-hans-cjk`
+- `content_font_pack=zh-hans-cjk`
+- `ime_pack=zh-hans-pinyin`
+
+Bundle-level package metadata lives in:
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+
+## Bundle Layout
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+- `fonts/zh-hans-cjk/`
+  - `manifest.ini`
+  - `build.ini`
+  - `charset.txt`
+  - `ranges.txt`
+  - `font.bin` after generation
+- `locales/zh-Hans/`
+  - `manifest.ini`
+  - `strings.tsv`
+- `ime/zh-hans-pinyin/`
+  - `manifest.ini`
+
+## Generate The Font Pack
+
+1. Refresh the subset files:
+
+```bash
+python tools/build_locale_pack_charset.py --pack-root packs/zh-Hans --extra-chars-file tools/pinyin_chars.txt
+```
+
+2. Generate `font.bin`:
+
+```powershell
+python tools/generate_binfont_with_lv_font_conv.py `
+  --font tools/fonts/NotoSansCJKsc-Regular.otf `
+  --charset-file packs/zh-Hans/fonts/zh-hans-cjk/charset.txt `
+  --output packs/zh-Hans/fonts/zh-hans-cjk/font.bin `
+  --size 16 `
+  --bpp 2 `
+  --node-exe C:\Users\VicLi\AppData\Local\nodejs22\current\node.exe `
+  --no-compress
+```
+
+Notes:
+
+- `charset.txt` and `ranges.txt` are derived from translated strings plus the built-in Pinyin candidate set.
+- `estimated_ram_bytes` in the font manifest reflects the runtime LVGL load cost, not the raw file size.
+- `build.ini` is the source-of-truth for generating `font.bin` during Pages/package builds.
+- `font.bin` is ignored by Git. Regenerate it whenever the strings or IME glyph subset changes.
+
+## Distribution Package
+
+`python scripts/build_pack_repository.py --pack-root packs --site-root site` produces:
+
+- `site/assets/packs/zh-Hans-1.0.0.zip`
+- `site/data/packs.json`
+
+The zip is the bundle artifact for a future Extensions downloader. Its `payload/` directory unpacks into `/trailmate/packs/...`.
+
+## Copy To SD Card
+
+Copy the bundle contents so the SD card ends up with:
+
+```text
+/trailmate/packs/fonts/zh-hans-cjk/manifest.ini
+/trailmate/packs/fonts/zh-hans-cjk/ranges.txt
+/trailmate/packs/fonts/zh-hans-cjk/font.bin
+/trailmate/packs/locales/zh-Hans/manifest.ini
+/trailmate/packs/locales/zh-Hans/strings.tsv
+/trailmate/packs/ime/zh-hans-pinyin/manifest.ini
+```
+
+After reboot, `简体中文` appears in Settings. The font is only loaded when the locale becomes active or when Chinese content needs to be rendered as a supplement on a different UI locale.
diff --git a/packs/zh-Hans/fonts/zh-hans-cjk/.gitignore b/packs/zh-Hans/fonts/zh-hans-cjk/.gitignore
new file mode 100644
index 00000000..2224454d
--- /dev/null
+++ b/packs/zh-Hans/fonts/zh-hans-cjk/.gitignore
@@ -0,0 +1 @@
+font.bin
diff --git a/packs/zh-Hans/fonts/zh-hans-cjk/build.ini b/packs/zh-Hans/fonts/zh-hans-cjk/build.ini
new file mode 100644
index 00000000..d0889975
--- /dev/null
+++ b/packs/zh-Hans/fonts/zh-hans-cjk/build.ini
@@ -0,0 +1,4 @@
+font=tools/fonts/NotoSansCJKsc-Regular.otf
+size=16
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+°。一丁七万丈三上下丌不与丐丑专且丕世丘丙业丛东丝丞丢两严丧丨个丫丬中丰串临丶丸丹为主丽举丿乃久乇么义之乌乍乎乏乐乒乓乔乖乘乙乜
+九乞也习乡书乩买乱乳乾了予争事二亍于亏云互亓五井亘亚些亟亠亡亢交亥亦产亨亩享京亭亮亲亳亵人亻亿什仁仂仃仄仅仆仇仉今介仍从仑仓仔仕
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diff --git a/packs/zh-Hans/fonts/zh-hans-cjk/manifest.ini b/packs/zh-Hans/fonts/zh-hans-cjk/manifest.ini
new file mode 100644
index 00000000..a4e9fdd4
--- /dev/null
+++ b/packs/zh-Hans/fonts/zh-hans-cjk/manifest.ini
@@ -0,0 +1,8 @@
+kind=font
+id=zh-hans-cjk
+display_name=Simplified Chinese CJK
+usage=both
+estimated_ram_bytes=476075
+source=binfont
+file=font.bin
+ranges=ranges.txt
diff --git a/packs/zh-Hans/fonts/zh-hans-cjk/ranges.txt b/packs/zh-Hans/fonts/zh-hans-cjk/ranges.txt
new file mode 100644
index 00000000..682b5711
--- /dev/null
+++ b/packs/zh-Hans/fonts/zh-hans-cjk/ranges.txt
@@ -0,0 +1 @@
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diff --git a/packs/zh-Hans/ime/zh-hans-pinyin/manifest.ini b/packs/zh-Hans/ime/zh-hans-pinyin/manifest.ini
new file mode 100644
index 00000000..0227f28b
--- /dev/null
+++ b/packs/zh-Hans/ime/zh-hans-pinyin/manifest.ini
@@ -0,0 +1,4 @@
+kind=ime
+id=zh-hans-pinyin
+display_name=Pinyin
+backend=builtin-pinyin
diff --git a/packs/zh-Hans/locales/zh-Hans/manifest.ini b/packs/zh-Hans/locales/zh-Hans/manifest.ini
new file mode 100644
index 00000000..000447c5
--- /dev/null
+++ b/packs/zh-Hans/locales/zh-Hans/manifest.ini
@@ -0,0 +1,8 @@
+kind=locale
+id=zh-Hans
+display_name=Simplified Chinese
+native_name=简体中文
+ui_font_pack=zh-hans-cjk
+content_font_pack=zh-hans-cjk
+ime_pack=zh-hans-pinyin
+strings=strings.tsv
diff --git a/packs/zh-Hans/locales/zh-Hans/strings.tsv b/packs/zh-Hans/locales/zh-Hans/strings.tsv
new file mode 100644
index 00000000..5d734dc6
--- /dev/null
+++ b/packs/zh-Hans/locales/zh-Hans/strings.tsv
@@ -0,0 +1,515 @@
+Action	操作
+Add	添加
+Advanced	高级
+Always	常亮
+Altitude	高度
+Altitude Reference	高度参考
+App	应用
+Area Cleared	区域清除
+Auto	自动
+Awaiting teammate	等待队友
+Back	返回
+Base Camp	营地
+Beijing (UTC+8)	北京 (UTC+8)
+BLE bridge ready  |  %s	BLE 桥接已就绪  |  %s
+BLE linked  |  %s	BLE 已连接  |  %s
+Bluetooth	蓝牙
+Bluetooth Pairing	蓝牙配对
+Bcast	广播
+Bridge error	桥接错误
+Broadcast	广播
+Cancel	取消
+Channel	信道
+Chat	聊天
+Chat unavailable	聊天不可用
+Chinese	中文
+Closes automatically after pairing	配对完成后将自动关闭
+Close	关闭
+Command	指令
+Command: %s	指令:%s
+Command: %s %s	指令:%s %s
+Command: %s %s %s	指令:%s %s %s
+Compare Verification Code	比对验证码
+Compass	指南针
+Connected	已连接
+Connected, handshaking...	已连接,正在握手...
+Contacts	联系人
+Contacts (%s)	联系人(%s)
+Contacts (LXMF)	联系人(LXMF)
+Contacts (LXMF - %.3fMHz)	联系人(LXMF - %.3fMHz)
+Contacts (MeshCore)	联系人(MeshCore)
+Contacts (Meshtastic - %.3fMHz)	联系人(Meshtastic - %.3fMHz)
+Contacts (RNode)	联系人(RNode)
+Contacts (RNode - %.3fMHz)	联系人(RNode - %.3fMHz)
+Conversation protocol mismatch	会话协议不匹配
+Data Exchange	数据交换
+Debug Logs	调试日志
+Decoding: %d%%	解码中:%d%%
+Decoding: 0%	解码中:0%
+Delete	删除
+Delete %s?	删除 %s?
+Delete contact %s?	删除联系人 %s?
+Delete failed	删除失败
+Device: %s	设备:%s
+Direct	私聊
+Disabled	已禁用
+Discover	发现
+Display Language	显示语言
+Duplicate name not allowed	名称不能重复
+Edit	编辑
+Edit nickname	编辑昵称
+Emergency SOS	紧急求救
+Energy Sweep	频谱扫描
+English	English
+English keyboard	英文键盘
+Enter nickname	输入昵称
+Enter number for %s	输入 %s 的校验数字
+Enter the 6-digit number	请输入 6 位数字
+Enter this 6-digit PIN on your phone	请在手机上输入这个 6 位 PIN 码
+Error	错误
+Error: %lu	错误:%lu
+FSK Voice	FSK 语音
+Failed	失败
+Fix	定位
+Fixed PIN	固定 PIN
+Gauge Design (mAh)	电池设计容量 (mAh)
+Gauge Full (mAh)	电池满充容量 (mAh)
+Good Find	发现目标
+GPS	GPS
+GPS Status	GPS 状态
+HDOP	HDOP
+Heading starting	航向启动中
+Hide	隐藏
+Host bridge	主机桥接
+Host connected, probing modem...	主机已连接,正在探测调制解调器...
+IDLE	空闲
+Ignored	已忽略
+Ignore	忽略
+Ignore unavailable	当前无法忽略
+Ignore update failed	忽略状态更新失败
+Image received	图像已接收
+Info	信息
+Initializing...	初始化中...
+Invalid airtime factor	空口系数无效
+Invalid design capacity (mAh)	设计容量 (mAh) 无效
+Invalid frequency offset	频偏无效
+Invalid frequency value	频率值无效
+Invalid full capacity (mAh)	满充容量 (mAh) 无效
+Invalid marker	无效标记
+Invalid MeshCore bandwidth	MeshCore 带宽无效
+Invalid MeshCore frequency	MeshCore 频率无效
+Invalid number	数字无效
+Invalid RX delay	接收延迟无效
+Key marked trusted	密钥已标记为可信
+Key must be 32 hex or 16 chars	密钥必须为 32 位十六进制或 16 个字符
+Key trust failed	密钥信任失败
+Key Verification	密钥校验
+LINKED	已组网
+LISTEN	监听
+LIVE	实时
+Loading...	加载中...
+Location	位置
+Location: %s	位置:%s
+Location: %s %s	位置:%s %s
+LoRa direct path  |  %s	LoRa 直连  |  %s
+Low battery - audio disabled	电量低,已禁用音频
+Map	地图
+Map Layer	地图图层
+MESH	网状
+Mesh Status	网状状态
+Mesh unavailable	Mesh 不可用
+MeshCore only	仅支持 MeshCore
+Message DB cleared	消息数据库已清空
+Messages	消息
+MESSAGES	消息
+Messages and broadcasts show here	消息和广播会显示在这里
+Mini Compass	迷你指南针
+MT send uses slot 0/1 only	Meshtastic 发送仅支持槽位 0/1
+N/A	不适用
+Nearby	附近
+Need local GPS	需要本机 GPS
+Network	网络
+New	新建
+new activity	有新动态
+Next	下一页
+No GPS fix	没有 GPS 定位
+No image	没有图像
+No messages	暂无消息
+No preview	无预览
+No recent traffic	暂无最近活动
+No response	无响应
+No route selected	未选择路线
+No target	没有目标
+No track files	没有轨迹文件
+Node DB reset	节点数据库已重置
+Node ignored	节点已忽略
+Node ignored and hidden	节点已忽略并隐藏
+Node unignored	已取消忽略节点
+North locked	北向已锁定
+Not set	未设置
+NO	否
+NO FIX	无定位
+Number keyboard	数字键盘
+OFF	关
+OK	确定
+ON	开
+online	在线
+Pairing	配对
+PC Link	电脑连接
+PC Link is unavailable on this target.	当前目标暂不支持电脑连接.
+peer lock  |  turn %03.0f deg	目标锁定  |  转向 %03.0f 度
+Pinyin keyboard	拼音键盘
+Pinyin: %s	拼音:%s
+Position	位置
+position stream active  |  %u in view	定位流活跃  |  可见 %u 颗
+Power	电量
+Press Back	按返回键
+Press RX to start	按 RX 开始
+Primary	主信道
+Protocol	协议
+Protocol switch failed	协议切换失败
+Protocol switched	协议已切换
+quiet net	网络安静
+Random PIN	随机 PIN
+Ready	就绪
+RECEIVING	接收中
+Recent Activity	最近活动
+Record	记录
+Recording	记录中
+Region	区域
+Remain: %u	剩余:%u
+Reply	回复
+Reply disabled for this protocol	此协议下不能回复
+Reset Mesh Profiles	重置 Mesh 配置
+Reset Node DB	重置节点数据库
+Resetting...	重置中...
+Return	返回
+Rally Point	集结点
+RNode Bridge	RNode Bridge
+RNode modem ready	RNode 调制解调器已就绪
+RNode text chat runs on host	RNode 文本聊天在主机侧运行
+Route	路线
+Run	执行
+RX	RX
+RX: %lu  TX: %lu	接收:%lu  发送:%lu
+RX: 0  TX: 0	接收:0  发送:0
+Save	保存
+Saved: %s	已保存:%s
+Scan failed	扫描失败
+Scan Local	本地扫描
+Scanning 5s...	扫描 5 秒中...
+Screen Brightness	屏幕亮度
+Screen Timeout	熄屏超时
+SEARCH	搜索中
+Secondary	次信道
+Select a route	请选择路线
+Select a track	请选择轨迹
+Select marker	选择标记
+Select Track	选择轨迹
+Selected: %s	已选:%s
+Send	发送
+Send failed	发送失败
+Send this code and compare:\n	发送这个验证码并比对:\n
+Send ID Broadcast	广播发送 ID
+Send ID Local	本地发送 ID
+Sending...	发送中...
+Sent	已发送
+Settings	设置
+Setting	设置
+Share Position Marker	分享位置标记
+Share this number:\n	请分享这个数字:\n
+Short Name	短名称
+SOLO	单机
+Speaker Volume	提示音音量
+Sky Plot	星图
+SSTV RX READY	SSTV 接收就绪
+SSTV start failed	SSTV 启动失败
+standing by	待命
+Status	状态
+Stopped	已停止
+Stop	停止
+Stop recording first	请先停止记录
+Submit	提交
+Submit failed	提交失败
+System	系统
+SATELLITE STATUS	卫星状态
+Talk	说话
+TALK	说话
+Team	团队
+TEAM	团队
+Team chat send failed	团队消息发送失败
+Team chat unavailable	团队聊天不可用
+Team chat unavailable in RNode mode	RNode 模式下团队聊天不可用
+team member position will appear here	队友位置会显示在这里
+Team keys not ready	团队密钥未就绪
+Team location encode failed	团队位置编码失败
+Text chat unavailable	文本聊天不可用
+threads active	活跃会话
+Time Zone	时区
+Tracker	轨迹
+traffic active	流量活跃
+Trust Key	信任密钥
+U	用
+Unignore	取消忽略
+Unread	未读
+Unknown	未知
+USB Mass Storage	USB 大容量存储
+USB Disk	USB存储
+USB Bridge	USB 桥接
+USB host bridge	USB 主机桥接
+USB Bridge is unavailable on this target.	当前目标暂不支持 USB 桥接.
+USB CDC KISS modem for Reticulum	面向 Reticulum 的 USB CDC KISS 调制解调器
+USE	用
+Used	已用
+User Name	用户名
+Verification Number	校验数字
+Verification number sent	校验数字已发送
+Vibration	振动
+VOL %d	音量 %d
+VOL 80	音量 80
+waiting for better sky view  |  %u in view	等待更好的天空视野  |  可见 %u 颗
+waiting for module GNSS compass	等待 GNSS/指南针模块
+waiting for traffic	等待流量
+Waiting for host...	等待主机连接...
+Waiting for Reticulum host...	等待 Reticulum 主机连接...
+WAIT IMU	等待 IMU
+Walkie not available	对讲功能不可用
+Walkie start failed	对讲启动失败
+Walkie Talkie	对讲机
+YES	是
+6 digits	6 位数字
+%u threads active	%u 个会话活跃
+%ud	%u天
+%uh	%u小时
+%um	%u分
+%umo	%u月
+%uy	%u年
+Confirm received code:\n	确认收到的验证码:\n
+device heading from 9-axis module	设备航向来自 9 轴模块
+heading unlocks after first fix	首次定位后解锁航向
+If it matches, trust the key.	如果一致,请信任此密钥。
+magnetometer heading active	磁力计航向已启用
+magnetometer still warming up	磁力计仍在预热
+needle shows north until target lock	锁定目标前指针指向北方
+nearest peer  |  %.0f m away	最近队友  |  距离 %.0f 米
+no recent traffic	暂无最近活动
+now	刚刚
+%s layer missing	%s 图层缺失
+Active: %s	已激活:%s
+Alt: %.0f m	高度:%.0f 米
+Alt: -- m	高度:-- 米
+Base: %s	底图:%s
+Battery critical	电池电量危险
+Broadcast (%d)	广播(%d)
+COMPLETE	已完成
+Calibrating...	校准中...
+Confirm	确认
+Contour: OFF	等高线:关
+Decoder error	解码错误
+Direct (%d)	私聊(%d)
+E	东
+ERROR	错误
+Exiting USB...	正在退出 USB...
+Hold	原地待命
+ID: !%08lX	ID: !%08lX
+ID: -	ID: -
+Key refresh not implemented	暂未实现密钥刷新
+Key verify: %s %s	密钥校验:%s %s
+Key verify: confirm %s %s	密钥校验:请确认 %s %s
+Key verify: enter number for %s	密钥校验:请为 %s 输入数字
+Key verify: send %s %s	密钥校验:请发送 %s %s
+Later	稍后
+Level %d	级别 %d
+Listening for SSTV signal...	正在监听 SSTV 信号...
+Low battery: %d%%	电量低:%d%%
+MODE: %s	模式:%s
+MODE: Auto	模式:自动
+Map - %.48s	地图 - %.48s
+Map - %s Missing	地图 - %s 缺失
+Map - No Map Data	地图 - 没有地图数据
+Map - No SD Card	地图 - 没有 SD 卡
+Map - no gps data	地图 - 没有 GPS 数据
+Message	消息
+Mic TBD	麦克风功能待定义
+Mic init failed	麦克风初始化失败
+Morse Input	摩斯电码输入
+MoveTo	移动到
+N	北
+NODE INFO	节点信息
+Name required	必须输入名称
+Name too long	名称过长
+No KML routes	没有 KML 路线
+No SD Card	没有 SD 卡
+No routes folder	没有 routes 文件夹
+No tracks yet	暂无轨迹
+Only leader can manage	只有队长可以管理
+Only leader can pair	只有队长可以配对
+Paired successfully	配对成功
+Pairing failed	配对失败
+Pairing init failed	配对初始化失败
+Pairing not available	当前无法配对
+Pairing not ready	配对尚未就绪
+Press Back to exit USB mode	按返回键退出 USB 模式
+Press SPACE to resume	按 SPACE 唤醒屏幕
+RallyTo	集结到
+Route configured	已配置路线
+Route: %s	路线:%s
+SD Card Not Found\nPlease insert SD card	未找到 SD 卡\n请插入 SD 卡
+SSTV RECEIVER	SSTV 接收器
+Save failed	保存失败
+Scan +%u/%u	扫描新增:+%u/%u
+Select level	选择级别
+Selected level: %d	已选级别:%d
+Shutting down to protect battery	正在关机以保护电池
+Status: CALIB	状态:校准
+Step 1/2: Tap short dots	第 1/2 步:点击短点
+Step 2/2: Tap long dashes	第 2/2 步:点击长线
+Switch to %s to chat	切换到 %s 以聊天
+Symbol: 	符号:
+Tap to input, idle 3s to send	点击输入,空闲 3 秒后发送
+Team keys mismatch	团队密钥不匹配
+Team: 	团队:
+Text: 	文本:
+Unread: %d	未读:%d
+Unread: 0	未读:0
+W	西
+0° Horizon	0° 地平线
+PSK must be 32 hex or 16 chars	PSK 必须是 32 位十六进制或 16 个字符
+Restarting...	正在重启...
+awaiting position	等待位置
+compass wakes after GPS fix	GPS 定位后指南针将启用
+searching satellites	正在搜索卫星
+%s -	%s -
+%s 0s	%s 0秒
+%s %us	%s %u秒
+%s %um	%s %u分
+%s %uh	%s %u小时
+%s %ud	%s %u天
+AUTO	自动
+Alt: %ld m	高度:%ld 米
+Alt: -	高度:-
+BEST	最佳
+BW: %.0fk	带宽:%.0fk
+BW: %.1fk	带宽:%.1fk
+BW: -	带宽:-
+CAD	CAD
+CURSOR	游标
+Ch: %.3f	信道:%.3f
+Ch: -	信道:-
+Hop: %u	跳数:%u
+Hop: -	跳数:-
+Hop: - / NH: %02X	跳数:- / 下一跳:%02X
+ID: !%06lx	ID: !%06lx
+ID: !%08lx	ID: !%08lx
+Last heard:	最后收到:
+Link	链路
+Link / MeshCore	链路 / MeshCore
+Link / Meshtastic	链路 / Meshtastic
+MODE: RSSI	模式:RSSI
+NOISE %.0f dBm	噪声 %.0f dBm
+NOISE -104 dBm	噪声 -104 dBm
+PKI: -	PKI:-
+PKI: known	PKI:已知
+PKI: verified	PKI:已验证
+RSSI %.0f dBm	RSSI %.0f dBm
+RSSI -92 dBm	RSSI -92 dBm
+RSSI: %.0f dBm	RSSI:%.0f dBm
+RSSI: -	RSSI:-
+Role: %s	角色:%s
+SCAN	扫描
+SF: %u	扩频因子:%u
+SF: -	扩频因子:-
+SIM	模拟
+SNR +%d	SNR +%d
+SNR +12	SNR +12
+SNR: %.1f dB	SNR:%.1f dB
+SNR: -	SNR:-
+SNR %.0f	信噪比 %.0f
+SNR -	信噪比 -
+SNR Good	信噪比良好
+SNR Weak	信噪比较弱
+STEP %.0fk | BW %.0fk	步进 %.0fk | 带宽 %.0fk
+STEP %.1fk | BW %.1fk	步进 %.1fk | 带宽 %.1fk
+STEP -- | BW --	步进 -- | 带宽 --
+STOP	停止
+Slot	槽位
+Slot %u	槽位 %u
+SUB-GHz SCAN	Sub-GHz 扫描
+Actions	操作
+Actions: %s	操作:%s
+Access to team data revoked	队伍数据访问已撤销
+Capability:	能力:
+Channel Actions	频道操作
+Confirm Kick	确认移除
+Create Team	创建队伍
+ELEV	仰角
+Join Team	加入队伍
+In View	可见
+Keep devices within 5m	请将设备保持在 5 米内
+KeyDist	密钥分发
+KeyId: %u	密钥 ID:%u
+KeyId: --	密钥 ID:--
+Keys	密钥
+Kick	移除
+Kick Member	移除成员
+Last paired: %s	最近配对:%s
+Last seen %uh ago	上次在线 %u 小时前
+Last seen %um ago	上次在线 %u 分钟前
+Last seen --	上次在线:--
+Last update %us ago	上次更新 %u 秒前
+Last update --	上次更新:--
+Last update 0s ago	上次更新 0 秒前
+Leader	队长
+Leader online	队长在线
+Leave	离开
+Leave team?	离开队伍?
+Manage	管理
+Member: %s	成员:%s
+Members	成员
+Members: %u	成员数:%u
+Members: %u  Online: %u	成员:%u  在线:%u
+Modem Bridge	调制解调器桥接
+No members yet	暂无成员
+Not Used	未使用
+Offline	离线
+Online	在线
+Online: %u	在线:%u
+Pair Again	再次配对
+Pair Member	配对成员
+Pairing in progress	正在配对
+Prev	上一页
+Remove %s from team?	将 %s 移出队伍?
+Request Keys	请求密钥
+Retry	重试
+Security Round: %u	安全轮次:%u
+Security Round: --	安全轮次:--
+Security: OK (Round %u)	安全状态:正常(轮次 %u)
+Security: OK (Round --)	安全状态:正常(轮次 --)
+Seen %ud	%u 天前
+Seen %uh	%u 小时前
+Seen %um	%u 分钟前
+Send failed (keys not ready)	发送失败(密钥未就绪)
+Status: %s	状态:%s
+Target: %s	目标:%s
+Team / %s	队伍 / %s
+Team Actions	队伍操作
+Team Health	队伍状态
+Team Status	队伍状态
+Team: %s	队伍:%s
+This clears local keys.	这将清除本地密钥。
+This will update the security round.\nThe member will no longer receive\nteam messages or waypoints.	这将更新安全轮次。\n该成员将不再接收\n队伍消息或航点。
+Transfer	移交
+Transfer Leader	移交队长
+View Team	查看队伍
+Waiting for new keys...	正在等待新密钥...
+Waypoint	航点
+You are no longer in this team	你已不在此队伍中
+You are not in a team	你当前未加入队伍
+- No shared map\n- No team awareness	- 无共享地图\n- 无队伍态势
+1 member stale	1 名成员状态过期
+encrypt failed	加密失败
+member	成员
+queue full	队列已满
+unsupported protocol	协议不支持
+Factory Reset	恢复出厂设置
+Clear all settings and restart?	清空全部设置并重启?
diff --git a/packs/zh-Hans/package.ini b/packs/zh-Hans/package.ini
new file mode 100644
index 00000000..b35e49ce
--- /dev/null
+++ b/packs/zh-Hans/package.ini
@@ -0,0 +1,13 @@
+kind=package
+id=zh-Hans
+package_type=locale-bundle
+version=1.0.0
+display_name=Simplified Chinese
+summary=Full Simplified Chinese locale bundle with external CJK font coverage and the built-in Pinyin IME backend.
+description=DESCRIPTION.txt
+readme=README.md
+author=Trail Mate
+homepage=https://vicliu624.github.io/trail-mate/
+min_firmware_version=0.1.18-alpha
+supported_memory_profiles=standard,extended
+tags=language,cjk,chinese,ime
diff --git a/packs/zh-Hant/DESCRIPTION.txt b/packs/zh-Hant/DESCRIPTION.txt
new file mode 100644
index 00000000..539553b4
--- /dev/null
+++ b/packs/zh-Hant/DESCRIPTION.txt
@@ -0,0 +1,5 @@
+Traditional Chinese installs the zh-Hant locale together with the zh-hant-cjk external
+font pack so the UI and mixed-language content can render Traditional Chinese correctly.
+
+This bundle is display-focused today. It does not add a dedicated Traditional Chinese IME
+yet, but it keeps rendering support fully external to the firmware image.
diff --git a/packs/zh-Hant/README.md b/packs/zh-Hant/README.md
new file mode 100644
index 00000000..bdd66ec5
--- /dev/null
+++ b/packs/zh-Hant/README.md
@@ -0,0 +1,85 @@
+# zh-Hant Pack Bundle
+
+This bundle keeps Traditional Chinese external to the firmware image.
+
+It contains:
+
+- locale pack: `zh-Hant`
+- font pack: `zh-hant-cjk`
+
+The locale manifest points to:
+
+- `ui_font_pack=zh-hant-cjk`
+- `content_font_pack=zh-hant-cjk`
+
+Bundle-level package metadata lives in:
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+
+## Bundle Layout
+
+- `package.ini`
+- `DESCRIPTION.txt`
+- `README.md`
+- `fonts/zh-hant-cjk/`
+  - `manifest.ini`
+  - `build.ini`
+  - `charset.txt`
+  - `ranges.txt`
+  - `font.bin` after generation
+- `locales/zh-Hant/`
+  - `manifest.ini`
+  - `strings.tsv`
+
+## Generate The Font Pack
+
+1. Refresh the subset files:
+
+```bash
+python tools/build_locale_pack_charset.py --pack-root packs/zh-Hant --font-pack-id zh-hant-cjk
+```
+
+2. Generate `font.bin`:
+
+```powershell
+python tools/generate_binfont_with_lv_font_conv.py `
+  --font tools/fonts/NotoSansCJKsc-Regular.otf `
+  --charset-file packs/zh-Hant/fonts/zh-hant-cjk/charset.txt `
+  --output packs/zh-Hant/fonts/zh-hant-cjk/font.bin `
+  --size 16 `
+  --bpp 2 `
+  --node-exe C:\Users\VicLi\AppData\Local\nodejs22\current\node.exe `
+  --no-compress
+```
+
+Notes:
+
+- This bundle is display-only for now. It does not declare an IME pack yet.
+- `ranges.txt` and `estimated_ram_bytes` let the runtime decide when this pack can be activated or loaded as a supplement.
+- `build.ini` is the source-of-truth for generating `font.bin` during Pages/package builds.
+- `font.bin` is ignored by Git. Regenerate it whenever the subset changes.
+
+## Distribution Package
+
+`python scripts/build_pack_repository.py --pack-root packs --site-root site` produces:
+
+- `site/assets/packs/zh-Hant-1.0.0.zip`
+- `site/data/packs.json`
+
+The zip is the bundle artifact for a future Extensions downloader. Its `payload/` directory unpacks into `/trailmate/packs/...`.
+
+## Copy To SD Card
+
+Copy the bundle contents so the SD card ends up with:
+
+```text
+/trailmate/packs/fonts/zh-hant-cjk/manifest.ini
+/trailmate/packs/fonts/zh-hant-cjk/ranges.txt
+/trailmate/packs/fonts/zh-hant-cjk/font.bin
+/trailmate/packs/locales/zh-Hant/manifest.ini
+/trailmate/packs/locales/zh-Hant/strings.tsv
+```
+
+After reboot, `繁體中文` appears in Settings. The font stays unloaded until the locale is activated or Traditional Chinese content needs coverage.
diff --git a/packs/zh-Hant/fonts/zh-hant-cjk/.gitignore b/packs/zh-Hant/fonts/zh-hant-cjk/.gitignore
new file mode 100644
index 00000000..2224454d
--- /dev/null
+++ b/packs/zh-Hant/fonts/zh-hant-cjk/.gitignore
@@ -0,0 +1 @@
+font.bin
diff --git a/packs/zh-Hant/fonts/zh-hant-cjk/build.ini b/packs/zh-Hant/fonts/zh-hant-cjk/build.ini
new file mode 100644
index 00000000..d0889975
--- /dev/null
+++ b/packs/zh-Hant/fonts/zh-hant-cjk/build.ini
@@ -0,0 +1,4 @@
+font=tools/fonts/NotoSansCJKsc-Regular.otf
+size=16
+bpp=2
+no_compress=true
diff --git a/packs/zh-Hant/fonts/zh-hant-cjk/charset.txt b/packs/zh-Hant/fonts/zh-hant-cjk/charset.txt
new file mode 100644
index 00000000..3de2cd93
--- /dev/null
+++ b/packs/zh-Hant/fonts/zh-hant-cjk/charset.txt
@@ -0,0 +1,3 @@
+並中交亮人作使停儲入刪動區協原取叭名啟喇回圖團地執增天失字存定尋對就層已常幕度廠建復恢息態應所掃描提換搜操敗數文料新日星時暫最有
+未本止沒活消清源無牙狀現用發盤知確碼示秒稱系絡統網緒線編繁者聊聯腦自英藍藏號螢行覆言訊設語誤證譜議資跡路軌載輯近返連進逾道配重量
+錯鍵閉開關附除隊階隱電震韓音頻顯驗體？
diff --git a/packs/zh-Hant/fonts/zh-hant-cjk/manifest.ini b/packs/zh-Hant/fonts/zh-hant-cjk/manifest.ini
new file mode 100644
index 00000000..381aa568
--- /dev/null
+++ b/packs/zh-Hant/fonts/zh-hant-cjk/manifest.ini
@@ -0,0 +1,8 @@
+kind=font
+id=zh-hant-cjk
+display_name=Traditional Chinese CJK
+usage=both
+estimated_ram_bytes=10232
+source=binfont
+file=font.bin
+ranges=ranges.txt
diff --git a/packs/zh-Hant/fonts/zh-hant-cjk/ranges.txt b/packs/zh-Hant/fonts/zh-hant-cjk/ranges.txt
new file mode 100644
index 00000000..6e6e2066
--- /dev/null
+++ b/packs/zh-Hant/fonts/zh-hant-cjk/ranges.txt
@@ -0,0 +1 @@
+0x4E26,0x4E2D,0x4EA4,0x4EAE,0x4EBA,0x4F5C,0x4F7F,0x505C,0x5132,0x5165,0x522A,0x52D5,0x5340,0x5354,0x539F,0x53D6,0x53ED,0x540D,0x555F,0x5587,0x56DE,0x5716,0x5718,0x5730,0x57F7,0x589E,0x5929,0x5931,0x5B57-0x5B58,0x5B9A,0x5C0B,0x5C0D,0x5C31,0x5C64,0x5DF2,0x5E38,0x5E55,0x5EA6,0x5EE0,0x5EFA,0x5FA9,0x6062,0x606F,0x614B,0x61C9,0x6240,0x6383,0x63CF-0x63D0,0x63DB,0x641C,0x64CD,0x6557,0x6578,0x6587,0x6599,0x65B0,0x65E5,0x661F,0x6642,0x66AB,0x6700,0x6709,0x672A,0x672C,0x6B62,0x6C92,0x6D3B,0x6D88,0x6E05,0x6E90,0x7121,0x7259,0x72C0,0x73FE,0x7528,0x767C,0x76E4,0x77E5,0x78BA,0x78BC,0x793A,0x79D2,0x7A31,0x7CFB,0x7D61,0x7D71,0x7DB2,0x7DD2,0x7DDA,0x7DE8,0x7E41,0x8005,0x804A,0x806F,0x8166,0x81EA,0x82F1,0x85CD,0x85CF,0x865F,0x87A2,0x884C,0x8986,0x8A00,0x8A0A,0x8A2D,0x8A9E,0x8AA4,0x8B49,0x8B5C,0x8B70,0x8CC7,0x8DE1,0x8DEF,0x8ECC,0x8F09,0x8F2F,0x8FD1,0x8FD4,0x9023,0x9032,0x903E,0x9053,0x914D,0x91CD,0x91CF,0x932F,0x9375,0x9589,0x958B,0x95DC,0x9644,0x9664,0x968A,0x968E,0x96B1,0x96FB,0x9707,0x97D3,0x97F3,0x983B,0x986F,0x9A57,0x9AD4,0xFF1F
diff --git a/packs/zh-Hant/locales/zh-Hant/manifest.ini b/packs/zh-Hant/locales/zh-Hant/manifest.ini
new file mode 100644
index 00000000..e6b5ac2c
--- /dev/null
+++ b/packs/zh-Hant/locales/zh-Hant/manifest.ini
@@ -0,0 +1,7 @@
+kind=locale
+id=zh-Hant
+display_name=Traditional Chinese
+native_name=繁體中文
+ui_font_pack=zh-hant-cjk
+content_font_pack=zh-hant-cjk
+strings=strings.tsv
diff --git a/packs/zh-Hant/locales/zh-Hant/strings.tsv b/packs/zh-Hant/locales/zh-Hant/strings.tsv
new file mode 100644
index 00000000..fe34dae9
--- /dev/null
+++ b/packs/zh-Hant/locales/zh-Hant/strings.tsv
@@ -0,0 +1,80 @@
+Action	操作
+Add	新增
+Advanced	進階
+Always	常亮
+App	應用
+Auto	自動
+Back	返回
+Bluetooth	藍牙
+Bluetooth Pairing	藍牙配對
+Cancel	取消
+Channel	頻道
+Chat	聊天
+Chinese	中文
+Close	關閉
+Contacts	聯絡人
+Data Exchange	資料交換
+Delete	刪除
+Disabled	已停用
+Discover	發現
+Display Language	顯示語言
+Edit	編輯
+Energy Sweep	頻譜掃描
+English	English
+English keyboard	英文鍵盤
+Error	錯誤
+Factory Reset	恢復原廠
+GPS	GPS
+GPS Status	GPS 狀態
+Hide	隱藏
+Info	資訊
+Japanese	日文
+Korean	韓文
+Loading...	載入中...
+Map	地圖
+Map Layer	地圖圖層
+Nearby	附近
+Network	網路
+New	新建
+No messages	沒有訊息
+No recent traffic	暫無最近活動
+Not set	未設定
+Number keyboard	數字鍵盤
+OFF	關
+OK	確定
+ON	開
+Pairing	配對
+PC Link	電腦連線
+Power	電源
+Protocol	協議
+Ready	就緒
+Recent Activity	最近活動
+Reply	回覆
+Run	執行
+Save	儲存
+Scan failed	掃描失敗
+Scan Local	本地掃描
+Scanning 5s...	掃描 5 秒...
+SEARCH	搜尋
+Screen Brightness	螢幕亮度
+Screen Timeout	螢幕逾時
+Settings	設定
+Setting	設定
+Sky Plot	星圖
+Speaker Volume	喇叭音量
+Status	狀態
+Stopped	已停止
+Stop	停止
+Submit	提交
+System	系統
+Team	團隊
+Team Status	團隊狀態
+Time Zone	時區
+Tracker	軌跡
+Traditional Chinese	繁體中文
+Unknown	未知
+USB Disk	USB儲存
+User Name	使用者名稱
+Verification Number	驗證號碼
+Vibration	震動
+Clear all settings and restart?	清除所有設定並重新啟動？
diff --git a/packs/zh-Hant/package.ini b/packs/zh-Hant/package.ini
new file mode 100644
index 00000000..bff56de1
--- /dev/null
+++ b/packs/zh-Hant/package.ini
@@ -0,0 +1,13 @@
+kind=package
+id=zh-Hant
+package_type=locale-bundle
+version=1.0.0
+display_name=Traditional Chinese
+summary=Traditional Chinese locale bundle with external CJK font coverage for UI and mixed-script content rendering.
+description=DESCRIPTION.txt
+readme=README.md
+author=Trail Mate
+homepage=https://vicliu624.github.io/trail-mate/
+min_firmware_version=0.1.18-alpha
+supported_memory_profiles=constrained,standard,extended
+tags=language,cjk,chinese
diff --git a/platform/esp/arduino_common/include/lv_conf.h b/platform/esp/arduino_common/include/lv_conf.h
index 572c053d..b11f4352 100644
--- a/platform/esp/arduino_common/include/lv_conf.h
+++ b/platform/esp/arduino_common/include/lv_conf.h
@@ -530,7 +530,7 @@
  *
  * Keep ESP-only fonts declared from ESP-owned paths so NRF builds don't
  * accidentally pull large bitmap assets into their source lists.*/
-#define LV_FONT_CUSTOM_DECLARE LV_FONT_DECLARE(lv_font_noto_cjk_16_2bpp)
+#define LV_FONT_CUSTOM_DECLARE
 
 /*Always set a default font*/
 #define LV_FONT_DEFAULT &lv_font_montserrat_14
diff --git a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/mesh_adapter_router.h b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/mesh_adapter_router.h
index 89af1db5..f58be3f3 100644
--- a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/mesh_adapter_router.h
+++ b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/mesh_adapter_router.h
@@ -50,7 +50,7 @@ class MeshAdapterRouter : public IMeshAdapter
     void applyConfig(const MeshConfig& config) override;
     void setUserInfo(const char* long_name, const char* short_name) override;
     void setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent) override;
-    void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled) override;
+    void setPrivacyConfig(uint8_t encrypt_mode) override;
     bool isReady() const override;
     bool pollIncomingRawPacket(uint8_t* out_data, size_t& out_len, size_t max_len) override;
     void handleRawPacket(const uint8_t* data, size_t size) override;
diff --git a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshcore/meshcore_adapter.h b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshcore/meshcore_adapter.h
index 7c35aac6..ef071d3f 100644
--- a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshcore/meshcore_adapter.h
+++ b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshcore/meshcore_adapter.h
@@ -64,7 +64,7 @@ class MeshCoreAdapter : public IMeshAdapter, public IMeshCoreBleBackend
     void applyConfig(const MeshConfig& config) override;
     void setUserInfo(const char* long_name, const char* short_name) override;
     void setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent) override;
-    void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled) override;
+    void setPrivacyConfig(uint8_t encrypt_mode) override;
     void setLastRxStats(float rssi, float snr) override;
 
     bool isReady() const override;
diff --git a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshtastic/mt_adapter.h b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshtastic/mt_adapter.h
index b559125c..46b1b56b 100644
--- a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshtastic/mt_adapter.h
+++ b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/meshtastic/mt_adapter.h
@@ -77,7 +77,7 @@ class MtAdapter : public chat::IMeshAdapter
     void applyConfig(const MeshConfig& config) override;
     void setUserInfo(const char* long_name, const char* short_name) override;
     void setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent) override;
-    void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled) override;
+    void setPrivacyConfig(uint8_t encrypt_mode) override;
     void setLastRxStats(float rssi, float snr) override;
     bool isReady() const override;
     NodeId getNodeId() const override { return node_id_; }
@@ -211,7 +211,6 @@ class MtAdapter : public chat::IMeshAdapter
     uint32_t min_tx_interval_ms_ = 0;
     uint32_t last_tx_ms_ = 0;
     uint8_t encrypt_mode_ = 1;
-    bool pki_enabled_ = false;
     meshtastic_Routing_Error last_send_error_ = meshtastic_Routing_Error_NONE;
 
     bool sendPacket(const PendingSend& pending);
diff --git a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/flash_store.h b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/flash_store.h
index fb3685f6..1b257a86 100644
--- a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/flash_store.h
+++ b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/flash_store.h
@@ -35,6 +35,7 @@ class FlashStore : public IChatStore
     void clearConversation(const ConversationId& conv) override;
     void clearAll() override;
     bool updateMessageStatus(MessageId msg_id, MessageStatus status) override;
+    bool getMessage(MessageId msg_id, ChatMessage* out) const override;
 
   private:
     struct Record
diff --git a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/log_store.h b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/log_store.h
index 33bf7650..dc168e40 100644
--- a/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/log_store.h
+++ b/platform/esp/arduino_common/include/platform/esp/arduino_common/chat/infra/store/log_store.h
@@ -50,6 +50,7 @@ class LogStore : public IChatStore
     void clearConversation(const ConversationId& conv) override;
     void clearAll() override;
     bool updateMessageStatus(MessageId msg_id, MessageStatus status) override;
+    bool getMessage(MessageId msg_id, ChatMessage* out) const override;
 
   private:
     fs::FS* fs_;
diff --git a/platform/esp/arduino_common/library.json b/platform/esp/arduino_common/library.json
index 1c39180f..875917a6 100644
--- a/platform/esp/arduino_common/library.json
+++ b/platform/esp/arduino_common/library.json
@@ -7,6 +7,10 @@
     "build":  {
                   "includeDir":  "include",
                   "srcDir":  "src",
+                  "srcFilter":  [
+                                    "+<*>",
+                                    "-<ui/assets/fonts/lv_font_noto_cjk_16_2bpp.c>"
+                                ],
                   "flags":  [
                                 "-I../../../platform/shared/include",
                                 "-I../../../modules/ui_shared/include",
diff --git a/platform/esp/arduino_common/src/app_config_store.cpp b/platform/esp/arduino_common/src/app_config_store.cpp
index 73537ec2..15853df2 100644
--- a/platform/esp/arduino_common/src/app_config_store.cpp
+++ b/platform/esp/arduino_common/src/app_config_store.cpp
@@ -606,7 +606,6 @@ void log_config_delta(const AppConfig& before, const AppConfig& after)
     log_change_u8("net_util", before.net_channel_util, after.net_channel_util, any_change);
 
     log_change_u8("privacy_encrypt_mode", before.privacy_encrypt_mode, after.privacy_encrypt_mode, any_change);
-    log_change_bool("privacy_pki", before.privacy_pki, after.privacy_pki, any_change);
     log_change_u8("privacy_nmea_output", before.privacy_nmea_output, after.privacy_nmea_output, any_change);
     log_change_u8("privacy_nmea_sentence", before.privacy_nmea_sentence, after.privacy_nmea_sentence, any_change);
 
@@ -669,12 +668,11 @@ void log_config_summary(const char* phase, const AppConfig& config)
                   static_cast<unsigned>(config.map_track_format),
                   bool_label(config.route_enabled),
                   config.route_path);
-    Serial.printf("[AppCfg][%s][privacy] duty_cycle=%s net_util=%u encrypt=%u pki=%s nmea=%u sentence=%u\n",
+    Serial.printf("[AppCfg][%s][privacy] duty_cycle=%s net_util=%u encrypt=%u nmea=%u sentence=%u\n",
                   safe_label(phase),
                   bool_label(config.net_duty_cycle),
                   static_cast<unsigned>(config.net_channel_util),
                   static_cast<unsigned>(config.privacy_encrypt_mode),
-                  bool_label(config.privacy_pki),
                   static_cast<unsigned>(config.privacy_nmea_output),
                   static_cast<unsigned>(config.privacy_nmea_sentence));
     Serial.printf("[AppCfg][%s][aprs] enabled=%s igate=%s-%u tocall=%s path=%s pos_interval=%u self=%s self_call=%s node_map_len=%u\n",
@@ -728,7 +726,6 @@ bool loadAppConfigFromPreferences(AppConfig& config,
     auto& net_duty_cycle = config.net_duty_cycle;
     auto& net_channel_util = config.net_channel_util;
     auto& privacy_encrypt_mode = config.privacy_encrypt_mode;
-    auto& privacy_pki = config.privacy_pki;
     auto& privacy_nmea_output = config.privacy_nmea_output;
     auto& privacy_nmea_sentence = config.privacy_nmea_sentence;
     auto& route_enabled = config.route_enabled;
@@ -933,7 +930,6 @@ bool loadAppConfigFromPreferences(AppConfig& config,
         net_duty_cycle = get_bool("net_duty_cycle", net_duty_cycle);
         net_channel_util = get_uchar("net_util", net_channel_util);
         privacy_encrypt_mode = get_uchar("privacy_encrypt", privacy_encrypt_mode);
-        privacy_pki = get_bool("privacy_pki", privacy_pki);
         privacy_nmea_output = get_uchar("privacy_nmea", privacy_nmea_output);
         privacy_nmea_sentence = get_uchar(kSettingsKeyPrivacyNmeaSentence, privacy_nmea_sentence);
         route_enabled = get_bool("route_enabled", route_enabled);
@@ -1043,7 +1039,6 @@ bool saveAppConfigToPreferences(AppConfig& config,
     auto& net_duty_cycle = config.net_duty_cycle;
     auto& net_channel_util = config.net_channel_util;
     auto& privacy_encrypt_mode = config.privacy_encrypt_mode;
-    auto& privacy_pki = config.privacy_pki;
     auto& privacy_nmea_output = config.privacy_nmea_output;
     auto& privacy_nmea_sentence = config.privacy_nmea_sentence;
     auto& route_enabled = config.route_enabled;
@@ -1214,7 +1209,7 @@ bool saveAppConfigToPreferences(AppConfig& config,
         put_bool("net_duty_cycle", net_duty_cycle);
         put_uchar("net_util", net_channel_util);
         put_uchar("privacy_encrypt", privacy_encrypt_mode);
-        put_bool("privacy_pki", privacy_pki);
+        ok = remove_key_logged(prefs, "settings", "privacy_pki", emit_logs) && ok;
         put_uchar("privacy_nmea", privacy_nmea_output);
         put_uchar(kSettingsKeyPrivacyNmeaSentence, privacy_nmea_sentence);
         put_bool("route_enabled", route_enabled);
diff --git a/platform/esp/arduino_common/src/chat/infra/mesh_adapter_router.cpp b/platform/esp/arduino_common/src/chat/infra/mesh_adapter_router.cpp
index afe306cb..1a5ff087 100644
--- a/platform/esp/arduino_common/src/chat/infra/mesh_adapter_router.cpp
+++ b/platform/esp/arduino_common/src/chat/infra/mesh_adapter_router.cpp
@@ -181,12 +181,12 @@ void MeshAdapterRouter::setNetworkLimits(bool duty_cycle_enabled, uint8_t util_p
     }
 }
 
-void MeshAdapterRouter::setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+void MeshAdapterRouter::setPrivacyConfig(uint8_t encrypt_mode)
 {
     LockGuard lock(mutex_);
     if (lock.locked())
     {
-        core_.setPrivacyConfig(encrypt_mode, pki_enabled);
+        core_.setPrivacyConfig(encrypt_mode);
     }
 }
 
diff --git a/platform/esp/arduino_common/src/chat/infra/meshcore/meshcore_adapter.cpp b/platform/esp/arduino_common/src/chat/infra/meshcore/meshcore_adapter.cpp
index 6bd89d61..adc216d7 100644
--- a/platform/esp/arduino_common/src/chat/infra/meshcore/meshcore_adapter.cpp
+++ b/platform/esp/arduino_common/src/chat/infra/meshcore/meshcore_adapter.cpp
@@ -3241,14 +3241,10 @@ void MeshCoreAdapter::setNetworkLimits(bool duty_cycle_enabled, uint8_t util_per
     }
 }
 
-void MeshCoreAdapter::setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+void MeshCoreAdapter::setPrivacyConfig(uint8_t encrypt_mode)
 {
     encrypt_mode_ = encrypt_mode;
-    pki_enabled_ = pki_enabled;
-    if (encrypt_mode_ == 0)
-    {
-        pki_enabled_ = false;
-    }
+    pki_enabled_ = (encrypt_mode_ != 0);
     if (!pki_enabled_)
     {
         key_verify_session_ = KeyVerifySession{};
diff --git a/platform/esp/arduino_common/src/chat/infra/meshtastic/mt_adapter.cpp b/platform/esp/arduino_common/src/chat/infra/meshtastic/mt_adapter.cpp
index 9fa5f15b..9d7816f5 100644
--- a/platform/esp/arduino_common/src/chat/infra/meshtastic/mt_adapter.cpp
+++ b/platform/esp/arduino_common/src/chat/infra/meshtastic/mt_adapter.cpp
@@ -112,6 +112,15 @@ static const char* portName(uint32_t portnum)
     }
 }
 
+bool shouldRequireDirectPki(uint8_t encrypt_mode, uint32_t dest_node, uint32_t portnum)
+{
+    // Match upstream Meshtastic: direct unicast app traffic uses PKI outside
+    // cleartext/Ham-style operation, and must not silently fall back to channel crypto.
+    return encrypt_mode != 0 &&
+           dest_node != kBroadcastNodeId &&
+           allowPkiForPortnum(portnum);
+}
+
 void mt_diag_log(const char* fmt, ...)
 {
     char buf[192] = {};
@@ -122,6 +131,40 @@ void mt_diag_log(const char* fmt, ...)
     Serial.print(buf);
 }
 
+void mt_diag_dropf(const chat::meshtastic::PacketHeaderWire* header,
+                   const char* reason,
+                   const char* fmt = nullptr,
+                   ...)
+{
+    char detail[96] = {};
+    if (fmt && fmt[0] != '\0')
+    {
+        va_list args;
+        va_start(args, fmt);
+        vsnprintf(detail, sizeof(detail), fmt, args);
+        va_end(args);
+    }
+
+    if (header)
+    {
+        mt_diag_log("[MT][RX_DROP] reason=%s from=%08lX to=%08lX id=%08lX ch=%u%s%s\n",
+                    reason ? reason : "unknown",
+                    static_cast<unsigned long>(header->from),
+                    static_cast<unsigned long>(header->to),
+                    static_cast<unsigned long>(header->id),
+                    static_cast<unsigned>(header->channel),
+                    detail[0] ? " " : "",
+                    detail);
+    }
+    else
+    {
+        mt_diag_log("[MT][RX_DROP] reason=%s%s%s\n",
+                    reason ? reason : "unknown",
+                    detail[0] ? " " : "",
+                    detail);
+    }
+}
+
 using chat::meshtastic::computeChannelHash;
 using chat::meshtastic::expandShortPsk;
 using chat::meshtastic::hasValidPosition;
@@ -329,7 +372,7 @@ bool MtAdapter::sendTextWithId(ChannelId channel, const std::string& text,
     pending.last_attempt = 0;
 
     send_queue_.push(pending);
-    mt_diag_log("[MT][TX] queue text id=%08lX dest=%08lX ch=%u len=%u\n",
+    mt_diag_log("[MT][TX] queue text id=%08lX dest=%08lX logical_ch=%u len=%u\n",
                 static_cast<unsigned long>(pending.msg_id),
                 static_cast<unsigned long>(pending.dest),
                 static_cast<unsigned>(out_channel),
@@ -418,11 +461,17 @@ bool MtAdapter::sendAppData(ChannelId channel, uint32_t portnum,
     const uint8_t* out_payload = data_buffer;
     size_t out_len = data_size;
     bool use_pki = false;
-    if (dest_node != 0xFFFFFFFF && pki_enabled_)
+    if (shouldRequireDirectPki(encrypt_mode_, dest_node, portnum))
     {
-        if (!pki_ready_ || !allowPkiForPortnum(portnum) ||
-            (node_public_keys_.find(dest_node) == node_public_keys_.end()))
+        const bool have_dest_key = node_public_keys_.find(dest_node) != node_public_keys_.end();
+        if (!pki_ready_ || !have_dest_key)
         {
+            const char* reason = !pki_ready_ ? "pki_not_ready" : "pki_key_missing";
+            mt_diag_log("[MT][TX_BLOCK] id=%08lX dest=%08lX port=%u reason=%s path=PKI\n",
+                        static_cast<unsigned long>(msg_id),
+                        static_cast<unsigned long>(dest_node),
+                        static_cast<unsigned>(portnum),
+                        reason);
             LORA_LOG("[LORA] TX app PKI required but unavailable dest=%08lX port=%u\n",
                      (unsigned long)dest_node,
                      (unsigned)portnum);
@@ -433,6 +482,10 @@ bool MtAdapter::sendAppData(ChannelId channel, uint32_t portnum,
         size_t pki_len = sizeof(pki_buf);
         if (!encryptPkiPayload(dest_node, msg_id, data_buffer, data_size, pki_buf, &pki_len))
         {
+            mt_diag_log("[MT][TX_BLOCK] id=%08lX dest=%08lX port=%u reason=pki_encrypt_fail path=PKI\n",
+                        static_cast<unsigned long>(msg_id),
+                        static_cast<unsigned long>(dest_node),
+                        static_cast<unsigned>(portnum));
             LORA_LOG("[LORA] TX app PKI encrypt failed dest=%08lX port=%u\n",
                      (unsigned long)dest_node,
                      (unsigned)portnum);
@@ -462,6 +515,14 @@ bool MtAdapter::sendAppData(ChannelId channel, uint32_t portnum,
         }
     }
 
+    mt_diag_log("[MT][TX_ROUTE] id=%08lX dest=%08lX port=%u logical_ch=%u wire_ch=%u path=%s payload=%u\n",
+                static_cast<unsigned long>(msg_id),
+                static_cast<unsigned long>(dest_node),
+                static_cast<unsigned>(portnum),
+                static_cast<unsigned>(out_channel),
+                static_cast<unsigned>(channel_hash),
+                use_pki ? "PKI" : "CHANNEL",
+                static_cast<unsigned>(out_len));
     if (!buildWirePacket(out_payload, out_len, node_id_, msg_id,
                          dest_node, channel_hash, hop_limit, air_want_ack,
                          psk, psk_len, wire_buffer, &wire_size))
@@ -1266,14 +1327,9 @@ void MtAdapter::setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent)
     }
 }
 
-void MtAdapter::setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+void MtAdapter::setPrivacyConfig(uint8_t encrypt_mode)
 {
     encrypt_mode_ = encrypt_mode;
-    pki_enabled_ = pki_enabled;
-    if (encrypt_mode_ == 0)
-    {
-        pki_enabled_ = false;
-    }
 }
 
 void MtAdapter::setLastRxStats(float rssi, float snr)
@@ -1333,12 +1389,18 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
     if (!parseWirePacket(data, size, &header, payload, &payload_size))
     {
         std::string raw_hex = toHex(data, size);
+        mt_diag_log("[MT][RX_DROP] reason=parse_fail len=%u\n",
+                    static_cast<unsigned>(size));
         LORA_LOG("[LORA] RX parse fail len=%u hex=%s\n",
                  (unsigned)size,
                  raw_hex.c_str());
         return;
     }
 
+    const bool matches_primary_channel = (header.channel == primary_channel_hash_);
+    const bool matches_secondary_channel =
+        (secondary_psk_len_ > 0 && header.channel == secondary_channel_hash_);
+
     std::string full_hex = toHex(data, size, size);
     LORA_LOG("[LORA] RX wire from=%08lX to=%08lX id=%08lX ch=0x%02X flags=0x%02X len=%u\n",
              (unsigned long)header.from,
@@ -1348,33 +1410,31 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
              header.flags,
              (unsigned)payload_size);
     const char* channel_kind = "UNKNOWN";
-    if (header.channel == 0)
-    {
-        channel_kind = "PKI";
-    }
-    else if (header.channel == primary_channel_hash_)
+    if (matches_primary_channel)
     {
         channel_kind = "PRIMARY";
     }
-    else if (header.channel == secondary_channel_hash_)
+    else if (matches_secondary_channel)
     {
         channel_kind = "SECONDARY";
     }
+    else if (header.channel == 0)
+    {
+        channel_kind = "ZERO_UNMATCHED";
+    }
     LORA_LOG("[LORA] RX channel kind=%s hash=0x%02X\n", channel_kind, header.channel);
     LORA_LOG("[LORA] RX full packet hex: %s\n", full_hex.c_str());
 
     // Check for duplicates
     if (dedup_.isDuplicate(header.from, header.id))
     {
+        mt_diag_dropf(&header, "dedup");
         LORA_LOG("[LORA] RX dedup from=%08lX id=%08lX\n",
                  (unsigned long)header.from,
                  (unsigned long)header.id);
         return; // Duplicate, ignore
     }
 
-    // Mark as seen
-    dedup_.markSeen(header.from, header.id);
-
     chat::RxMeta rx_meta;
     rx_meta.rx_timestamp_ms = millis();
     uint32_t epoch_s = chat::now_epoch_seconds();
@@ -1446,6 +1506,7 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
             return;
         }
 
+        mt_diag_dropf(&header, "self_echo");
         LORA_LOG("[LORA] RX self drop id=%08lX to=%08lX relay=%08lX ch=%u\n",
                  static_cast<unsigned long>(header.id),
                  static_cast<unsigned long>(header.to),
@@ -1461,15 +1522,179 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
     const uint8_t* psk = nullptr;
     size_t psk_len = 0;
 
-    bool unknown_channel = false;
+    meshtastic_Data decoded = meshtastic_Data_init_default;
+    ChannelId decoded_channel_id = ChannelId::PRIMARY;
+    bool used_pki_transport = false;
+    const bool can_try_pki =
+        (header.to == node_id_ && header.to != kBroadcastNodeId && payload_size > 12);
+    const char* last_drop_reason = nullptr;
+    char last_drop_detail[96] = {};
 
-    if (header.channel == 0)
+    auto note_drop = [&](const char* reason, const char* detail = nullptr)
     {
-        if (header.to != node_id_ || header.to == 0xFFFFFFFF || payload_size <= 12)
+        last_drop_reason = reason;
+        if (detail && detail[0] != '\0')
         {
-            return;
+            std::snprintf(last_drop_detail, sizeof(last_drop_detail), "%s", detail);
         }
-        if (!pki_ready_)
+        else
+        {
+            last_drop_detail[0] = '\0';
+        }
+    };
+
+    auto try_decode_candidate = [&](const char* path_name,
+                                    const uint8_t* candidate_psk,
+                                    size_t candidate_psk_len,
+                                    bool candidate_pki,
+                                    ChannelId candidate_channel) -> bool
+    {
+        uint8_t candidate_plaintext[256];
+        size_t candidate_plaintext_len = sizeof(candidate_plaintext);
+
+        if (candidate_pki)
+        {
+            if (!pki_ready_)
+            {
+                char detail[64];
+                std::snprintf(detail, sizeof(detail), "path=%s", path_name);
+                note_drop("pki_not_ready", detail);
+                return false;
+            }
+            if (!decryptPkiPayload(header.from,
+                                   header.id,
+                                   payload,
+                                   payload_size,
+                                   candidate_plaintext,
+                                   &candidate_plaintext_len))
+            {
+                char detail[64];
+                std::snprintf(detail, sizeof(detail), "path=%s", path_name);
+                note_drop("pki_decrypt_fail", detail);
+                return false;
+            }
+        }
+        else if (candidate_psk && candidate_psk_len > 0)
+        {
+            if (!decryptPayload(header,
+                                payload,
+                                payload_size,
+                                candidate_psk,
+                                candidate_psk_len,
+                                candidate_plaintext,
+                                &candidate_plaintext_len))
+            {
+                char detail[64];
+                std::snprintf(detail, sizeof(detail), "path=%s", path_name);
+                note_drop("channel_decrypt_fail", detail);
+                return false;
+            }
+        }
+        else
+        {
+            if (payload_size > sizeof(candidate_plaintext))
+            {
+                char detail[64];
+                std::snprintf(detail,
+                              sizeof(detail),
+                              "path=%s len=%u",
+                              path_name,
+                              static_cast<unsigned>(payload_size));
+                note_drop("payload_too_large", detail);
+                return false;
+            }
+            memcpy(candidate_plaintext, payload, payload_size);
+            candidate_plaintext_len = payload_size;
+        }
+
+        meshtastic_Data candidate_decoded = meshtastic_Data_init_default;
+        pb_istream_t candidate_stream =
+            pb_istream_from_buffer(candidate_plaintext, candidate_plaintext_len);
+        if (!pb_decode(&candidate_stream, meshtastic_Data_fields, &candidate_decoded))
+        {
+            char detail[64];
+            std::snprintf(detail, sizeof(detail), "path=%s", path_name);
+            note_drop("data_decode_fail", detail);
+            return false;
+        }
+
+        memcpy(plaintext, candidate_plaintext, candidate_plaintext_len);
+        plaintext_len = candidate_plaintext_len;
+        decoded = candidate_decoded;
+        psk = candidate_psk;
+        psk_len = candidate_psk_len;
+        decoded_channel_id = candidate_channel;
+        used_pki_transport = candidate_pki;
+        if (header.channel == 0)
+        {
+            mt_diag_log("[MT][RX_ROUTE] id=%08lX ch=0 path=%s port=%u\n",
+                        static_cast<unsigned long>(header.id),
+                        path_name,
+                        static_cast<unsigned>(decoded.portnum));
+        }
+        return true;
+    };
+
+    bool decoded_ok = false;
+    if (matches_primary_channel)
+    {
+        decoded_ok = try_decode_candidate("PRIMARY",
+                                          primary_psk_,
+                                          primary_psk_len_,
+                                          false,
+                                          ChannelId::PRIMARY);
+    }
+    if (!decoded_ok && matches_secondary_channel)
+    {
+        decoded_ok = try_decode_candidate("SECONDARY",
+                                          secondary_psk_,
+                                          secondary_psk_len_,
+                                          false,
+                                          ChannelId::SECONDARY);
+    }
+    if (!decoded_ok && can_try_pki)
+    {
+        decoded_ok = try_decode_candidate("PKI",
+                                          nullptr,
+                                          0,
+                                          true,
+                                          matches_secondary_channel ? ChannelId::SECONDARY
+                                                                    : ChannelId::PRIMARY);
+    }
+
+    if (!decoded_ok)
+    {
+        if (!(matches_primary_channel || matches_secondary_channel) && !can_try_pki)
+        {
+            char detail[64];
+            std::snprintf(detail,
+                          sizeof(detail),
+                          "primary=0x%02X secondary=0x%02X",
+                          static_cast<unsigned>(primary_channel_hash_),
+                          static_cast<unsigned>(secondary_channel_hash_));
+            note_drop("unknown_channel", detail);
+        }
+
+        if (last_drop_reason)
+        {
+            mt_diag_dropf(&header, last_drop_reason, "%s", last_drop_detail);
+        }
+        else
+        {
+            mt_diag_dropf(&header, "decode_failed");
+        }
+
+        std::string cipher_hex = toHex(payload, payload_size, payload_size);
+        if (!(matches_primary_channel || matches_secondary_channel) && !can_try_pki)
+        {
+            LORA_LOG("[LORA] RX unknown channel hash=0x%02X from=%08lX id=%08lX len=%u hex=%s (skip decode)\n",
+                     header.channel,
+                     (unsigned long)header.from,
+                     (unsigned long)header.id,
+                     (unsigned)payload_size,
+                     cipher_hex.c_str());
+        }
+        else if (last_drop_reason && std::strcmp(last_drop_reason, "pki_not_ready") == 0)
         {
             LORA_LOG("[LORA] RX PKI drop (not ready) from=%08lX id=%08lX len=%u\n",
                      (unsigned long)header.from,
@@ -1479,80 +1704,68 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
             sendRoutingError(header.from, header.id, primary_channel_hash_,
                              primary_psk_, primary_psk_len_,
                              meshtastic_Routing_Error_PKI_UNKNOWN_PUBKEY);
-            return;
         }
-        if (!decryptPkiPayload(header.from, header.id, payload, payload_size, plaintext, &plaintext_len))
+        else if (last_drop_reason && std::strcmp(last_drop_reason, "pki_decrypt_fail") == 0)
         {
-            std::string cipher_hex = toHex(payload, payload_size);
+            forgetNodePublicKey(header.from);
+            sendNodeInfoTo(header.from, true, ChannelId::PRIMARY);
+            sendRoutingError(header.from, header.id, primary_channel_hash_,
+                             primary_psk_, primary_psk_len_,
+                             meshtastic_Routing_Error_PKI_UNKNOWN_PUBKEY);
+            mt_diag_log("[MT][PKI_RESYNC] node=%08lX action=forget_key+request_nodeinfo\n",
+                        static_cast<unsigned long>(header.from));
             LORA_LOG("[LORA] RX PKI decrypt fail from=%08lX id=%08lX len=%u hex=%s\n",
                      (unsigned long)header.from,
                      (unsigned long)header.id,
                      (unsigned)payload_size,
                      cipher_hex.c_str());
-            return;
         }
-    }
-    else
-    {
-        if (header.channel == primary_channel_hash_)
+        else if (last_drop_reason && std::strcmp(last_drop_reason, "channel_decrypt_fail") == 0)
         {
-            psk = primary_psk_;
-            psk_len = primary_psk_len_;
-        }
-        else if (header.channel == secondary_channel_hash_)
-        {
-            psk = secondary_psk_;
-            psk_len = secondary_psk_len_;
+            LORA_LOG("[LORA] RX decrypt fail id=%08lX ch=0x%02X psk=%u len=%u hex=%s\n",
+                     (unsigned long)header.id,
+                     header.channel,
+                     (unsigned)psk_len,
+                     (unsigned)payload_size,
+                     cipher_hex.c_str());
         }
         else
         {
-            std::string cipher_hex = toHex(payload, payload_size);
-            LORA_LOG("[LORA] RX unknown channel hash=0x%02X from=%08lX id=%08lX len=%u hex=%s (skip decode)\n",
-                     header.channel,
-                     (unsigned long)header.from,
+            LORA_LOG("[LORA] RX data decode fail id=%08lX len=%u hex=%s\n",
                      (unsigned long)header.id,
                      (unsigned)payload_size,
                      cipher_hex.c_str());
-            unknown_channel = true;
-        }
-
-        if (unknown_channel)
-        {
-            return;
-        }
-
-        if (psk && psk_len > 0)
-        {
-            if (!decryptPayload(header, payload, payload_size, psk, psk_len, plaintext, &plaintext_len))
-            {
-                std::string cipher_hex = toHex(payload, payload_size, payload_size);
-                LORA_LOG("[LORA] RX decrypt fail id=%08lX ch=0x%02X psk=%u len=%u hex=%s\n",
-                         (unsigned long)header.id,
-                         header.channel,
-                         (unsigned)psk_len,
-                         (unsigned)payload_size,
-                         cipher_hex.c_str());
-                return;
-            }
-        }
-        else
-        {
-            memcpy(plaintext, payload, payload_size);
-            plaintext_len = payload_size;
-        }
-
-        // Log decrypted protobuf payload (meshtastic_Data wire format)
-        if (plaintext_len > 0)
-        {
-            std::string protobuf_hex = toHex(plaintext, plaintext_len, plaintext_len);
-            LORA_LOG("[LORA] RX protobuf hex: %s\n", protobuf_hex.c_str());
         }
+        return;
     }
 
-    meshtastic_Data decoded = meshtastic_Data_init_default;
-    pb_istream_t stream = pb_istream_from_buffer(plaintext, plaintext_len);
-    if (pb_decode(&stream, meshtastic_Data_fields, &decoded))
+    // Only mark packets as seen after we have successfully identified and decoded them.
+    // This avoids poisoning dedup for retries when a packet failed due to stale PKI state.
+    dedup_.markSeen(header.from, header.id);
+
+    if (plaintext_len > 0)
     {
+        std::string protobuf_hex = toHex(plaintext, plaintext_len, plaintext_len);
+        LORA_LOG("[LORA] RX protobuf hex: %s\n", protobuf_hex.c_str());
+    }
+
+    {
+        const bool decoded_is_broadcast = (header.to == kBroadcastNodeId);
+        const bool decoded_want_response = decoded.want_response ||
+                                           (decoded.has_bitfield &&
+                                            ((decoded.bitfield & kBitfieldWantResponseMask) != 0));
+        mt_diag_log("[MT][RX_DECODE] from=%08lX to=%08lX id=%08lX ch=%u port=%u(%s) payload=%u bcast=%u resp=%u pki=%u\n",
+                    static_cast<unsigned long>(header.from),
+                    static_cast<unsigned long>(header.to),
+                    static_cast<unsigned long>(header.id),
+                    static_cast<unsigned>(header.channel),
+                    static_cast<unsigned>(decoded.portnum),
+                    portName(decoded.portnum),
+                    static_cast<unsigned>(decoded.payload.size),
+                    decoded_is_broadcast ? 1U : 0U,
+                    decoded_want_response ? 1U : 0U,
+                    used_pki_transport ? 1U : 0U);
+
         LORA_LOG("[LORA] RX data portnum=%u (%s) payload=%u\n",
                  (unsigned)decoded.portnum,
                  portName(decoded.portnum),
@@ -1671,11 +1884,19 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
                 bool published = sys::EventBus::publish(event, 0);
                 if (published)
                 {
+                    mt_diag_log("[MT][RX_NODEINFO] from=%08lX node=%08lX mode=nodeinfo published=1\n",
+                                static_cast<unsigned long>(header.from),
+                                static_cast<unsigned long>(node_id));
                     LORA_LOG("[LORA] NodeInfo event published node=%08lX\n",
                              (unsigned long)node_id);
                 }
                 else
                 {
+                    mt_diag_dropf(&header,
+                                  "nodeinfo_event_drop",
+                                  "node=%08lX pending=%u",
+                                  static_cast<unsigned long>(node_id),
+                                  static_cast<unsigned>(sys::EventBus::pendingCount()));
                     LORA_LOG("[LORA] NodeInfo event dropped node=%08lX pending=%u\n",
                              (unsigned long)node_id,
                              static_cast<unsigned>(sys::EventBus::pendingCount()));
@@ -1737,11 +1958,19 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
                     bool published = sys::EventBus::publish(event, 0);
                     if (published)
                     {
+                        mt_diag_log("[MT][RX_NODEINFO] from=%08lX node=%08lX mode=user published=1\n",
+                                    static_cast<unsigned long>(header.from),
+                                    static_cast<unsigned long>(node_id));
                         LORA_LOG("[LORA] NodeInfo event published node=%08lX\n",
                                  (unsigned long)node_id);
                     }
                     else
                     {
+                        mt_diag_dropf(&header,
+                                      "user_event_drop",
+                                      "node=%08lX pending=%u",
+                                      static_cast<unsigned long>(node_id),
+                                      static_cast<unsigned>(sys::EventBus::pendingCount()));
                         LORA_LOG("[LORA] NodeInfo event dropped node=%08lX pending=%u\n",
                                  (unsigned long)node_id,
                                  static_cast<unsigned>(sys::EventBus::pendingCount()));
@@ -1772,10 +2001,15 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
                 pb_istream_from_buffer(decoded.payload.bytes, decoded.payload.size);
             if (pb_decode(&pstream, meshtastic_Position_fields, &pos))
             {
+                mt_diag_log("[MT][RX_POSITION] from=%08lX id=%08lX payload=%u\n",
+                            static_cast<unsigned long>(header.from),
+                            static_cast<unsigned long>(header.id),
+                            static_cast<unsigned>(decoded.payload.size));
                 publishPositionEvent(header.from, pos);
             }
             else
             {
+                mt_diag_dropf(&header, "position_decode_fail");
                 LORA_LOG("[LORA] RX Position decode fail from=%08lX err=%s\n",
                          (unsigned long)header.from,
                          PB_GET_ERROR(&pstream));
@@ -1844,6 +2078,12 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
             meshtastic_KeyVerification kv = meshtastic_KeyVerification_init_default;
             if (decodeKeyVerificationMessage(plaintext, plaintext_len, &kv))
             {
+                mt_diag_log("[MT][KEY_VERIFY] from=%08lX id=%08lX stage=%s hash1=%u hash2=%u\n",
+                            static_cast<unsigned long>(header.from),
+                            static_cast<unsigned long>(header.id),
+                            keyVerificationStage(kv),
+                            static_cast<unsigned>(kv.hash1.size),
+                            static_cast<unsigned>(kv.hash2.size));
                 LORA_LOG("[LORA] RX key verification from=%08lX nonce=%llu hash1=%u hash2=%u stage=%s\n",
                          (unsigned long)header.from,
                          static_cast<unsigned long long>(kv.nonce),
@@ -1870,12 +2110,17 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
                 }
                 if (!handled)
                 {
+                    mt_diag_log("[MT][KEY_VERIFY] from=%08lX id=%08lX handled=0 stage=%s\n",
+                                static_cast<unsigned long>(header.from),
+                                static_cast<unsigned long>(header.id),
+                                keyVerificationStage(kv));
                     LORA_LOG("[LORA] RX key verification ignored stage=%s\n",
                              keyVerificationStage(kv));
                 }
             }
             else
             {
+                mt_diag_dropf(&header, "key_verify_decode_fail");
                 LORA_LOG("[LORA] RX key verification decode fail from=%08lX\n",
                          (unsigned long)header.from);
             }
@@ -1892,8 +2137,7 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
         bool is_nodeinfo_port = (decoded.portnum == meshtastic_PortNum_NODEINFO_APP);
         bool is_position_port = (decoded.portnum == meshtastic_PortNum_POSITION_APP);
         bool is_traceroute_port = (decoded.portnum == meshtastic_PortNum_TRACEROUTE_APP);
-        ChannelId channel_id =
-            (header.channel == secondary_channel_hash_) ? ChannelId::SECONDARY : ChannelId::PRIMARY;
+        ChannelId channel_id = decoded_channel_id;
         if (header.channel != 0 && header.from != node_id_)
         {
             node_last_channel_[header.from] = channel_id;
@@ -2015,48 +2259,67 @@ void MtAdapter::processReceivedPacket(const uint8_t* data, size_t size)
             if (app_receive_queue_.size() < MAX_APP_QUEUE)
             {
                 app_receive_queue_.push(incoming);
+                mt_diag_log("[MT][RX_APP] from=%08lX to=%08lX id=%08lX port=%u(%s) queued=1 depth=%u\n",
+                            static_cast<unsigned long>(incoming.from),
+                            static_cast<unsigned long>(incoming.to),
+                            static_cast<unsigned long>(incoming.packet_id),
+                            static_cast<unsigned>(incoming.portnum),
+                            portName(incoming.portnum),
+                            static_cast<unsigned>(app_receive_queue_.size()));
+            }
+            else
+            {
+                mt_diag_dropf(&header,
+                              "app_queue_full",
+                              "port=%u depth=%u",
+                              static_cast<unsigned>(incoming.portnum),
+                              static_cast<unsigned>(app_receive_queue_.size()));
             }
         }
-    }
-    else
-    {
-        std::string plain_hex = toHex(plaintext, plaintext_len);
-        LORA_LOG("[LORA] RX data decode fail id=%08lX err=%s len=%u hex=%s\n",
-                 (unsigned long)header.id,
-                 PB_GET_ERROR(&stream),
-                 (unsigned)plaintext_len,
-                 plain_hex.c_str());
-    }
 
-    // Decode Data message
-    MeshIncomingText incoming;
-    if (decodeTextMessage(plaintext, plaintext_len, &incoming))
-    {
-        // Fill in packet info from header
-        incoming.from = header.from;
-        incoming.to = header.to;
-        incoming.msg_id = header.id;
-        if (header.channel == secondary_channel_hash_)
+        if (is_text_port)
         {
-            incoming.channel = ChannelId::SECONDARY;
-        }
-        else
-        {
-            incoming.channel = ChannelId::PRIMARY;
-        }
-        incoming.hop_limit = header.flags & PACKET_FLAGS_HOP_LIMIT_MASK;
-        incoming.encrypted = (psk != nullptr && psk_len > 0);
-        incoming.rx_meta = rx_meta;
+            MeshIncomingText incoming;
+            if (decodeTextPayload(decoded, &incoming))
+            {
+                incoming.from = header.from;
+                incoming.to = header.to;
+                incoming.msg_id = header.id;
+                incoming.channel = decoded_channel_id;
+                incoming.hop_limit = header.flags & PACKET_FLAGS_HOP_LIMIT_MASK;
+                incoming.encrypted = used_pki_transport || (psk != nullptr && psk_len > 0);
+                incoming.rx_meta = rx_meta;
 
-        receive_queue_.push(incoming);
-        LORA_LOG("[LORA] RX text from=%08lX id=%08lX ch=%u len=%u\n",
-                 (unsigned long)incoming.from,
-                 (unsigned long)incoming.msg_id,
-                 static_cast<unsigned>(incoming.channel),
-                 (unsigned)incoming.text.size());
-        if (!incoming.text.empty())
-        {
-            LORA_LOG("[LORA] RX text msg='%s'\n", incoming.text.c_str());
+                receive_queue_.push(incoming);
+                mt_diag_log("[MT][RX_TEXT] from=%08lX to=%08lX id=%08lX ch=%u len=%u\n",
+                            static_cast<unsigned long>(incoming.from),
+                            static_cast<unsigned long>(incoming.to),
+                            static_cast<unsigned long>(incoming.msg_id),
+                            static_cast<unsigned>(incoming.channel),
+                            static_cast<unsigned>(incoming.text.size()));
+                LORA_LOG("[LORA] RX text from=%08lX id=%08lX ch=%u len=%u\n",
+                         (unsigned long)incoming.from,
+                         (unsigned long)incoming.msg_id,
+                         static_cast<unsigned>(incoming.channel),
+                         (unsigned)incoming.text.size());
+                if (!incoming.text.empty())
+                {
+                    LORA_LOG("[LORA] RX text msg='%s'\n", incoming.text.c_str());
+                }
+            }
+            else
+            {
+                mt_diag_dropf(&header,
+                              "text_decode_fail",
+                              "port=%u payload=%u",
+                              static_cast<unsigned>(decoded.portnum),
+                              static_cast<unsigned>(decoded.payload.size));
+                LORA_LOG("[LORA] RX text decode fail from=%08lX id=%08lX port=%u payload=%u\n",
+                         (unsigned long)header.from,
+                         (unsigned long)header.id,
+                         static_cast<unsigned>(decoded.portnum),
+                         static_cast<unsigned>(decoded.payload.size));
+            }
         }
     }
 }
@@ -2214,17 +2477,24 @@ bool MtAdapter::sendPacket(const PendingSend& pending)
     bool track_ack = true;
     bool air_want_ack = shouldSetAirWantAck(dest, track_ack);
 
-    // Try PKI encryption for direct messages when key is known
+    // Upstream Meshtastic requires PKI for direct unicast traffic on
+    // non-infrastructure ports and rejects legacy channel-encrypted DMs.
     const uint8_t* payload = data_buffer;
     size_t payload_len = data_size;
     const uint8_t* psk = nullptr;
     size_t psk_len = 0;
     bool use_pki = false;
-    if (dest != 0xFFFFFFFF && pki_enabled_)
+    if (shouldRequireDirectPki(encrypt_mode_, dest, pending.portnum))
     {
-        if (!pki_ready_ || !allowPkiForPortnum(pending.portnum) ||
-            (node_public_keys_.find(dest) == node_public_keys_.end()))
+        const bool have_dest_key = node_public_keys_.find(dest) != node_public_keys_.end();
+        if (!pki_ready_ || !have_dest_key)
         {
+            const char* reason = !pki_ready_ ? "pki_not_ready" : "pki_key_missing";
+            mt_diag_log("[MT][TX_BLOCK] id=%08lX dest=%08lX port=%u reason=%s path=PKI\n",
+                        static_cast<unsigned long>(pending.msg_id),
+                        static_cast<unsigned long>(dest),
+                        static_cast<unsigned>(pending.portnum),
+                        reason);
             LORA_LOG("[LORA] TX text PKI required but unavailable dest=%08lX\n",
                      (unsigned long)dest);
             return false;
@@ -2233,6 +2503,10 @@ bool MtAdapter::sendPacket(const PendingSend& pending)
         size_t pki_len = sizeof(pki_buf);
         if (!encryptPkiPayload(dest, pending.msg_id, data_buffer, data_size, pki_buf, &pki_len))
         {
+            mt_diag_log("[MT][TX_BLOCK] id=%08lX dest=%08lX port=%u reason=pki_encrypt_fail path=PKI\n",
+                        static_cast<unsigned long>(pending.msg_id),
+                        static_cast<unsigned long>(dest),
+                        static_cast<unsigned>(pending.portnum));
             LORA_LOG("[LORA] TX text PKI encrypt failed dest=%08lX\n",
                      (unsigned long)dest);
             return false;
@@ -2272,6 +2546,14 @@ bool MtAdapter::sendPacket(const PendingSend& pending)
              (unsigned)psk_len,
              (channel_hash == 0) ? 1U : 0U,
              (unsigned long)dest);
+    mt_diag_log("[MT][TX_ROUTE] id=%08lX dest=%08lX port=%u logical_ch=%u wire_ch=%u path=%s payload=%u\n",
+                static_cast<unsigned long>(pending.msg_id),
+                static_cast<unsigned long>(dest),
+                static_cast<unsigned>(pending.portnum),
+                static_cast<unsigned>(channel),
+                static_cast<unsigned>(channel_hash),
+                use_pki ? "PKI" : "CHANNEL",
+                static_cast<unsigned>(payload_len));
 
     if (!buildWirePacket(payload, payload_len, from_node, pending.msg_id,
                          dest, channel_hash, hop_limit, air_want_ack,
@@ -3153,15 +3435,26 @@ bool MtAdapter::decryptPkiPayload(uint32_t from, uint32_t packet_id,
 {
     if (!cipher || cipher_len <= 12 || !out_plain || !out_plain_len)
     {
+        mt_diag_log("[MT][PKI] decrypt_skip from=%08lX id=%08lX reason=bad_args len=%u\n",
+                    static_cast<unsigned long>(from),
+                    static_cast<unsigned long>(packet_id),
+                    static_cast<unsigned>(cipher_len));
         return false;
     }
     if (!pki_ready_)
     {
+        mt_diag_log("[MT][PKI] decrypt_skip from=%08lX id=%08lX reason=not_ready len=%u\n",
+                    static_cast<unsigned long>(from),
+                    static_cast<unsigned long>(packet_id),
+                    static_cast<unsigned>(cipher_len));
         return false;
     }
     auto it = node_public_keys_.find(from);
     if (it == node_public_keys_.end())
     {
+        mt_diag_log("[MT][PKI] decrypt_skip from=%08lX id=%08lX reason=key_missing\n",
+                    static_cast<unsigned long>(from),
+                    static_cast<unsigned long>(packet_id));
         LORA_LOG("[LORA] PKI key missing for %08lX\n", (unsigned long)from);
         sendNodeInfoTo(from, true, ChannelId::PRIMARY);
         sendRoutingError(from, packet_id, primary_channel_hash_,
@@ -3179,6 +3472,9 @@ bool MtAdapter::decryptPkiPayload(uint32_t from, uint32_t packet_id,
     memcpy(local_priv, pki_private_key_.data(), sizeof(local_priv));
     if (!Curve25519::dh2(shared, local_priv))
     {
+        mt_diag_log("[MT][PKI] decrypt_fail from=%08lX id=%08lX reason=dh2\n",
+                    static_cast<unsigned long>(from),
+                    static_cast<unsigned long>(packet_id));
         return false;
     }
 
@@ -3187,6 +3483,7 @@ bool MtAdapter::decryptPkiPayload(uint32_t from, uint32_t packet_id,
     const uint8_t* auth = cipher + (cipher_len - 12);
     uint32_t extra_nonce = 0;
     memcpy(&extra_nonce, auth + 8, sizeof(extra_nonce));
+    std::string key_fp = toHex(it->second.data(), it->second.size(), 8);
 
     uint8_t nonce[16];
     uint64_t packet_id64 = static_cast<uint64_t>(packet_id);
@@ -3196,12 +3493,22 @@ bool MtAdapter::decryptPkiPayload(uint32_t from, uint32_t packet_id,
     if (*out_plain_len < plain_len)
     {
         *out_plain_len = plain_len;
+        mt_diag_log("[MT][PKI] decrypt_skip from=%08lX id=%08lX reason=buffer_small need=%u\n",
+                    static_cast<unsigned long>(from),
+                    static_cast<unsigned long>(packet_id),
+                    static_cast<unsigned>(plain_len));
         return false;
     }
 
     if (!decryptPkiAesCcm(shared, sizeof(shared), nonce, 8,
                           cipher, plain_len, nullptr, 0, auth, out_plain))
     {
+        mt_diag_log("[MT][PKI] decrypt_fail from=%08lX id=%08lX reason=ccm_auth key=%s extra_nonce=%08lX len=%u\n",
+                    static_cast<unsigned long>(from),
+                    static_cast<unsigned long>(packet_id),
+                    key_fp.c_str(),
+                    static_cast<unsigned long>(extra_nonce),
+                    static_cast<unsigned>(cipher_len));
         return false;
     }
 
diff --git a/platform/esp/arduino_common/src/chat/infra/store/flash_store.cpp b/platform/esp/arduino_common/src/chat/infra/store/flash_store.cpp
index 00e39c7c..0cf73f81 100644
--- a/platform/esp/arduino_common/src/chat/infra/store/flash_store.cpp
+++ b/platform/esp/arduino_common/src/chat/infra/store/flash_store.cpp
@@ -280,6 +280,44 @@ bool FlashStore::updateMessageStatus(MessageId msg_id, MessageStatus status)
     return false;
 }
 
+bool FlashStore::getMessage(MessageId msg_id, ChatMessage* out) const
+{
+    if (!ready_ || msg_id == 0)
+    {
+        return false;
+    }
+
+    for (size_t i = 0; i < count_; ++i)
+    {
+        size_t idx = (head_ + kMaxMessages - 1 - i) % kMaxMessages;
+        const Record& rec = records_[idx];
+        if (rec.text_len == 0)
+        {
+            continue;
+        }
+        if (rec.msg_id != msg_id)
+        {
+            continue;
+        }
+
+        if (out)
+        {
+            ChatMessage msg;
+            msg.protocol = static_cast<MeshProtocol>(rec.protocol);
+            msg.channel = static_cast<ChannelId>(rec.channel);
+            msg.from = rec.from;
+            msg.peer = rec.peer;
+            msg.msg_id = rec.msg_id;
+            msg.timestamp = rec.timestamp;
+            msg.text.assign(rec.text, rec.text_len);
+            msg.status = static_cast<MessageStatus>(rec.status);
+            *out = msg;
+        }
+        return true;
+    }
+    return false;
+}
+
 void FlashStore::loadFromPrefs()
 {
     uint8_t ver = prefs_.getUChar(kKeyVer, 0);
diff --git a/platform/esp/arduino_common/src/chat/infra/store/log_store.cpp b/platform/esp/arduino_common/src/chat/infra/store/log_store.cpp
index 4701c8ef..562ce6fd 100644
--- a/platform/esp/arduino_common/src/chat/infra/store/log_store.cpp
+++ b/platform/esp/arduino_common/src/chat/infra/store/log_store.cpp
@@ -432,6 +432,80 @@ bool LogStore::updateMessageStatus(MessageId msg_id, MessageStatus status)
     return updated;
 }
 
+bool LogStore::getMessage(MessageId msg_id, ChatMessage* out) const
+{
+    if (!fs_ || msg_id == 0)
+    {
+        return false;
+    }
+
+    std::vector<IndexEntry> entries;
+    if (!const_cast<LogStore*>(this)->readIndex(entries))
+    {
+        return false;
+    }
+
+    for (const auto& entry : entries)
+    {
+        ConversationId conv(static_cast<ChannelId>(entry.channel),
+                            entry.peer,
+                            static_cast<MeshProtocol>(entry.protocol));
+        char path[64];
+        buildConversationPath(conv, path, sizeof(path));
+        if (!fs_->exists(path))
+        {
+            continue;
+        }
+
+        File rf = fs_->open(path, FILE_READ);
+        if (!rf)
+        {
+            continue;
+        }
+
+        FileHeader header{};
+        if (!const_cast<LogStore*>(this)->loadFileHeader(rf, header))
+        {
+            rf.close();
+            continue;
+        }
+
+        for (uint16_t i = 0; i < header.count; ++i)
+        {
+            uint16_t slot =
+                static_cast<uint16_t>((header.head + kMaxMessagesPerConv - header.count + i) %
+                                      kMaxMessagesPerConv);
+            Record rec{};
+            if (!const_cast<LogStore*>(this)->readRecord(rf, slot, rec))
+            {
+                continue;
+            }
+            if (rec.text_len == 0 || rec.msg_id != msg_id)
+            {
+                continue;
+            }
+
+            if (out)
+            {
+                ChatMessage msg;
+                msg.protocol = static_cast<MeshProtocol>(rec.protocol);
+                msg.channel = static_cast<ChannelId>(rec.channel);
+                msg.from = rec.from;
+                msg.peer = rec.peer;
+                msg.msg_id = rec.msg_id;
+                msg.timestamp = rec.timestamp;
+                msg.text.assign(rec.text, rec.text_len);
+                msg.status = static_cast<MessageStatus>(rec.status);
+                *out = msg;
+            }
+            rf.close();
+            return true;
+        }
+        rf.close();
+    }
+    return false;
+}
+
 bool LogStore::ensureDir()
 {
     if (!fs_) return false;
diff --git a/platform/esp/arduino_common/src/platform_ui_device_runtime.cpp b/platform/esp/arduino_common/src/platform_ui_device_runtime.cpp
index 535e3cd3..db563ab1 100644
--- a/platform/esp/arduino_common/src/platform_ui_device_runtime.cpp
+++ b/platform/esp/arduino_common/src/platform_ui_device_runtime.cpp
@@ -1,6 +1,8 @@
 #include "platform/ui/device_runtime.h"
 
 #include "board/BoardBase.h"
+#include "esp_heap_caps.h"
+#include "esp_ota_ops.h"
 #include "esp_system.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
@@ -33,6 +35,23 @@ BatteryInfo battery_info()
     return info;
 }
 
+MemoryStats memory_stats()
+{
+    MemoryStats stats{};
+    stats.ram_total_bytes = heap_caps_get_total_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
+    stats.ram_free_bytes = heap_caps_get_free_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
+    stats.psram_total_bytes = heap_caps_get_total_size(MALLOC_CAP_SPIRAM);
+    stats.psram_free_bytes = heap_caps_get_free_size(MALLOC_CAP_SPIRAM);
+    stats.psram_available = stats.psram_total_bytes > 0;
+    return stats;
+}
+
+const char* firmware_version()
+{
+    const esp_app_desc_t* desc = esp_ota_get_app_description();
+    return (desc && desc->version[0] != '\0') ? desc->version : "unknown";
+}
+
 void handle_low_battery(const BatteryInfo& info)
 {
     if (!info.available || info.level < 0)
diff --git a/platform/esp/arduino_common/src/platform_ui_wifi_runtime.cpp b/platform/esp/arduino_common/src/platform_ui_wifi_runtime.cpp
new file mode 100644
index 00000000..4d10859e
--- /dev/null
+++ b/platform/esp/arduino_common/src/platform_ui_wifi_runtime.cpp
@@ -0,0 +1 @@
+#include "platform/esp/common/wifi_runtime_impl.h"
diff --git a/platform/esp/arduino_common/src/ui/widgets/map/map_tiles.cpp b/platform/esp/arduino_common/src/ui/widgets/map/map_tiles.cpp
index 9c0974c4..8a4442bd 100644
--- a/platform/esp/arduino_common/src/ui/widgets/map/map_tiles.cpp
+++ b/platform/esp/arduino_common/src/ui/widgets/map/map_tiles.cpp
@@ -11,6 +11,7 @@
 #include "src/misc/cache/instance/lv_image_cache.h"
 #include "sys/clock.h"
 #include "ui/page/page_profile.h"
+#include "ui/runtime/memory_profile.h"
 #include "ui/screens/gps/gps_constants.h"
 #include "ui/support/lvgl_fs_utils.h"
 #include <algorithm>
@@ -183,7 +184,10 @@ size_t tile_record_limit(const TileContext& ctx)
 size_t tile_decode_cache_limit(const TileContext& ctx)
 {
     const size_t desired = std::max<size_t>(TILE_CACHE_LIMIT, tile_object_cache_limit(ctx));
-    return std::min<size_t>(desired, static_cast<size_t>(TILE_DECODE_CACHE_SIZE));
+    const size_t profile_limit =
+        std::max<std::size_t>(1U, ::ui::runtime::current_memory_profile().max_map_decode_tiles);
+    return std::min<size_t>(std::min<size_t>(desired, profile_limit),
+                            static_cast<size_t>(TILE_DECODE_CACHE_SIZE));
 }
 
 const char* major_contour_profile_for_zoom(int z)
@@ -1964,10 +1968,15 @@ void cleanup_tiles(TileContext& ctx)
         reset_tile_runtime(tile);
     }
     ctx.tiles->clear();
-    // Keep vector capacity and decoded tile cache alive across page exits.
-    // Late LVGL draw work can still reference image internals for a short time,
-    // so aggressively freeing image caches here is unsafe.
-    release_tile_decode_cache_usage();
+    if (::ui::runtime::current_memory_profile().retain_map_decode_cache_on_page_exit)
+    {
+        // Extended-memory boards can keep decoded tiles hot across page exits.
+        release_tile_decode_cache_usage();
+    }
+    else
+    {
+        clear_tile_decode_cache();
+    }
     g_active_map_source = 0xFF;
     g_active_contour_enabled = false;
     g_missing_tile_notice_pending = false;
diff --git a/platform/esp/common/include/platform/esp/common/settings_store_impl.h b/platform/esp/common/include/platform/esp/common/settings_store_impl.h
index 4c2a327b..528f2286 100644
--- a/platform/esp/common/include/platform/esp/common/settings_store_impl.h
+++ b/platform/esp/common/include/platform/esp/common/settings_store_impl.h
@@ -21,7 +21,9 @@ struct StorageKeyAlias
 };
 
 constexpr StorageKeyAlias kStorageKeyAliases[] = {
+    // Legacy key kept for one-shot locale migration from int -> locale id.
     {"display_language", "disp_lang"},
+    {"display_locale", "disp_locale"},
     {"screen_brightness", "screen_bright"},
     {"vibration_enabled", "vibe_enabled"},
     {"gauge_design_mah", "gauge_dsgn"},
@@ -123,6 +125,12 @@ inline bool commit_and_close(nvs_handle_t handle)
     return ok;
 }
 
+inline bool erase_key_if_present(nvs_handle_t handle, const char* storage_key)
+{
+    const esp_err_t err = nvs_erase_key(handle, storage_key);
+    return err == ESP_OK || err == ESP_ERR_NVS_NOT_FOUND;
+}
+
 } // namespace platform::esp::common::settings_store_detail
 
 namespace platform::ui::settings_store
@@ -248,6 +256,69 @@ void put_uint(const char* ns, const char* key, uint32_t value)
          bool_label(ok));
 }
 
+bool put_string(const char* ns, const char* key, const char* value)
+{
+    using namespace ::platform::esp::common::settings_store_detail;
+
+    if (!key || !value)
+    {
+        return false;
+    }
+
+    const char* storage_key = resolve_storage_key(key);
+    if (!validate_storage_key("WRITE", ns, key, storage_key))
+    {
+        return false;
+    }
+
+    nvs_handle_t handle = 0;
+    if (!open_namespace(ns, false, &handle))
+    {
+        log_open_failure("WRITE", ns, key, storage_key);
+        return false;
+    }
+
+    bool ok = false;
+    if (value[0] == '\0')
+    {
+        ok = erase_key_if_present(handle, storage_key);
+        if (ok)
+        {
+            ok = commit_and_close(handle);
+        }
+        else
+        {
+            nvs_close(handle);
+        }
+
+        logf("[CfgStore][REMOVE] ns=%s key=%s storage_key=%s type=string ok=%s\n",
+             safe_label(ns),
+             safe_label(key),
+             safe_label(storage_key),
+             bool_label(ok));
+        return ok;
+    }
+
+    ok = nvs_set_str(handle, storage_key, value) == ESP_OK;
+    if (ok)
+    {
+        ok = commit_and_close(handle);
+    }
+    else
+    {
+        nvs_close(handle);
+    }
+
+    logf("[CfgStore][WRITE] ns=%s key=%s storage_key=%s type=string len=%lu value=%s ok=%s\n",
+         safe_label(ns),
+         safe_label(key),
+         safe_label(storage_key),
+         static_cast<unsigned long>(std::strlen(value)),
+         safe_label(value),
+         bool_label(ok));
+    return ok;
+}
+
 bool put_blob(const char* ns, const char* key, const void* data, std::size_t len)
 {
     using namespace ::platform::esp::common::settings_store_detail;
@@ -273,7 +344,7 @@ bool put_blob(const char* ns, const char* key, const void* data, std::size_t len
     bool ok = false;
     if (len == 0)
     {
-        ok = nvs_erase_key(handle, storage_key) == ESP_OK;
+        ok = erase_key_if_present(handle, storage_key);
         if (ok)
         {
             ok = commit_and_close(handle);
@@ -418,6 +489,74 @@ uint32_t get_uint(const char* ns, const char* key, uint32_t default_value)
     return value;
 }
 
+bool get_string(const char* ns, const char* key, std::string& out)
+{
+    using namespace ::platform::esp::common::settings_store_detail;
+
+    out.clear();
+    if (!key)
+    {
+        return false;
+    }
+
+    const char* storage_key = resolve_storage_key(key);
+    if (!validate_storage_key("READ", ns, key, storage_key))
+    {
+        return false;
+    }
+
+    nvs_handle_t handle = 0;
+    if (!open_namespace(ns, true, &handle))
+    {
+        log_open_failure("READ", ns, key, storage_key);
+        return false;
+    }
+
+    std::size_t len = 0;
+    const esp_err_t len_err = nvs_get_str(handle, storage_key, nullptr, &len);
+    if (len_err != ESP_OK || len == 0)
+    {
+        logf("[CfgStore][READ] ns=%s key=%s storage_key=%s type=string source=%s len=0\n",
+             safe_label(ns),
+             safe_label(key),
+             safe_label(storage_key),
+             len_err == ESP_OK ? "empty" : "missing");
+        nvs_close(handle);
+        return false;
+    }
+
+    std::string buffer(len, '\0');
+    std::size_t read = len;
+    const bool ok =
+        nvs_get_str(handle, storage_key, buffer.empty() ? nullptr : &buffer[0], &read) == ESP_OK &&
+        read == len;
+    nvs_close(handle);
+
+    if (!ok)
+    {
+        logf("[CfgStore][READ] ns=%s key=%s storage_key=%s type=string source=stored len=%lu ok=false\n",
+             safe_label(ns),
+             safe_label(key),
+             safe_label(storage_key),
+             static_cast<unsigned long>(len));
+        return false;
+    }
+
+    if (!buffer.empty() && buffer.back() == '\0')
+    {
+        buffer.pop_back();
+    }
+    out = std::move(buffer);
+
+    logf("[CfgStore][READ] ns=%s key=%s storage_key=%s type=string source=stored len=%lu value=%s ok=true\n",
+         safe_label(ns),
+         safe_label(key),
+         safe_label(storage_key),
+         static_cast<unsigned long>(out.size()),
+         safe_label(out.c_str()));
+    return true;
+}
+
 bool get_blob(const char* ns, const char* key, std::vector<uint8_t>& out)
 {
     using namespace ::platform::esp::common::settings_store_detail;
@@ -505,7 +644,7 @@ void remove_keys(const char* ns, const char* const* keys, std::size_t key_count)
             continue;
         }
 
-        const bool ok = nvs_erase_key(handle, storage_key) == ESP_OK;
+        const bool ok = erase_key_if_present(handle, storage_key);
         changed = changed || ok;
         logf("[CfgStore][REMOVE] ns=%s key=%s storage_key=%s ok=%s\n",
              safe_label(ns),
diff --git a/platform/esp/common/include/platform/esp/common/wifi_runtime_impl.h b/platform/esp/common/include/platform/esp/common/wifi_runtime_impl.h
new file mode 100644
index 00000000..51a608a2
--- /dev/null
+++ b/platform/esp/common/include/platform/esp/common/wifi_runtime_impl.h
@@ -0,0 +1,652 @@
+#pragma once
+
+#include "platform/ui/settings_store.h"
+#include "platform/ui/wifi_runtime.h"
+
+#include <algorithm>
+#include <cstdio>
+#include <cstring>
+#include <vector>
+
+#include "esp_err.h"
+#include "esp_event.h"
+#include "esp_netif.h"
+#include "esp_wifi.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+#if defined(TRAIL_MATE_ESP_BOARD_TAB5)
+#include "bsp/m5stack_tab5.h"
+#endif
+
+namespace platform::ui::wifi
+{
+namespace
+{
+
+constexpr const char* kSettingsNs = "settings";
+constexpr const char* kWifiEnabledKey = "wifi_enabled";
+constexpr const char* kWifiSsidKey = "wifi_ssid";
+constexpr const char* kWifiPasswordKey = "wifi_password";
+
+struct RuntimeState
+{
+    bool stack_ready = false;
+    bool handlers_registered = false;
+    bool wifi_started = false;
+    bool wifi_initialized = false;
+    bool config_cached = false;
+    bool connected = false;
+    bool connecting = false;
+    bool scanning = false;
+    int rssi = -127;
+    Config config{};
+    char ssid[kMaxSsidLength + 1] = {};
+    char ip[kMaxIpLength + 1] = {};
+    char message[kMaxStatusMessageLength + 1] = {};
+    esp_netif_t* sta_netif = nullptr;
+    esp_event_handler_instance_t wifi_event_handler = nullptr;
+    esp_event_handler_instance_t ip_event_handler = nullptr;
+};
+
+RuntimeState s_runtime{};
+
+void copy_bounded(char* out, std::size_t out_len, const char* text)
+{
+    if (!out || out_len == 0)
+    {
+        return;
+    }
+
+    const char* source = text ? text : "";
+    std::snprintf(out, out_len, "%s", source);
+}
+
+void set_status_message(const char* message)
+{
+    copy_bounded(s_runtime.message, sizeof(s_runtime.message), message);
+}
+
+void cache_config(const Config& config)
+{
+    s_runtime.config = config;
+    s_runtime.config_cached = true;
+}
+
+bool read_config_from_store(Config& out)
+{
+    out = Config{};
+    out.enabled = ::platform::ui::settings_store::get_bool(kSettingsNs, kWifiEnabledKey, false);
+
+    std::string value;
+    if (::platform::ui::settings_store::get_string(kSettingsNs, kWifiSsidKey, value))
+    {
+        copy_bounded(out.ssid, sizeof(out.ssid), value.c_str());
+    }
+
+    value.clear();
+    if (::platform::ui::settings_store::get_string(kSettingsNs, kWifiPasswordKey, value))
+    {
+        copy_bounded(out.password, sizeof(out.password), value.c_str());
+    }
+
+    cache_config(out);
+    return true;
+}
+
+const Config& current_config()
+{
+    if (!s_runtime.config_cached)
+    {
+        Config config{};
+        (void)read_config_from_store(config);
+    }
+    return s_runtime.config;
+}
+
+bool has_saved_credentials(const Config& config)
+{
+    return config.ssid[0] != '\0';
+}
+
+ConnectionState disconnected_state(bool enabled, bool has_credentials)
+{
+    if (!enabled)
+    {
+        return ConnectionState::Disabled;
+    }
+    return has_credentials ? ConnectionState::Idle : ConnectionState::Error;
+}
+
+void clear_connection_details()
+{
+    s_runtime.connected = false;
+    s_runtime.connecting = false;
+    s_runtime.rssi = -127;
+    s_runtime.ssid[0] = '\0';
+    s_runtime.ip[0] = '\0';
+}
+
+void refresh_runtime_status_message()
+{
+    const Config& config = s_runtime.config;
+
+    if (!s_runtime.config_cached || !config.enabled)
+    {
+        set_status_message("Wi-Fi disabled");
+        return;
+    }
+
+    if (s_runtime.scanning)
+    {
+        set_status_message("Scanning...");
+        return;
+    }
+
+    if (s_runtime.connecting)
+    {
+        set_status_message("Connecting...");
+        return;
+    }
+
+    if (s_runtime.connected)
+    {
+        if (s_runtime.ip[0] != '\0')
+        {
+            char buffer[kMaxStatusMessageLength + 1];
+            std::snprintf(buffer,
+                          sizeof(buffer),
+                          "Connected %s",
+                          s_runtime.ip);
+            set_status_message(buffer);
+        }
+        else
+        {
+            set_status_message("Connected");
+        }
+        return;
+    }
+
+    if (!has_saved_credentials(config))
+    {
+        set_status_message("Set SSID and password");
+        return;
+    }
+
+    set_status_message("Ready to connect");
+}
+
+bool ensure_stack_ready()
+{
+    if (s_runtime.stack_ready)
+    {
+        return true;
+    }
+
+#if defined(TRAIL_MATE_ESP_BOARD_TAB5)
+    bsp_set_wifi_power_enable(true);
+#endif
+
+    const esp_err_t netif_err = esp_netif_init();
+    if (netif_err != ESP_OK && netif_err != ESP_ERR_INVALID_STATE)
+    {
+        set_status_message("esp_netif_init failed");
+        return false;
+    }
+
+    const esp_err_t loop_err = esp_event_loop_create_default();
+    if (loop_err != ESP_OK && loop_err != ESP_ERR_INVALID_STATE)
+    {
+        set_status_message("event loop init failed");
+        return false;
+    }
+
+    if (s_runtime.sta_netif == nullptr)
+    {
+        s_runtime.sta_netif = esp_netif_create_default_wifi_sta();
+        if (s_runtime.sta_netif == nullptr)
+        {
+            set_status_message("STA netif create failed");
+            return false;
+        }
+    }
+
+    s_runtime.stack_ready = true;
+    return true;
+}
+
+void wifi_event_handler(void*,
+                        esp_event_base_t event_base,
+                        int32_t event_id,
+                        void* event_data)
+{
+    if (event_base == WIFI_EVENT)
+    {
+        switch (event_id)
+        {
+        case WIFI_EVENT_STA_CONNECTED:
+            s_runtime.connecting = false;
+            break;
+        case WIFI_EVENT_STA_DISCONNECTED:
+            clear_connection_details();
+            refresh_runtime_status_message();
+            break;
+        case WIFI_EVENT_SCAN_DONE:
+            s_runtime.scanning = false;
+            refresh_runtime_status_message();
+            break;
+        default:
+            break;
+        }
+    }
+    else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP)
+    {
+        const auto* got_ip = static_cast<ip_event_got_ip_t*>(event_data);
+        s_runtime.connected = true;
+        s_runtime.connecting = false;
+        if (got_ip)
+        {
+            std::snprintf(s_runtime.ip,
+                          sizeof(s_runtime.ip),
+                          IPSTR,
+                          IP2STR(&got_ip->ip_info.ip));
+        }
+        wifi_ap_record_t ap_info{};
+        if (esp_wifi_sta_get_ap_info(&ap_info) == ESP_OK)
+        {
+            s_runtime.rssi = ap_info.rssi;
+            copy_bounded(s_runtime.ssid,
+                         sizeof(s_runtime.ssid),
+                         reinterpret_cast<const char*>(ap_info.ssid));
+        }
+        refresh_runtime_status_message();
+    }
+}
+
+bool ensure_wifi_initialized()
+{
+    if (s_runtime.wifi_initialized)
+    {
+        return true;
+    }
+
+    if (!ensure_stack_ready())
+    {
+        return false;
+    }
+
+    wifi_init_config_t config = WIFI_INIT_CONFIG_DEFAULT();
+    const esp_err_t init_err = esp_wifi_init(&config);
+    if (init_err != ESP_OK && init_err != ESP_ERR_WIFI_INIT_STATE)
+    {
+        set_status_message("esp_wifi_init failed");
+        return false;
+    }
+
+    const esp_err_t storage_err = esp_wifi_set_storage(WIFI_STORAGE_RAM);
+    if (storage_err != ESP_OK)
+    {
+        set_status_message("wifi storage failed");
+        return false;
+    }
+
+    const esp_err_t mode_err = esp_wifi_set_mode(WIFI_MODE_STA);
+    if (mode_err != ESP_OK)
+    {
+        set_status_message("wifi mode failed");
+        return false;
+    }
+
+    const esp_err_t ps_err = esp_wifi_set_ps(WIFI_PS_MIN_MODEM);
+    if (ps_err != ESP_OK)
+    {
+        set_status_message("wifi power-save failed");
+        return false;
+    }
+
+    if (!s_runtime.handlers_registered)
+    {
+        if (esp_event_handler_instance_register(
+                WIFI_EVENT,
+                ESP_EVENT_ANY_ID,
+                &wifi_event_handler,
+                nullptr,
+                &s_runtime.wifi_event_handler) != ESP_OK)
+        {
+            set_status_message("wifi event hook failed");
+            return false;
+        }
+
+        if (esp_event_handler_instance_register(
+                IP_EVENT,
+                IP_EVENT_STA_GOT_IP,
+                &wifi_event_handler,
+                nullptr,
+                &s_runtime.ip_event_handler) != ESP_OK)
+        {
+            set_status_message("ip event hook failed");
+            return false;
+        }
+
+        s_runtime.handlers_registered = true;
+    }
+
+    s_runtime.wifi_initialized = true;
+    return true;
+}
+
+bool ensure_wifi_started()
+{
+    if (s_runtime.wifi_started)
+    {
+        return true;
+    }
+
+    if (!ensure_wifi_initialized())
+    {
+        return false;
+    }
+
+#if defined(TRAIL_MATE_ESP_BOARD_TAB5)
+    bsp_set_wifi_power_enable(true);
+#endif
+
+    const esp_err_t start_err = esp_wifi_start();
+    if (start_err != ESP_OK && start_err != ESP_ERR_WIFI_CONN)
+    {
+        set_status_message("wifi start failed");
+        return false;
+    }
+
+    s_runtime.wifi_started = true;
+    refresh_runtime_status_message();
+    return true;
+}
+
+} // namespace
+
+bool is_supported()
+{
+    return true;
+}
+
+bool load_config(Config& out)
+{
+    return read_config_from_store(out);
+}
+
+bool save_config(const Config& config)
+{
+    const bool ssid_ok =
+        ::platform::ui::settings_store::put_string(kSettingsNs, kWifiSsidKey, config.ssid);
+    const bool password_ok =
+        ::platform::ui::settings_store::put_string(kSettingsNs, kWifiPasswordKey, config.password);
+    ::platform::ui::settings_store::put_bool(kSettingsNs, kWifiEnabledKey, config.enabled);
+    cache_config(config);
+    refresh_runtime_status_message();
+    return ssid_ok && password_ok;
+}
+
+bool apply_enabled(bool enabled)
+{
+    if (!is_supported())
+    {
+        return false;
+    }
+
+    if (!enabled)
+    {
+        if (s_runtime.wifi_started)
+        {
+            (void)esp_wifi_disconnect();
+            (void)esp_wifi_stop();
+        }
+#if defined(TRAIL_MATE_ESP_BOARD_TAB5)
+        bsp_set_wifi_power_enable(false);
+#endif
+        s_runtime.wifi_started = false;
+        clear_connection_details();
+        set_status_message("Wi-Fi disabled");
+        return true;
+    }
+
+    if (!ensure_wifi_started())
+    {
+        return false;
+    }
+
+    clear_connection_details();
+    refresh_runtime_status_message();
+    return true;
+}
+
+bool connect(const Config* override_config)
+{
+    Config config{};
+    if (override_config)
+    {
+        config = *override_config;
+    }
+    else
+    {
+        (void)load_config(config);
+    }
+
+    if (!config.enabled)
+    {
+        set_status_message("Enable Wi-Fi first");
+        return false;
+    }
+
+    if (!has_saved_credentials(config))
+    {
+        set_status_message("SSID is not set");
+        return false;
+    }
+
+    if (!ensure_wifi_started())
+    {
+        return false;
+    }
+
+    wifi_config_t wifi_config{};
+    copy_bounded(reinterpret_cast<char*>(wifi_config.sta.ssid),
+                 sizeof(wifi_config.sta.ssid),
+                 config.ssid);
+    copy_bounded(reinterpret_cast<char*>(wifi_config.sta.password),
+                 sizeof(wifi_config.sta.password),
+                 config.password);
+    wifi_config.sta.threshold.authmode =
+        config.password[0] == '\0' ? WIFI_AUTH_OPEN : WIFI_AUTH_WPA2_PSK;
+    wifi_config.sta.pmf_cfg.capable = true;
+    wifi_config.sta.pmf_cfg.required = false;
+
+    if (esp_wifi_set_config(WIFI_IF_STA, &wifi_config) != ESP_OK)
+    {
+        set_status_message("Set Wi-Fi config failed");
+        return false;
+    }
+
+    clear_connection_details();
+    s_runtime.connecting = true;
+    refresh_runtime_status_message();
+
+    if (esp_wifi_disconnect() != ESP_OK)
+    {
+        // Ignore disconnect failures before a fresh connect attempt.
+    }
+    if (esp_wifi_connect() != ESP_OK)
+    {
+        s_runtime.connecting = false;
+        set_status_message("Wi-Fi connect failed");
+        return false;
+    }
+
+    constexpr int kConnectTimeoutMs = 15000;
+    constexpr int kPollMs = 100;
+    int waited_ms = 0;
+    while (waited_ms < kConnectTimeoutMs)
+    {
+        if (s_runtime.connected)
+        {
+            refresh_runtime_status_message();
+            return true;
+        }
+        vTaskDelay(pdMS_TO_TICKS(kPollMs));
+        waited_ms += kPollMs;
+    }
+
+    s_runtime.connecting = false;
+    set_status_message("Wi-Fi connect timeout");
+    return false;
+}
+
+void disconnect()
+{
+    if (s_runtime.wifi_started)
+    {
+        (void)esp_wifi_disconnect();
+    }
+    clear_connection_details();
+    refresh_runtime_status_message();
+}
+
+bool scan(std::vector<ScanResult>& out_results)
+{
+    out_results.clear();
+
+    Config config{};
+    (void)load_config(config);
+    if (!config.enabled)
+    {
+        set_status_message("Enable Wi-Fi first");
+        return false;
+    }
+
+    if (!ensure_wifi_started())
+    {
+        return false;
+    }
+
+    s_runtime.scanning = true;
+    refresh_runtime_status_message();
+
+    wifi_scan_config_t scan_config{};
+    const esp_err_t scan_err = esp_wifi_scan_start(&scan_config, true);
+    s_runtime.scanning = false;
+    if (scan_err != ESP_OK)
+    {
+        set_status_message("Wi-Fi scan failed");
+        return false;
+    }
+
+    uint16_t ap_count = 0;
+    if (esp_wifi_scan_get_ap_num(&ap_count) != ESP_OK || ap_count == 0)
+    {
+        set_status_message("No Wi-Fi networks found");
+        return true;
+    }
+
+    std::vector<wifi_ap_record_t> records(ap_count);
+    if (esp_wifi_scan_get_ap_records(&ap_count, records.data()) != ESP_OK)
+    {
+        set_status_message("Read scan results failed");
+        return false;
+    }
+
+    out_results.reserve(ap_count);
+    for (const wifi_ap_record_t& record : records)
+    {
+        if (record.ssid[0] == 0)
+        {
+            continue;
+        }
+
+        ScanResult result{};
+        copy_bounded(result.ssid,
+                     sizeof(result.ssid),
+                     reinterpret_cast<const char*>(record.ssid));
+        result.rssi = record.rssi;
+        result.requires_password = record.authmode != WIFI_AUTH_OPEN;
+        out_results.push_back(result);
+    }
+
+    std::sort(out_results.begin(),
+              out_results.end(),
+              [](const ScanResult& lhs, const ScanResult& rhs)
+              {
+                  return lhs.rssi > rhs.rssi;
+              });
+
+    char buffer[kMaxStatusMessageLength + 1];
+    std::snprintf(buffer,
+                  sizeof(buffer),
+                  "Found %u networks",
+                  static_cast<unsigned>(out_results.size()));
+    set_status_message(buffer);
+    return true;
+}
+
+Status status()
+{
+    Status out{};
+    out.supported = is_supported();
+    if (!out.supported)
+    {
+        copy_bounded(out.message, sizeof(out.message), "Wi-Fi unsupported");
+        out.state = ConnectionState::Unsupported;
+        return out;
+    }
+
+    const Config& config = current_config();
+    out.enabled = config.enabled;
+    out.has_credentials = has_saved_credentials(config);
+    out.connected = s_runtime.connected;
+    out.scanning = s_runtime.scanning;
+    out.rssi = s_runtime.rssi;
+    copy_bounded(out.ssid,
+                 sizeof(out.ssid),
+                 s_runtime.connected ? s_runtime.ssid : config.ssid);
+    copy_bounded(out.ip, sizeof(out.ip), s_runtime.ip);
+
+    if (!config.enabled)
+    {
+        out.state = ConnectionState::Disabled;
+        copy_bounded(out.message, sizeof(out.message), "Wi-Fi disabled");
+        return out;
+    }
+
+    if (s_runtime.scanning)
+    {
+        out.state = ConnectionState::Scanning;
+        copy_bounded(out.message, sizeof(out.message), "Scanning...");
+        return out;
+    }
+
+    if (s_runtime.connecting)
+    {
+        out.state = ConnectionState::Connecting;
+        copy_bounded(out.message, sizeof(out.message), "Connecting...");
+        return out;
+    }
+
+    if (s_runtime.connected)
+    {
+        out.state = ConnectionState::Connected;
+        copy_bounded(out.message, sizeof(out.message), s_runtime.message);
+        return out;
+    }
+
+    out.state = disconnected_state(config.enabled, out.has_credentials);
+    if (out.has_credentials)
+    {
+        copy_bounded(out.message, sizeof(out.message), "Ready to connect");
+    }
+    else
+    {
+        copy_bounded(out.message, sizeof(out.message), "Set SSID and password");
+    }
+    return out;
+}
+
+} // namespace platform::ui::wifi
diff --git a/platform/esp/idf_common/src/platform_ui_device_runtime.cpp b/platform/esp/idf_common/src/platform_ui_device_runtime.cpp
index e7e4e70f..174569ec 100644
--- a/platform/esp/idf_common/src/platform_ui_device_runtime.cpp
+++ b/platform/esp/idf_common/src/platform_ui_device_runtime.cpp
@@ -5,6 +5,8 @@
 #include "boards/t_display_p4/board_profile.h"
 #include "boards/tab5/rtc_runtime.h"
 #include "boards/tab5/tab5_board.h"
+#include "esp_heap_caps.h"
+#include "esp_ota_ops.h"
 #include "esp_system.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
@@ -49,6 +51,23 @@ BatteryInfo battery_info()
     return info;
 }
 
+MemoryStats memory_stats()
+{
+    MemoryStats stats{};
+    stats.ram_total_bytes = heap_caps_get_total_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
+    stats.ram_free_bytes = heap_caps_get_free_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
+    stats.psram_total_bytes = heap_caps_get_total_size(MALLOC_CAP_SPIRAM);
+    stats.psram_free_bytes = heap_caps_get_free_size(MALLOC_CAP_SPIRAM);
+    stats.psram_available = stats.psram_total_bytes > 0;
+    return stats;
+}
+
+const char* firmware_version()
+{
+    const esp_app_desc_t* desc = esp_ota_get_app_description();
+    return (desc && desc->version[0] != '\0') ? desc->version : "unknown";
+}
+
 void handle_low_battery(const BatteryInfo& info)
 {
     (void)info;
diff --git a/platform/esp/idf_common/src/platform_ui_wifi_runtime.cpp b/platform/esp/idf_common/src/platform_ui_wifi_runtime.cpp
new file mode 100644
index 00000000..4d10859e
--- /dev/null
+++ b/platform/esp/idf_common/src/platform_ui_wifi_runtime.cpp
@@ -0,0 +1 @@
+#include "platform/esp/common/wifi_runtime_impl.h"
diff --git a/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshcore/meshcore_radio_adapter.h b/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshcore/meshcore_radio_adapter.h
index 0e866625..c35eabc4 100644
--- a/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshcore/meshcore_radio_adapter.h
+++ b/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshcore/meshcore_radio_adapter.h
@@ -33,7 +33,7 @@ class MeshCoreRadioAdapter final : public ::chat::IMeshAdapter, public ::chat::m
     void applyConfig(const ::chat::MeshConfig& config) override;
     void setUserInfo(const char* long_name, const char* short_name) override;
     void setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent) override;
-    void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled) override;
+    void setPrivacyConfig(uint8_t encrypt_mode) override;
     bool isReady() const override;
     ::chat::NodeId getNodeId() const override;
     ::chat::meshcore::IMeshCoreBleBackend* asMeshCoreBleBackend() override { return this; }
diff --git a/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshtastic/meshtastic_radio_adapter.h b/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshtastic/meshtastic_radio_adapter.h
index 8471e784..01e8c61a 100644
--- a/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshtastic/meshtastic_radio_adapter.h
+++ b/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/meshtastic/meshtastic_radio_adapter.h
@@ -60,7 +60,7 @@ class MeshtasticRadioAdapter final : public ::chat::IMeshAdapter
     void applyConfig(const ::chat::MeshConfig& config) override;
     void setUserInfo(const char* long_name, const char* short_name) override;
     void setNetworkLimits(bool duty_cycle_enabled, uint8_t util_percent) override;
-    void setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled) override;
+    void setPrivacyConfig(uint8_t encrypt_mode) override;
     bool isReady() const override;
     ::chat::NodeId getNodeId() const override;
     void setMqttProxySettings(const MqttProxySettings& settings);
@@ -258,7 +258,6 @@ class MeshtasticRadioAdapter final : public ::chat::IMeshAdapter
     size_t last_raw_packet_len_ = 0;
     bool has_pending_raw_packet_ = false;
     uint8_t encrypt_mode_ = 1;
-    bool pki_enabled_ = false;
     bool pki_ready_ = false;
     std::array<uint8_t, 32> pki_public_key_{};
     std::array<uint8_t, 32> pki_private_key_{};
diff --git a/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/store/internal_fs_store.h b/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/store/internal_fs_store.h
index 39000208..7dfffb49 100644
--- a/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/store/internal_fs_store.h
+++ b/platform/nrf52/arduino_common/include/platform/nrf52/arduino_common/chat/infra/store/internal_fs_store.h
@@ -26,6 +26,7 @@ class InternalFsStore final : public ::chat::IChatStore
     void clearConversation(const ::chat::ConversationId& conv) override;
     void clearAll() override;
     bool updateMessageStatus(::chat::MessageId msg_id, ::chat::MessageStatus status) override;
+    bool getMessage(::chat::MessageId msg_id, ::chat::ChatMessage* out) const override;
     void flush() override;
 
   private:
diff --git a/platform/nrf52/arduino_common/src/chat/infra/meshcore/meshcore_radio_adapter.cpp b/platform/nrf52/arduino_common/src/chat/infra/meshcore/meshcore_radio_adapter.cpp
index c973584c..e4301d72 100644
--- a/platform/nrf52/arduino_common/src/chat/infra/meshcore/meshcore_radio_adapter.cpp
+++ b/platform/nrf52/arduino_common/src/chat/infra/meshcore/meshcore_radio_adapter.cpp
@@ -232,10 +232,9 @@ void MeshCoreRadioAdapter::setNetworkLimits(bool duty_cycle_enabled, uint8_t uti
     (void)util_percent;
 }
 
-void MeshCoreRadioAdapter::setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+void MeshCoreRadioAdapter::setPrivacyConfig(uint8_t encrypt_mode)
 {
     (void)encrypt_mode;
-    (void)pki_enabled;
 }
 
 bool MeshCoreRadioAdapter::isReady() const
diff --git a/platform/nrf52/arduino_common/src/chat/infra/meshtastic/meshtastic_radio_adapter.cpp b/platform/nrf52/arduino_common/src/chat/infra/meshtastic/meshtastic_radio_adapter.cpp
index b100c231..92910a01 100644
--- a/platform/nrf52/arduino_common/src/chat/infra/meshtastic/meshtastic_radio_adapter.cpp
+++ b/platform/nrf52/arduino_common/src/chat/infra/meshtastic/meshtastic_radio_adapter.cpp
@@ -70,6 +70,13 @@ using ::chat::meshtastic::toHex;
 void logMeshtasticRx(const char* format, ...);
 uint32_t nowSeconds();
 
+bool shouldRequireDirectPki(uint8_t encrypt_mode, ::chat::NodeId dest_node, uint32_t portnum)
+{
+    return encrypt_mode != 0 &&
+           dest_node != kBroadcastNode &&
+           allowPkiForPortnum(portnum);
+}
+
 void logMeshtasticRx(const char* format, ...)
 {
     char buffer[192] = {};
@@ -513,7 +520,9 @@ bool MeshtasticRadioAdapter::sendTextWithId(::chat::ChannelId channel, const std
         out_channel = ::chat::ChannelId::PRIMARY;
     }
 
-    if (peer != 0 && pki_enabled_)
+    if (shouldRequireDirectPki(encrypt_mode_,
+                               (peer == 0) ? kBroadcastNode : peer,
+                               meshtastic_PortNum_TEXT_MESSAGE_APP))
     {
         const ::chat::MessageId packet_id = (forced_msg_id != 0) ? forced_msg_id : next_packet_id_;
         const bool ok = sendAppData(out_channel,
@@ -678,7 +687,7 @@ bool MeshtasticRadioAdapter::sendAppData(::chat::ChannelId channel, uint32_t por
     size_t wire_payload_len = data_pb_size;
     bool use_pki = false;
     bool track_ack = want_ack;
-    if (wire_dest != kBroadcastNode && pki_enabled_)
+    if (shouldRequireDirectPki(encrypt_mode_, wire_dest, portnum))
     {
         if (!pki_ready_ || !allowPkiForPortnum(portnum) || !hasPkiKey(wire_dest))
         {
@@ -821,14 +830,9 @@ void MeshtasticRadioAdapter::setNetworkLimits(bool duty_cycle_enabled, uint8_t u
     (void)util_percent;
 }
 
-void MeshtasticRadioAdapter::setPrivacyConfig(uint8_t encrypt_mode, bool pki_enabled)
+void MeshtasticRadioAdapter::setPrivacyConfig(uint8_t encrypt_mode)
 {
     encrypt_mode_ = encrypt_mode;
-    pki_enabled_ = pki_enabled;
-    if (encrypt_mode_ == 0)
-    {
-        pki_enabled_ = false;
-    }
     if (!pki_ready_)
     {
         pki_ready_ = initPkiKeys();
diff --git a/platform/nrf52/arduino_common/src/chat/infra/store/internal_fs_store.cpp b/platform/nrf52/arduino_common/src/chat/infra/store/internal_fs_store.cpp
index a2113408..9cca458a 100644
--- a/platform/nrf52/arduino_common/src/chat/infra/store/internal_fs_store.cpp
+++ b/platform/nrf52/arduino_common/src/chat/infra/store/internal_fs_store.cpp
@@ -188,6 +188,33 @@ bool InternalFsStore::updateMessageStatus(::chat::MessageId msg_id, ::chat::Mess
     return false;
 }
 
+bool InternalFsStore::getMessage(::chat::MessageId msg_id, ::chat::ChatMessage* out) const
+{
+    if (msg_id == 0)
+    {
+        return false;
+    }
+
+    for (const auto& pair : conversations_)
+    {
+        const auto& storage = pair.second;
+        for (const auto& entry : storage.messages)
+        {
+            if (entry.message.msg_id != msg_id)
+            {
+                continue;
+            }
+            if (out)
+            {
+                *out = entry.message;
+            }
+            return true;
+        }
+    }
+
+    return false;
+}
+
 bool InternalFsStore::ensureFs() const
 {
     return path_ && InternalFS.begin();
diff --git a/platform/nrf52/arduino_common/src/platform_ui_settings_store.cpp b/platform/nrf52/arduino_common/src/platform_ui_settings_store.cpp
index e124d6c9..bca5946d 100644
--- a/platform/nrf52/arduino_common/src/platform_ui_settings_store.cpp
+++ b/platform/nrf52/arduino_common/src/platform_ui_settings_store.cpp
@@ -27,6 +27,7 @@ enum class ValueType : uint8_t
     Bool = 2,
     Uint = 3,
     Blob = 4,
+    String = 5,
 };
 
 struct FileHeader
@@ -76,6 +77,12 @@ std::map<std::string, std::vector<uint8_t>>& blobStore()
     return store;
 }
 
+std::map<std::string, std::string>& stringStore()
+{
+    static std::map<std::string, std::string> store;
+    return store;
+}
+
 bool& loadedFlag()
 {
     static bool loaded = false;
@@ -88,6 +95,7 @@ void clearAllStores()
     boolStore().clear();
     uintStore().clear();
     blobStore().clear();
+    stringStore().clear();
 }
 
 template <typename T>
@@ -180,7 +188,7 @@ bool saveToFs()
     }
 
     const uint32_t record_count = static_cast<uint32_t>(
-        intStore().size() + boolStore().size() + uintStore().size() + blobStore().size());
+        intStore().size() + boolStore().size() + uintStore().size() + blobStore().size() + stringStore().size());
     uint32_t final_size = static_cast<uint32_t>(sizeof(FileHeader));
     FileHeader header{};
     header.record_count = record_count;
@@ -247,6 +255,24 @@ bool saveToFs()
         final_size += static_cast<uint32_t>(sizeof(RecordHeader) + entry.first.size() + entry.second.size());
     }
 
+    for (const auto& entry : stringStore())
+    {
+        if (!writeRecordHeader(file, ValueType::String, entry.first, static_cast<uint32_t>(entry.second.size())) ||
+            (!entry.second.empty() &&
+             !writeBytes(file,
+                         reinterpret_cast<const uint8_t*>(entry.second.data()),
+                         entry.second.size())))
+        {
+            file.close();
+            Serial.printf("%s string write failed key=%s len=%lu\n",
+                          kLogTag,
+                          entry.first.c_str(),
+                          static_cast<unsigned long>(entry.second.size()));
+            return false;
+        }
+        final_size += static_cast<uint32_t>(sizeof(RecordHeader) + entry.first.size() + entry.second.size());
+    }
+
     const bool trunc_ok = ::platform::nrf52::arduino_common::internal_fs::truncateAfterWrite(file, final_size);
     file.flush();
     file.close();
@@ -297,6 +323,7 @@ void ensureLoaded()
     std::map<std::string, bool> loaded_bools;
     std::map<std::string, uint32_t> loaded_uints;
     std::map<std::string, std::vector<uint8_t>> loaded_blobs;
+    std::map<std::string, std::string> loaded_strings;
 
     for (uint32_t i = 0; i < header.record_count; ++i)
     {
@@ -361,6 +388,18 @@ void ensureLoaded()
             loaded_blobs[key] = std::move(value);
             break;
         }
+        case ValueType::String:
+        {
+            std::string value(rec.value_len, '\0');
+            if (rec.value_len > 0 &&
+                !readBytes(file, reinterpret_cast<uint8_t*>(&value[0]), rec.value_len))
+            {
+                file.close();
+                return;
+            }
+            loaded_strings[key] = std::move(value);
+            break;
+        }
         default:
         {
             std::vector<uint8_t> skip(rec.value_len, 0);
@@ -379,6 +418,7 @@ void ensureLoaded()
     boolStore() = std::move(loaded_bools);
     uintStore() = std::move(loaded_uints);
     blobStore() = std::move(loaded_blobs);
+    stringStore() = std::move(loaded_strings);
 }
 
 } // namespace
@@ -419,6 +459,25 @@ void put_uint(const char* ns, const char* key, uint32_t value)
     (void)saveToFs();
 }
 
+bool put_string(const char* ns, const char* key, const char* value)
+{
+    if (!key || !value)
+    {
+        return false;
+    }
+    ensureLoaded();
+    const std::string scoped = makeScopedKey(ns, key);
+    if (value[0] == '\0')
+    {
+        stringStore().erase(scoped);
+    }
+    else
+    {
+        stringStore()[scoped] = value;
+    }
+    return saveToFs();
+}
+
 bool put_blob(const char* ns, const char* key, const void* data, std::size_t len)
 {
     if (!key || (!data && len != 0))
@@ -472,6 +531,23 @@ uint32_t get_uint(const char* ns, const char* key, uint32_t default_value)
     return it == uintStore().end() ? default_value : it->second;
 }
 
+bool get_string(const char* ns, const char* key, std::string& out)
+{
+    out.clear();
+    if (!key)
+    {
+        return false;
+    }
+    ensureLoaded();
+    const auto it = stringStore().find(makeScopedKey(ns, key));
+    if (it == stringStore().end())
+    {
+        return false;
+    }
+    out = it->second;
+    return true;
+}
+
 bool get_blob(const char* ns, const char* key, std::vector<uint8_t>& out)
 {
     out.clear();
@@ -507,6 +583,7 @@ void remove_keys(const char* ns, const char* const* keys, std::size_t key_count)
         boolStore().erase(scoped);
         uintStore().erase(scoped);
         blobStore().erase(scoped);
+        stringStore().erase(scoped);
     }
     (void)saveToFs();
 }
@@ -532,6 +609,10 @@ void clear_namespace(const char* ns)
     {
         it = (it->first.rfind(prefix, 0) == 0) ? blobStore().erase(it) : std::next(it);
     }
+    for (auto it = stringStore().begin(); it != stringStore().end();)
+    {
+        it = (it->first.rfind(prefix, 0) == 0) ? stringStore().erase(it) : std::next(it);
+    }
     (void)saveToFs();
 }
 
diff --git a/platform/nrf52/arduino_common/src/platform_ui_wifi_runtime.cpp b/platform/nrf52/arduino_common/src/platform_ui_wifi_runtime.cpp
new file mode 100644
index 00000000..7478a638
--- /dev/null
+++ b/platform/nrf52/arduino_common/src/platform_ui_wifi_runtime.cpp
@@ -0,0 +1,56 @@
+#include "platform/ui/wifi_runtime.h"
+
+#include <cstdio>
+
+namespace platform::ui::wifi
+{
+
+bool is_supported()
+{
+    return false;
+}
+
+bool load_config(Config& out)
+{
+    out = Config{};
+    return false;
+}
+
+bool save_config(const Config& config)
+{
+    (void)config;
+    return false;
+}
+
+bool apply_enabled(bool enabled)
+{
+    (void)enabled;
+    return false;
+}
+
+bool connect(const Config* override_config)
+{
+    (void)override_config;
+    return false;
+}
+
+void disconnect()
+{
+}
+
+bool scan(std::vector<ScanResult>& out_results)
+{
+    out_results.clear();
+    return false;
+}
+
+Status status()
+{
+    Status out{};
+    out.supported = false;
+    out.state = ConnectionState::Unsupported;
+    std::snprintf(out.message, sizeof(out.message), "%s", "Wi-Fi unsupported");
+    return out;
+}
+
+} // namespace platform::ui::wifi
diff --git a/scripts/build_pack_repository.py b/scripts/build_pack_repository.py
new file mode 100644
index 00000000..4ec695bb
--- /dev/null
+++ b/scripts/build_pack_repository.py
@@ -0,0 +1,407 @@
+from __future__ import annotations
+
+import argparse
+import hashlib
+import json
+import shutil
+import subprocess
+import sys
+import tempfile
+from datetime import datetime, timezone
+from pathlib import Path
+from zipfile import ZIP_DEFLATED, ZipFile, ZipInfo
+
+
+PACKAGE_SCHEMA_VERSION = 1
+ARCHIVE_LAYOUT = "trailmate-pack-v1"
+FIXED_ZIP_DT = (2026, 1, 1, 0, 0, 0)
+TOP_LEVEL_PACKAGE_FILES = ("package.ini", "DESCRIPTION.txt", "README.md")
+PAYLOAD_GROUPS = ("fonts", "locales", "ime")
+PACKAGE_EXCLUDE_NAMES = {".gitignore", "build.ini", "charset.txt"}
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(
+        description="Build installable locale-pack zip archives and a package catalog for GitHub Pages."
+    )
+    parser.add_argument("--pack-root", default="packs", help="Repository pack source root")
+    parser.add_argument("--site-root", default="site", help="Pages site root")
+    parser.add_argument("--node-exe", default="node", help="Node.js executable for font generation")
+    parser.add_argument(
+        "--npm-exe",
+        default=None,
+        help="Optional npm executable override for font generation",
+    )
+    parser.add_argument(
+        "--catalog-path",
+        default=None,
+        help="Optional explicit output path for the generated catalog JSON",
+    )
+    return parser.parse_args()
+
+
+def clear_directory_contents(path: Path) -> None:
+    path.mkdir(parents=True, exist_ok=True)
+    for child in path.iterdir():
+        if child.is_dir():
+            shutil.rmtree(child)
+        else:
+            child.unlink()
+
+
+def parse_key_value_file(path: Path) -> dict[str, str]:
+    data: dict[str, str] = {}
+    for raw_line in path.read_text(encoding="utf-8").splitlines():
+        line = raw_line.strip()
+        if not line or line.startswith("#") or line.startswith(";"):
+            continue
+        if "=" not in line:
+            continue
+        key, value = line.split("=", 1)
+        key = key.strip().lower()
+        value = value.strip()
+        if key:
+            data[key] = value
+    return data
+
+
+def split_csv(value: str | None) -> list[str]:
+    if not value:
+        return []
+    return [item.strip() for item in value.split(",") if item.strip()]
+
+
+def parse_int(value: str | None, default: int = 0) -> int:
+    if value is None or value == "":
+        return default
+    return int(value, 10)
+
+
+def parse_bool(value: str | None, default: bool = False) -> bool:
+    if value is None:
+        return default
+    normalized = value.strip().lower()
+    if normalized in {"1", "true", "yes", "on"}:
+        return True
+    if normalized in {"0", "false", "no", "off"}:
+        return False
+    return default
+
+
+def build_font_if_missing(
+    stage_font_dir: Path,
+    repo_root: Path,
+    node_exe: str,
+    npm_exe: str | None,
+) -> None:
+    build_path = stage_font_dir / "build.ini"
+    font_bin_path = stage_font_dir / "font.bin"
+    if font_bin_path.exists():
+        return
+    if not build_path.exists():
+        raise FileNotFoundError(f"Missing font.bin and build.ini for {stage_font_dir}")
+
+    build = parse_key_value_file(build_path)
+    font_source = build.get("font")
+    if not font_source:
+        raise ValueError(f"build.ini missing font=... in {build_path}")
+
+    charset_file = stage_font_dir / "charset.txt"
+    if not charset_file.exists():
+        raise FileNotFoundError(f"Missing charset.txt for generated font: {charset_file}")
+
+    generator = repo_root / "tools" / "generate_binfont_with_lv_font_conv.py"
+    if not generator.exists():
+        raise FileNotFoundError(f"Missing generator script: {generator}")
+
+    command = [
+        sys.executable,
+        str(generator),
+        "--font",
+        str((repo_root / font_source).resolve()),
+        "--charset-file",
+        str(charset_file.resolve()),
+        "--output",
+        str(font_bin_path.resolve()),
+        "--size",
+        str(parse_int(build.get("size"), 16)),
+        "--bpp",
+        str(parse_int(build.get("bpp"), 2)),
+        "--node-exe",
+        node_exe,
+    ]
+    if npm_exe:
+        command.extend(["--npm-exe", npm_exe])
+    if parse_bool(build.get("no_compress"), default=False):
+        command.append("--no-compress")
+    if parse_bool(build.get("no_prefilter"), default=False):
+        command.append("--no-prefilter")
+    if parse_bool(build.get("no_kerning"), default=False):
+        command.append("--no-kerning")
+
+    subprocess.run(command, check=True)
+
+
+def stage_bundle(
+    source_bundle_dir: Path,
+    repo_root: Path,
+    node_exe: str,
+    npm_exe: str | None,
+) -> Path:
+    temp_dir = Path(tempfile.mkdtemp(prefix=f"trailmate-pack-{source_bundle_dir.name}-"))
+    stage_bundle_dir = temp_dir / source_bundle_dir.name
+    shutil.copytree(
+        source_bundle_dir,
+        stage_bundle_dir,
+        ignore=shutil.ignore_patterns("__pycache__", "*.pyc"),
+    )
+
+    fonts_root = stage_bundle_dir / "fonts"
+    if fonts_root.is_dir():
+        for font_dir in sorted(path for path in fonts_root.iterdir() if path.is_dir()):
+            build_font_if_missing(font_dir, repo_root, node_exe, npm_exe)
+
+    return stage_bundle_dir
+
+
+def iter_archive_sources(stage_bundle_dir: Path) -> list[tuple[Path, str]]:
+    files: list[tuple[Path, str]] = []
+
+    for name in TOP_LEVEL_PACKAGE_FILES:
+        source = stage_bundle_dir / name
+        if source.is_file():
+            files.append((source, name))
+
+    for group in PAYLOAD_GROUPS:
+        group_dir = stage_bundle_dir / group
+        if not group_dir.is_dir():
+            continue
+        for source in sorted(path for path in group_dir.rglob("*") if path.is_file()):
+            if source.name in PACKAGE_EXCLUDE_NAMES:
+                continue
+            relative = source.relative_to(stage_bundle_dir).as_posix()
+            files.append((source, f"payload/{relative}"))
+
+    return files
+
+
+def write_deterministic_zip(files: list[tuple[Path, str]], destination: Path) -> None:
+    destination.parent.mkdir(parents=True, exist_ok=True)
+    with ZipFile(destination, "w") as archive:
+        for source, archive_name in sorted(files, key=lambda item: item[1]):
+            data = source.read_bytes()
+            info = ZipInfo(filename=archive_name, date_time=FIXED_ZIP_DT)
+            info.compress_type = ZIP_DEFLATED
+            info.external_attr = 0o100644 << 16
+            archive.writestr(info, data)
+
+
+def sha256_file(path: Path) -> str:
+    digest = hashlib.sha256()
+    with path.open("rb") as handle:
+        for chunk in iter(lambda: handle.read(1024 * 1024), b""):
+            digest.update(chunk)
+    return digest.hexdigest()
+
+
+def read_package_text(stage_bundle_dir: Path, relative_path: str | None) -> str:
+    if not relative_path:
+        return ""
+    path = stage_bundle_dir / relative_path
+    if not path.is_file():
+        raise FileNotFoundError(f"Missing package text file: {path}")
+    return path.read_text(encoding="utf-8").strip()
+
+
+def collect_font_records(stage_bundle_dir: Path) -> list[dict[str, object]]:
+    records: list[dict[str, object]] = []
+    fonts_root = stage_bundle_dir / "fonts"
+    if not fonts_root.is_dir():
+        return records
+
+    for manifest_path in sorted(fonts_root.glob("*/manifest.ini")):
+        manifest = parse_key_value_file(manifest_path)
+        records.append(
+            {
+                "id": manifest.get("id", manifest_path.parent.name),
+                "display_name": manifest.get("display_name", manifest_path.parent.name),
+                "usage": manifest.get("usage", "both"),
+                "estimated_ram_bytes": parse_int(manifest.get("estimated_ram_bytes"), 0),
+            }
+        )
+    return records
+
+
+def collect_locale_records(stage_bundle_dir: Path) -> list[dict[str, object]]:
+    records: list[dict[str, object]] = []
+    locales_root = stage_bundle_dir / "locales"
+    if not locales_root.is_dir():
+        return records
+
+    for manifest_path in sorted(locales_root.glob("*/manifest.ini")):
+        manifest = parse_key_value_file(manifest_path)
+        records.append(
+            {
+                "id": manifest.get("id", manifest_path.parent.name),
+                "display_name": manifest.get("display_name", manifest_path.parent.name),
+                "native_name": manifest.get("native_name", manifest.get("display_name", manifest_path.parent.name)),
+                "ui_font_pack_id": manifest.get("ui_font_pack", ""),
+                "content_font_pack_id": manifest.get(
+                    "content_font_pack", manifest.get("ui_font_pack", "")
+                ),
+                "ime_pack_id": manifest.get("ime_pack", ""),
+            }
+        )
+    return records
+
+
+def collect_ime_records(stage_bundle_dir: Path) -> list[dict[str, object]]:
+    records: list[dict[str, object]] = []
+    ime_root = stage_bundle_dir / "ime"
+    if not ime_root.is_dir():
+        return records
+
+    for manifest_path in sorted(ime_root.glob("*/manifest.ini")):
+        manifest = parse_key_value_file(manifest_path)
+        records.append(
+            {
+                "id": manifest.get("id", manifest_path.parent.name),
+                "display_name": manifest.get("display_name", manifest_path.parent.name),
+                "backend": manifest.get("backend", "none"),
+            }
+        )
+    return records
+
+
+def build_package_entry(
+    stage_bundle_dir: Path,
+    package_manifest: dict[str, str],
+    archive_relative_path: str,
+    archive_path: Path,
+) -> dict[str, object]:
+    fonts = collect_font_records(stage_bundle_dir)
+    locales = collect_locale_records(stage_bundle_dir)
+    ime = collect_ime_records(stage_bundle_dir)
+
+    description_text = read_package_text(stage_bundle_dir, package_manifest.get("description"))
+    readme_path = package_manifest.get("readme")
+    readme_relative_path = readme_path if readme_path and (stage_bundle_dir / readme_path).is_file() else ""
+
+    return {
+        "id": package_manifest["id"],
+        "package_type": package_manifest.get("package_type", "locale-bundle"),
+        "version": package_manifest["version"],
+        "display_name": package_manifest.get("display_name", package_manifest["id"]),
+        "summary": package_manifest.get("summary", ""),
+        "description": description_text,
+        "author": package_manifest.get("author", "Trail Mate"),
+        "homepage": package_manifest.get("homepage", ""),
+        "min_firmware_version": package_manifest.get("min_firmware_version", ""),
+        "supported_memory_profiles": split_csv(package_manifest.get("supported_memory_profiles")),
+        "tags": split_csv(package_manifest.get("tags")),
+        "provides": {
+            "locales": locales,
+            "fonts": fonts,
+            "ime": ime,
+        },
+        "runtime": {
+            "estimated_unique_font_ram_bytes": sum(
+                {record["id"]: int(record["estimated_ram_bytes"]) for record in fonts}.values()
+            ),
+            "locale_count": len(locales),
+            "font_count": len(fonts),
+            "ime_count": len(ime),
+        },
+        "archive": {
+            "layout": ARCHIVE_LAYOUT,
+            "path": archive_relative_path.replace("\\", "/"),
+            "size_bytes": archive_path.stat().st_size,
+            "sha256": sha256_file(archive_path),
+        },
+        "files": {
+            "package_manifest": "package.ini",
+            "description": package_manifest.get("description", ""),
+            "readme": readme_relative_path,
+        },
+    }
+
+
+def discover_source_bundles(pack_root: Path) -> list[Path]:
+    bundles: list[Path] = []
+    for candidate in sorted(path for path in pack_root.iterdir() if path.is_dir()):
+        if (candidate / "package.ini").is_file():
+            bundles.append(candidate)
+    return bundles
+
+
+def build_pack_repository(
+    pack_root: Path,
+    site_root: Path,
+    node_exe: str = "node",
+    npm_exe: str | None = None,
+    catalog_path: Path | None = None,
+) -> dict[str, object]:
+    pack_root = pack_root.resolve()
+    site_root = site_root.resolve()
+    repo_root = pack_root.parent.resolve()
+    assets_dir = site_root / "assets" / "packs"
+    clear_directory_contents(assets_dir)
+
+    entries: list[dict[str, object]] = []
+    temp_roots: list[Path] = []
+    try:
+        for bundle_dir in discover_source_bundles(pack_root):
+            package_manifest = parse_key_value_file(bundle_dir / "package.ini")
+            if package_manifest.get("kind") != "package":
+                continue
+            if "id" not in package_manifest or "version" not in package_manifest:
+                raise ValueError(f"package.ini missing id/version in {bundle_dir}")
+
+            stage_bundle_dir = stage_bundle(bundle_dir, repo_root, node_exe, npm_exe)
+            temp_roots.append(stage_bundle_dir.parent)
+
+            archive_name = f"{package_manifest['id']}-{package_manifest['version']}.zip"
+            archive_path = assets_dir / archive_name
+            write_deterministic_zip(iter_archive_sources(stage_bundle_dir), archive_path)
+
+            archive_relative_path = archive_path.relative_to(site_root).as_posix()
+            entries.append(
+                build_package_entry(
+                    stage_bundle_dir,
+                    package_manifest,
+                    archive_relative_path,
+                    archive_path,
+                )
+            )
+    finally:
+        for temp_root in temp_roots:
+            shutil.rmtree(temp_root, ignore_errors=True)
+
+    entries.sort(key=lambda entry: str(entry["display_name"]).lower())
+    payload = {
+        "schema_version": PACKAGE_SCHEMA_VERSION,
+        "archive_layout": ARCHIVE_LAYOUT,
+        "generated_at": datetime.now(timezone.utc).isoformat().replace("+00:00", "Z"),
+        "packages": entries,
+    }
+
+    output_path = catalog_path or (site_root / "data" / "packs.json")
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    output_path.write_text(json.dumps(payload, indent=2, ensure_ascii=False) + "\n", encoding="utf-8")
+    return payload
+
+
+def main() -> int:
+    args = parse_args()
+    build_pack_repository(
+        pack_root=Path(args.pack_root),
+        site_root=Path(args.site_root),
+        node_exe=args.node_exe,
+        npm_exe=args.npm_exe,
+        catalog_path=Path(args.catalog_path) if args.catalog_path else None,
+    )
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())
diff --git a/scripts/prepare_pages_site.py b/scripts/prepare_pages_site.py
index 30057101..8d056350 100644
--- a/scripts/prepare_pages_site.py
+++ b/scripts/prepare_pages_site.py
@@ -1,13 +1,16 @@
 from __future__ import annotations
 
 import argparse
+import http.client
 import json
 import os
 import shutil
+import time
 import urllib.error
 import urllib.request
 from pathlib import Path
 
+from build_pack_repository import build_pack_repository
 from webflash_targets import WEBFLASH_TARGETS
 
 SHOWCASE_IMAGES = (
@@ -58,10 +61,32 @@ def github_request(url: str) -> urllib.request.Request:
     return urllib.request.Request(url, headers=headers)
 
 
+def open_with_retries(
+    request: urllib.request.Request,
+    *,
+    attempts: int = 3,
+    timeout: int = 30,
+):
+    last_error: Exception | None = None
+    for attempt in range(1, attempts + 1):
+        try:
+            return urllib.request.urlopen(request, timeout=timeout)
+        except urllib.error.HTTPError:
+            raise
+        except (urllib.error.URLError, TimeoutError, http.client.RemoteDisconnected) as exc:
+            last_error = exc
+            if attempt >= attempts:
+                raise
+            time.sleep(attempt)
+    if last_error is not None:
+        raise last_error
+    raise RuntimeError("open_with_retries reached an unexpected empty state")
+
+
 def fetch_latest_release(repo: str) -> dict | None:
     url = f"https://api.github.com/repos/{repo}/releases?per_page=10"
     try:
-        with urllib.request.urlopen(github_request(url)) as response:
+        with open_with_retries(github_request(url)) as response:
             releases = json.load(response)
     except urllib.error.HTTPError as exc:
         if exc.code == 404:
@@ -75,7 +100,7 @@ def fetch_latest_release(repo: str) -> dict | None:
 
 
 def download(url: str, destination: Path) -> None:
-    with urllib.request.urlopen(github_request(url)) as response:
+    with open_with_retries(github_request(url)) as response:
         destination.write_bytes(response.read())
 
 
@@ -134,6 +159,7 @@ def prepare_site(site_root: Path, release: dict | None) -> None:
     assets_dir.mkdir(parents=True, exist_ok=True)
     data_dir.mkdir(parents=True, exist_ok=True)
     copy_showcase_images(site_root)
+    build_pack_repository(pack_root=Path("packs"), site_root=site_root)
 
     if release is None:
         write_json(data_dir / "latest-release.json", build_unavailable_metadata())
diff --git a/site/data/latest-release.json b/site/data/latest-release.json
index 544b7fd7..e201cb24 100644
--- a/site/data/latest-release.json
+++ b/site/data/latest-release.json
@@ -1,19 +1,19 @@
 {
   "available": true,
-  "tag_name": "v0.1.16-alpha",
-  "release_url": "https://github.com/vicliu624/trail-mate/releases/tag/v0.1.16-alpha",
-  "published_at": "2026-04-17T06:20:17Z",
+  "tag_name": "v0.1.18-alpha",
+  "release_url": "https://github.com/vicliu624/trail-mate/releases/tag/v0.1.18-alpha",
+  "published_at": "2026-04-20T08:07:40Z",
   "targets": {
     "tlora-pager-sx1262": {
-      "available": false,
+      "available": true,
       "manifest_path": "manifests/tlora-pager-sx1262.json"
     },
     "tdeck": {
-      "available": false,
+      "available": true,
       "manifest_path": "manifests/tdeck.json"
     },
     "lilygo-twatch-s3": {
-      "available": false,
+      "available": true,
       "manifest_path": "manifests/lilygo-twatch-s3.json"
     }
   }
diff --git a/site/data/packs.json b/site/data/packs.json
new file mode 100644
index 00000000..216beadc
--- /dev/null
+++ b/site/data/packs.json
@@ -0,0 +1,356 @@
+{
+  "schema_version": 1,
+  "archive_layout": "trailmate-pack-v1",
+  "generated_at": "2026-04-20T16:09:03.769450Z",
+  "packages": [
+    {
+      "id": "europe-latin-ext",
+      "package_type": "locale-bundle",
+      "version": "1.0.0",
+      "display_name": "European Latin Extended",
+      "summary": "Shared Latin-Extended font coverage plus German, Spanish, French, Italian, Dutch, Polish, and Portuguese locale packs.",
+      "description": "European Latin Extended adds a shared external font pack for common accented Latin text\nand installs locale packs for German, Spanish, French, Italian, Dutch, Polish, and\nPortuguese (Portugal).\n\nThis bundle is designed to stay lightweight while still rendering mixed-language contact\nnames, chat content, and localized UI labels cleanly across European languages.",
+      "author": "Trail Mate",
+      "homepage": "https://vicliu624.github.io/trail-mate/",
+      "min_firmware_version": "0.1.18-alpha",
+      "supported_memory_profiles": [
+        "constrained",
+        "standard",
+        "extended"
+      ],
+      "tags": [
+        "language",
+        "latin",
+        "europe"
+      ],
+      "provides": {
+        "locales": [
+          {
+            "id": "de",
+            "display_name": "German",
+            "native_name": "Deutsch",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          },
+          {
+            "id": "es",
+            "display_name": "Spanish",
+            "native_name": "Español",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          },
+          {
+            "id": "fr",
+            "display_name": "French",
+            "native_name": "Français",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          },
+          {
+            "id": "it",
+            "display_name": "Italian",
+            "native_name": "Italiano",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          },
+          {
+            "id": "nl",
+            "display_name": "Dutch",
+            "native_name": "Nederlands",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          },
+          {
+            "id": "pl",
+            "display_name": "Polish",
+            "native_name": "Polski",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          },
+          {
+            "id": "pt-PT",
+            "display_name": "Portuguese (Portugal)",
+            "native_name": "Português (Portugal)",
+            "ui_font_pack_id": "latin-ext-eu",
+            "content_font_pack_id": "latin-ext-eu",
+            "ime_pack_id": ""
+          }
+        ],
+        "fonts": [
+          {
+            "id": "latin-ext-eu",
+            "display_name": "Latin Extended EU",
+            "usage": "both",
+            "estimated_ram_bytes": 941
+          }
+        ],
+        "ime": []
+      },
+      "runtime": {
+        "estimated_unique_font_ram_bytes": 941,
+        "locale_count": 7,
+        "font_count": 1,
+        "ime_count": 0
+      },
+      "archive": {
+        "layout": "trailmate-pack-v1",
+        "path": "assets/packs/europe-latin-ext-1.0.0.zip",
+        "size_bytes": 12197,
+        "sha256": "66aa3e25f3666bb32f638f0eb61a6a130b0f7b74409db0a904fc8bbe05ee7ad4"
+      },
+      "files": {
+        "package_manifest": "package.ini",
+        "description": "DESCRIPTION.txt",
+        "readme": "README.md"
+      }
+    },
+    {
+      "id": "ja",
+      "package_type": "locale-bundle",
+      "version": "1.0.0",
+      "display_name": "Japanese",
+      "summary": "Japanese locale bundle with external CJK font coverage for UI text and mixed-language content.",
+      "description": "Japanese installs the ja locale together with the ja-cjk external font pack so menu text,\nlabels, and received Japanese content can render without inflating the firmware image.\n\nThis bundle is currently display-only. It does not add a Japanese IME yet, but it keeps\nJapanese coverage available as an installable package on SD storage.",
+      "author": "Trail Mate",
+      "homepage": "https://vicliu624.github.io/trail-mate/",
+      "min_firmware_version": "0.1.18-alpha",
+      "supported_memory_profiles": [
+        "constrained",
+        "standard",
+        "extended"
+      ],
+      "tags": [
+        "language",
+        "cjk",
+        "japanese"
+      ],
+      "provides": {
+        "locales": [
+          {
+            "id": "ja",
+            "display_name": "Japanese",
+            "native_name": "日本語",
+            "ui_font_pack_id": "ja-cjk",
+            "content_font_pack_id": "ja-cjk",
+            "ime_pack_id": ""
+          }
+        ],
+        "fonts": [
+          {
+            "id": "ja-cjk",
+            "display_name": "Japanese CJK",
+            "usage": "both",
+            "estimated_ram_bytes": 10707
+          }
+        ],
+        "ime": []
+      },
+      "runtime": {
+        "estimated_unique_font_ram_bytes": 10707,
+        "locale_count": 1,
+        "font_count": 1,
+        "ime_count": 0
+      },
+      "archive": {
+        "layout": "trailmate-pack-v1",
+        "path": "assets/packs/ja-1.0.0.zip",
+        "size_bytes": 11239,
+        "sha256": "21d00d81dac31d334411d85fafb5483547a16a479b93fc3936682be16138aa45"
+      },
+      "files": {
+        "package_manifest": "package.ini",
+        "description": "DESCRIPTION.txt",
+        "readme": "README.md"
+      }
+    },
+    {
+      "id": "ko",
+      "package_type": "locale-bundle",
+      "version": "1.0.0",
+      "display_name": "Korean",
+      "summary": "Korean locale bundle with external CJK font coverage for UI text and mixed-language content.",
+      "description": "Korean installs the ko locale together with the ko-cjk external font pack so interface\nlabels and Korean content can render correctly without carrying the glyph set in firmware.\n\nThis bundle is currently display-only. It does not add a Korean IME yet, but it keeps\nKorean support available as an installable SD package.",
+      "author": "Trail Mate",
+      "homepage": "https://vicliu624.github.io/trail-mate/",
+      "min_firmware_version": "0.1.18-alpha",
+      "supported_memory_profiles": [
+        "constrained",
+        "standard",
+        "extended"
+      ],
+      "tags": [
+        "language",
+        "cjk",
+        "korean"
+      ],
+      "provides": {
+        "locales": [
+          {
+            "id": "ko",
+            "display_name": "Korean",
+            "native_name": "한국어",
+            "ui_font_pack_id": "ko-cjk",
+            "content_font_pack_id": "ko-cjk",
+            "ime_pack_id": ""
+          }
+        ],
+        "fonts": [
+          {
+            "id": "ko-cjk",
+            "display_name": "Korean CJK",
+            "usage": "both",
+            "estimated_ram_bytes": 8143
+          }
+        ],
+        "ime": []
+      },
+      "runtime": {
+        "estimated_unique_font_ram_bytes": 8143,
+        "locale_count": 1,
+        "font_count": 1,
+        "ime_count": 0
+      },
+      "archive": {
+        "layout": "trailmate-pack-v1",
+        "path": "assets/packs/ko-1.0.0.zip",
+        "size_bytes": 8461,
+        "sha256": "02bde352d3d071e4e0bbdeea7b546f784e5318a579e8a597fa5e47bb817962f2"
+      },
+      "files": {
+        "package_manifest": "package.ini",
+        "description": "DESCRIPTION.txt",
+        "readme": "README.md"
+      }
+    },
+    {
+      "id": "zh-Hans",
+      "package_type": "locale-bundle",
+      "version": "1.0.0",
+      "display_name": "Simplified Chinese",
+      "summary": "Full Simplified Chinese locale bundle with external CJK font coverage and the built-in Pinyin IME backend.",
+      "description": "Simplified Chinese installs the zh-Hans locale, the zh-hans-cjk external CJK font pack,\nand the zh-hans-pinyin IME registration used by the built-in Pinyin input backend.\n\nUse this bundle when you want a Chinese interface, Chinese text entry, or reliable\nrendering of Chinese names and chat content while another locale remains active.",
+      "author": "Trail Mate",
+      "homepage": "https://vicliu624.github.io/trail-mate/",
+      "min_firmware_version": "0.1.18-alpha",
+      "supported_memory_profiles": [
+        "standard",
+        "extended"
+      ],
+      "tags": [
+        "language",
+        "cjk",
+        "chinese",
+        "ime"
+      ],
+      "provides": {
+        "locales": [
+          {
+            "id": "zh-Hans",
+            "display_name": "Simplified Chinese",
+            "native_name": "简体中文",
+            "ui_font_pack_id": "zh-hans-cjk",
+            "content_font_pack_id": "zh-hans-cjk",
+            "ime_pack_id": "zh-hans-pinyin"
+          }
+        ],
+        "fonts": [
+          {
+            "id": "zh-hans-cjk",
+            "display_name": "Simplified Chinese CJK",
+            "usage": "both",
+            "estimated_ram_bytes": 476075
+          }
+        ],
+        "ime": [
+          {
+            "id": "zh-hans-pinyin",
+            "display_name": "Pinyin",
+            "backend": "builtin-pinyin"
+          }
+        ]
+      },
+      "runtime": {
+        "estimated_unique_font_ram_bytes": 476075,
+        "locale_count": 1,
+        "font_count": 1,
+        "ime_count": 1
+      },
+      "archive": {
+        "layout": "trailmate-pack-v1",
+        "path": "assets/packs/zh-Hans-1.0.0.zip",
+        "size_bytes": 328766,
+        "sha256": "a7d5623755d962820c8849f7c48aa4c1bb741d30f14985dcae932922f76eee2a"
+      },
+      "files": {
+        "package_manifest": "package.ini",
+        "description": "DESCRIPTION.txt",
+        "readme": "README.md"
+      }
+    },
+    {
+      "id": "zh-Hant",
+      "package_type": "locale-bundle",
+      "version": "1.0.0",
+      "display_name": "Traditional Chinese",
+      "summary": "Traditional Chinese locale bundle with external CJK font coverage for UI and mixed-script content rendering.",
+      "description": "Traditional Chinese installs the zh-Hant locale together with the zh-hant-cjk external\nfont pack so the UI and mixed-language content can render Traditional Chinese correctly.\n\nThis bundle is display-focused today. It does not add a dedicated Traditional Chinese IME\nyet, but it keeps rendering support fully external to the firmware image.",
+      "author": "Trail Mate",
+      "homepage": "https://vicliu624.github.io/trail-mate/",
+      "min_firmware_version": "0.1.18-alpha",
+      "supported_memory_profiles": [
+        "constrained",
+        "standard",
+        "extended"
+      ],
+      "tags": [
+        "language",
+        "cjk",
+        "chinese"
+      ],
+      "provides": {
+        "locales": [
+          {
+            "id": "zh-Hant",
+            "display_name": "Traditional Chinese",
+            "native_name": "繁體中文",
+            "ui_font_pack_id": "zh-hant-cjk",
+            "content_font_pack_id": "zh-hant-cjk",
+            "ime_pack_id": ""
+          }
+        ],
+        "fonts": [
+          {
+            "id": "zh-hant-cjk",
+            "display_name": "Traditional Chinese CJK",
+            "usage": "both",
+            "estimated_ram_bytes": 10232
+          }
+        ],
+        "ime": []
+      },
+      "runtime": {
+        "estimated_unique_font_ram_bytes": 10232,
+        "locale_count": 1,
+        "font_count": 1,
+        "ime_count": 0
+      },
+      "archive": {
+        "layout": "trailmate-pack-v1",
+        "path": "assets/packs/zh-Hant-1.0.0.zip",
+        "size_bytes": 11401,
+        "sha256": "b1fda6665d46a115f9ed5a63c7d54dea0f4c0c27b157770a89ac3bfdf86d2227"
+      },
+      "files": {
+        "package_manifest": "package.ini",
+        "description": "DESCRIPTION.txt",
+        "readme": "README.md"
+      }
+    }
+  ]
+}
diff --git a/site/index.html b/site/index.html
index 1debb763..0fcad00e 100644
--- a/site/index.html
+++ b/site/index.html
@@ -37,6 +37,7 @@
         </a>
         <nav class="nav">
           <a href="#overview">Overview</a>
+          <a href="#languages">Languages</a>
           <a href="#webflasher">Web Flasher</a>
           <a href="https://github.com/vicliu624/trail-mate">GitHub</a>
           <a href="https://github.com/vicliu624/trail-mate/blob/main/README.md">Docs</a>
@@ -51,8 +52,9 @@
             <h1>Trail Mate turns ESP32 handhelds into field-ready offline tools.</h1>
             <p class="lede">
               A low-power firmware stack for outdoor navigation, GNSS diagnostics,
-              LoRa chat, team coordination, and protocol interoperability on
-              compact devices you can actually carry into the field.
+              LoRa chat, installable multilingual UI support, team coordination,
+              and protocol interoperability on compact devices you can actually
+              carry into the field.
             </p>
             <div class="hero-actions">
               <a class="button button-primary" href="#webflasher">Open Web Flasher</a>
@@ -85,18 +87,75 @@
           <p class="overview-copy">
             Trail Mate is not a single-page radio demo. It is a compact offline field stack:
             navigation, direct LoRa messaging, team coordination, RF diagnostics, and utility
-            tooling shaped for embedded hardware with tight power and UI constraints.
+            tooling shaped for embedded hardware with tight power and UI constraints, now
+            with installable language packs that keep broader localization practical on
+            small devices.
           </p>
           <div class="overview-tags">
             <span>Offline Maps</span>
             <span>GNSS Diagnostics</span>
             <span>Mesh Chat</span>
             <span>Team Mode</span>
+            <span>Language Packs</span>
             <span>Sub-GHz Scan</span>
             <span>PC Link</span>
           </div>
         </section>
 
+        <section class="language-section" id="languages">
+          <div class="section-heading">
+            <div>
+              <p class="eyebrow">Localization</p>
+              <h2>Multilingual support stays installable, so devices only carry the language resources they actually need.</h2>
+            </div>
+            <p class="section-note">
+              English remains built in for safe defaults. Additional locale, font, and IME
+              resources are published as installable bundles, downloaded through the Extensions
+              app over Wi-Fi, and unpacked onto SD storage instead of being forced into every
+              firmware image.
+            </p>
+          </div>
+
+          <div class="language-highlights">
+            <article class="language-highlight">
+              <p class="feature-kicker">Built-In Default</p>
+              <h3>English is always available.</h3>
+              <p>
+                The device can boot, recover, and stay usable even when no external language
+                packs are installed on the SD card.
+              </p>
+            </article>
+
+            <article class="language-highlight">
+              <p class="feature-kicker">Pack Catalog</p>
+              <h3><span data-pack-count>0</span> bundles covering <span data-locale-count>0</span> installable locales.</h3>
+              <p>
+                Locale, font, and IME resources are shipped as packages so firmware builds
+                can stay lean while the installed language surface grows over time.
+              </p>
+            </article>
+
+            <article class="language-highlight">
+              <p class="feature-kicker">Mixed-Script UI</p>
+              <h3>Localized chrome and multilingual content can coexist.</h3>
+              <p>
+                External font coverage lets menus, contact names, and chat content stay
+                readable across scripts without recompiling the whole firmware.
+              </p>
+            </article>
+          </div>
+
+          <div class="language-pack-grid" data-pack-grid>
+            <article class="language-pack-card language-pack-empty">
+              <p class="feature-kicker">Catalog</p>
+              <h3>Loading package catalog...</h3>
+              <p class="language-pack-summary">
+                Published locale bundles from the current Pages build will appear here.
+              </p>
+            </article>
+          </div>
+        </section>
+
         <section class="story-stack" aria-label="Feature walkthrough">
           <article class="story-section">
             <div class="story-copy">
diff --git a/site/main.js b/site/main.js
index 0e5fe307..191dd269 100644
--- a/site/main.js
+++ b/site/main.js
@@ -1,6 +1,9 @@
 const releaseVersionEls = document.querySelectorAll("[data-release-version]");
 const releaseLinkEls = document.querySelectorAll("[data-release-link]");
 const boardCards = document.querySelectorAll("[data-board-id]");
+const packGrid = document.querySelector("[data-pack-grid]");
+const packCountEls = document.querySelectorAll("[data-pack-count]");
+const localeCountEls = document.querySelectorAll("[data-locale-count]");
 
 function setReleaseVersion(text) {
   releaseVersionEls.forEach((element) => {
@@ -14,6 +17,27 @@ function setReleaseLinks(url) {
   });
 }
 
+function setStat(elements, value) {
+  elements.forEach((element) => {
+    element.textContent = String(value);
+  });
+}
+
+function createElement(tagName, className, text) {
+  const element = document.createElement(tagName);
+  if (className) {
+    element.className = className;
+  }
+  if (typeof text === "string") {
+    element.textContent = text;
+  }
+  return element;
+}
+
+function createPill(text) {
+  return createElement("span", "language-pill", text);
+}
+
 function createInstallButton(manifestPath) {
   const wrapper = document.createElement("div");
   wrapper.className = "install-button-wrap";
@@ -54,6 +78,51 @@ function renderBoardInstall(card, releaseData) {
   installSlot.append(fallback);
 }
 
+function createPackCard(pack) {
+  const locales = pack.provides?.locales ?? [];
+  const runtime = pack.runtime ?? {};
+  const fontCount = runtime.font_count ?? (pack.provides?.fonts?.length ?? 0);
+  const imeCount = runtime.ime_count ?? (pack.provides?.ime?.length ?? 0);
+
+  const card = createElement("article", "language-pack-card");
+  card.append(createElement("p", "feature-kicker", "Locale Bundle"));
+  card.append(createElement("h3", "", pack.display_name || pack.id || "Unnamed package"));
+  card.append(createElement("p", "language-pack-summary", pack.summary || "No summary available."));
+
+  const meta = createElement("div", "language-pack-meta");
+  meta.append(createPill(`${locales.length} locale${locales.length === 1 ? "" : "s"}`));
+  meta.append(createPill(`${fontCount} font pack${fontCount === 1 ? "" : "s"}`));
+  meta.append(createPill(`${imeCount} IME${imeCount === 1 ? "" : "s"}`));
+  card.append(meta);
+
+  if (locales.length > 0) {
+    const localeRow = createElement("div", "language-pack-locales");
+    locales.slice(0, 7).forEach((locale) => {
+      localeRow.append(createPill(locale.display_name || locale.id || "Locale"));
+    });
+    if (locales.length > 7) {
+      localeRow.append(createPill(`+${locales.length - 7} more`));
+    }
+    card.append(localeRow);
+  }
+
+  if (Array.isArray(pack.supported_memory_profiles) && pack.supported_memory_profiles.length > 0) {
+    const memoryRow = createElement("div", "language-pack-profiles");
+    pack.supported_memory_profiles.forEach((profile) => {
+      memoryRow.append(createPill(profile));
+    });
+    card.append(memoryRow);
+  }
+
+  if (pack.archive?.path) {
+    const link = createElement("a", "release-link", "Download package");
+    link.href = `./${pack.archive.path}`;
+    card.append(link);
+  }
+
+  return card;
+}
+
 async function loadReleaseData() {
   try {
     const response = await fetch("./data/latest-release.json", { cache: "no-store" });
@@ -85,4 +154,56 @@ async function loadReleaseData() {
   }
 }
 
+async function loadPackCatalog() {
+  if (!packGrid) {
+    return;
+  }
+
+  try {
+    const response = await fetch("./data/packs.json", { cache: "no-store" });
+    if (!response.ok) {
+      throw new Error(`Unexpected status ${response.status}`);
+    }
+
+    const packData = await response.json();
+    const packs = (packData.packages ?? []).filter((pack) => pack.package_type === "locale-bundle");
+    const totalLocales = packs.reduce((sum, pack) => {
+      const runtimeLocales = pack.runtime?.locale_count;
+      if (typeof runtimeLocales === "number") {
+        return sum + runtimeLocales;
+      }
+      return sum + (pack.provides?.locales?.length ?? 0);
+    }, 0);
+
+    setStat(packCountEls, packs.length);
+    setStat(localeCountEls, totalLocales);
+
+    packGrid.replaceChildren();
+
+    if (packs.length === 0) {
+      const emptyCard = createElement("article", "language-pack-card language-pack-empty");
+      emptyCard.append(createElement("p", "feature-kicker", "Catalog"));
+      emptyCard.append(createElement("h3", "", "No published language bundles yet."));
+      emptyCard.append(createElement("p", "language-pack-summary", "Pages will show locale bundles here after the package catalog is generated."));
+      packGrid.append(emptyCard);
+      return;
+    }
+
+    packs.forEach((pack) => {
+      packGrid.append(createPackCard(pack));
+    });
+  } catch (error) {
+    setStat(packCountEls, 0);
+    setStat(localeCountEls, 0);
+    packGrid.replaceChildren();
+
+    const fallback = createElement("article", "language-pack-card language-pack-empty");
+    fallback.append(createElement("p", "feature-kicker", "Catalog"));
+    fallback.append(createElement("h3", "", "Language catalog unavailable"));
+    fallback.append(createElement("p", "language-pack-summary", "The homepage could not load the published language-pack metadata right now."));
+    packGrid.append(fallback);
+  }
+}
+
 loadReleaseData();
+loadPackCatalog();
diff --git a/site/styles.css b/site/styles.css
index 1b85894f..c527f251 100644
--- a/site/styles.css
+++ b/site/styles.css
@@ -329,6 +329,83 @@ dd {
   margin-top: 24px;
 }
 
+.language-section {
+  margin-top: 28px;
+  padding: 32px;
+  border-radius: 36px;
+  background:
+    radial-gradient(circle at top left, rgba(45, 111, 182, 0.07), transparent 28%),
+    linear-gradient(145deg, rgba(235, 163, 65, 0.18), rgba(250, 240, 216, 0.98)),
+    rgba(250, 240, 216, 0.98);
+  border: 1px solid var(--line);
+  box-shadow: 0 24px 64px rgba(107, 74, 30, 0.12);
+}
+
+.language-highlights {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 14px;
+  margin-top: 24px;
+}
+
+.language-highlight,
+.language-pack-card {
+  padding: 22px;
+  border-radius: var(--radius-lg);
+  background:
+    linear-gradient(180deg, rgba(235, 163, 65, 0.12), rgba(250, 240, 216, 0.94)),
+    rgba(250, 240, 216, 0.96);
+  border: 1px solid var(--line);
+  box-shadow: 0 18px 40px rgba(107, 74, 30, 0.1);
+}
+
+.language-highlight h3,
+.language-pack-card h3 {
+  font-size: 1.35rem;
+  line-height: 1.12;
+  letter-spacing: -0.03em;
+}
+
+.language-highlight p:last-child,
+.language-pack-summary {
+  margin-top: 10px;
+  color: var(--muted);
+  line-height: 1.7;
+}
+
+.language-pack-grid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 18px;
+  margin-top: 18px;
+}
+
+.language-pack-meta,
+.language-pack-locales,
+.language-pack-profiles {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-top: 14px;
+}
+
+.language-pill {
+  display: inline-flex;
+  align-items: center;
+  min-height: 32px;
+  padding: 0 12px;
+  border-radius: 999px;
+  background: rgba(235, 163, 65, 0.12);
+  border: 1px solid var(--line);
+  color: var(--amber-dark);
+  font-family: "IBM Plex Mono", "Consolas", monospace;
+  font-size: 0.77rem;
+}
+
+.language-pack-empty {
+  grid-column: 1 / -1;
+}
+
 .story-section {
   display: grid;
   grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
@@ -533,6 +610,8 @@ dd {
 @media (max-width: 960px) {
   .hero,
   .overview-ribbon,
+  .language-highlights,
+  .language-pack-grid,
   .story-section,
   .story-section-alt,
   .install-grid,
@@ -587,6 +666,7 @@ dd {
   .hero-copy,
   .hero-visual,
   .overview-ribbon,
+  .language-section,
   .story-section,
   .install-section,
   .board-card,
diff --git a/tools/build_locale_pack_charset.py b/tools/build_locale_pack_charset.py
new file mode 100644
index 00000000..1130b08c
--- /dev/null
+++ b/tools/build_locale_pack_charset.py
@@ -0,0 +1,135 @@
+#!/usr/bin/env python3
+
+from __future__ import annotations
+
+import argparse
+from pathlib import Path
+
+
+def resolve_font_pack_dir(pack_root: Path, font_pack_id: str | None) -> Path:
+    fonts_root = pack_root / "fonts"
+    if font_pack_id:
+        font_pack_dir = fonts_root / font_pack_id
+        if not font_pack_dir.is_dir():
+            raise FileNotFoundError(f"font pack directory not found: {font_pack_dir}")
+        return font_pack_dir
+
+    candidates = sorted(path for path in fonts_root.iterdir() if path.is_dir()) if fonts_root.is_dir() else []
+    if len(candidates) != 1:
+        raise RuntimeError(
+            "unable to infer font pack directory; pass --font-pack-id or keep exactly one directory under <pack-root>/fonts"
+        )
+    return candidates[0]
+
+
+def iter_manifest_texts(pack_root: Path):
+    for manifest in sorted(pack_root.rglob("manifest.ini")):
+        for raw_line in manifest.read_text(encoding="utf-8").splitlines():
+            line = raw_line.strip()
+            if not line or line.startswith("#") or line.startswith(";") or "=" not in line:
+                continue
+            key, value = line.split("=", 1)
+            key = key.strip().lower()
+            value = value.strip()
+            if key in {"display_name", "native_name"} and value:
+                yield value
+
+
+def iter_locale_texts(pack_root: Path):
+    for strings_file in sorted(pack_root.rglob("strings.tsv")):
+        for raw_line in strings_file.read_text(encoding="utf-8").splitlines():
+            line = raw_line.rstrip("\r")
+            if not line or line.startswith("#") or "\t" not in line:
+                continue
+            _, localized = line.split("\t", 1)
+            if localized:
+                yield localized
+
+
+def iter_extra_texts(extra_paths: list[Path]):
+    for path in extra_paths:
+        if not path.exists():
+            raise FileNotFoundError(f"missing extra chars file: {path}")
+        yield path.read_text(encoding="utf-8")
+
+
+def collect_charset(pack_root: Path, extra_paths: list[Path]) -> list[str]:
+    chars: set[str] = set()
+    for text in list(iter_manifest_texts(pack_root)) + list(iter_locale_texts(pack_root)) + list(iter_extra_texts(extra_paths)):
+        for ch in text:
+            if ch.isspace() or ord(ch) < 0x80:
+                continue
+            chars.add(ch)
+    return sorted(chars, key=ord)
+
+
+def write_charset(path: Path, chars: list[str]) -> None:
+    path.parent.mkdir(parents=True, exist_ok=True)
+    wrapped = ["".join(chars[index : index + 64]) for index in range(0, len(chars), 64)]
+    path.write_text("\n".join(wrapped) + ("\n" if wrapped else ""), encoding="utf-8")
+
+
+def write_ranges(path: Path, chars: list[str]) -> None:
+    ranges: list[str] = []
+    if chars:
+        codes = [ord(ch) for ch in chars]
+        start = prev = codes[0]
+        for code in codes[1:]:
+            if code == prev + 1:
+                prev = code
+                continue
+            ranges.append(f"0x{start:X}" if start == prev else f"0x{start:X}-0x{prev:X}")
+            start = prev = code
+        ranges.append(f"0x{start:X}" if start == prev else f"0x{start:X}-0x{prev:X}")
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(",".join(ranges) + ("\n" if ranges else ""), encoding="utf-8")
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description="Build charset files for a locale pack bundle.")
+    parser.add_argument("--pack-root", type=Path, required=True, help="Pack bundle root, for example packs/zh-Hans")
+    parser.add_argument(
+        "--font-pack-id",
+        default=None,
+        help="Font pack directory name under <pack-root>/fonts. If omitted, the tool infers the only font directory.",
+    )
+    parser.add_argument(
+        "--extra-chars-file",
+        action="append",
+        default=[],
+        help="UTF-8 text file with additional glyphs to include. May be passed multiple times.",
+    )
+    parser.add_argument(
+        "--charset-out",
+        type=Path,
+        default=None,
+        help="Override charset.txt output path. Defaults to <pack-root>/fonts/<font-pack-id>/charset.txt",
+    )
+    parser.add_argument(
+        "--ranges-out",
+        type=Path,
+        default=None,
+        help="Override ranges.txt output path. Defaults to <pack-root>/fonts/<font-pack-id>/ranges.txt",
+    )
+    args = parser.parse_args()
+
+    pack_root = args.pack_root.resolve()
+    extra_paths = [Path(item).resolve() for item in args.extra_chars_file]
+    font_pack_dir = resolve_font_pack_dir(pack_root, args.font_pack_id)
+    charset_out = args.charset_out or (font_pack_dir / "charset.txt")
+    ranges_out = args.ranges_out or (font_pack_dir / "ranges.txt")
+
+    chars = collect_charset(pack_root, extra_paths)
+    write_charset(charset_out, chars)
+    write_ranges(ranges_out, chars)
+
+    print(f"pack_root={pack_root}")
+    print(f"font_pack_dir={font_pack_dir}")
+    print(f"glyph_count={len(chars)}")
+    print(f"charset_out={charset_out}")
+    print(f"ranges_out={ranges_out}")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())
diff --git a/tools/fonts/README.md b/tools/fonts/README.md
index 3685381d..168b2d41 100644
--- a/tools/fonts/README.md
+++ b/tools/fonts/README.md
@@ -1,6 +1,6 @@
 # Font Assets
 
-This directory stores source vector fonts used to generate embedded LVGL bitmap fonts.
+This directory stores source vector fonts used to generate Trail Mate font assets.
 
 ## Noto Sans CJK SC
 
@@ -19,3 +19,33 @@ to LVGL compressed bitmap format (`bitmap_format = 2`):
 ```
 
 The tool validates each glyph via encode/decode round-trip before writing.
+
+## External Pack Workflow
+
+Simplified Chinese no longer ships as a compiled-in UI font. The repository now
+expects Chinese glyph coverage to be generated into an external font pack.
+
+The reference bundle lives under:
+
+```text
+packs/zh-Hans
+```
+
+Typical flow:
+
+1. Refresh the subset files:
+
+```bash
+python tools/build_locale_pack_charset.py --pack-root packs/zh-Hans --extra-chars-file tools/pinyin_chars.txt
+```
+
+2. Generate `packs/zh-Hans/fonts/zh-hans-cjk/font.bin` with `lv_font_conv`
+   using:
+
+- font source: `tools/fonts/NotoSansCJKsc-Regular.otf`
+- glyph subset: `packs/zh-Hans/fonts/zh-hans-cjk/charset.txt` or `ranges.txt`
+- output format: `bin`
+- size: `16`
+- bpp: `2`
+
+3. Copy the pack directories onto the SD card under `/trailmate/packs/...`.
diff --git a/tools/generate_binfont_with_lv_font_conv.py b/tools/generate_binfont_with_lv_font_conv.py
new file mode 100644
index 00000000..90bbb5ce
--- /dev/null
+++ b/tools/generate_binfont_with_lv_font_conv.py
@@ -0,0 +1,176 @@
+#!/usr/bin/env python3
+
+from __future__ import annotations
+
+import argparse
+import json
+import shutil
+import subprocess
+import sys
+import tarfile
+import tempfile
+from pathlib import Path
+
+
+NODE_DRIVER = r"""
+const fs = require('fs');
+const path = require('path');
+
+async function main() {
+  const configPath = process.argv[2];
+  const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
+  const convert = require(path.resolve(config.package_dir, 'lib', 'convert'));
+  const charset = fs.readFileSync(config.charset_file, 'utf8').replace(/\r/g, '').replace(/\n/g, '');
+
+  const args = {
+    size: config.size,
+    bpp: config.bpp,
+    format: 'bin',
+    output: config.output,
+    no_compress: config.no_compress,
+    no_prefilter: config.no_prefilter,
+    no_kerning: config.no_kerning,
+    fast_kerning: false,
+    lcd: false,
+    lcd_v: false,
+    use_color_info: false,
+    font: [
+      {
+        source_path: config.font,
+        source_bin: fs.readFileSync(config.font),
+        ranges: [{ symbols: charset }]
+      }
+    ]
+  };
+
+  const files = await convert(args);
+  for (const [outputPath, data] of Object.entries(files)) {
+    fs.mkdirSync(path.dirname(outputPath), { recursive: true });
+    fs.writeFileSync(outputPath, Buffer.isBuffer(data) ? data : Buffer.from(data));
+  }
+}
+
+main().catch((error) => {
+  console.error(error && error.stack ? error.stack : String(error));
+  process.exit(1);
+});
+"""
+
+
+def resolve_executable(candidate: str, fallback: str | None = None) -> str:
+    path_candidate = Path(candidate)
+    if path_candidate.exists():
+        return str(path_candidate.resolve())
+
+    discovered = shutil.which(candidate)
+    if discovered:
+        return discovered
+
+    if fallback:
+        fallback_path = Path(fallback)
+        if fallback_path.exists():
+            return str(fallback_path.resolve())
+        discovered = shutil.which(fallback)
+        if discovered:
+            return discovered
+
+    raise FileNotFoundError(f"unable to resolve executable: {candidate}")
+
+
+def infer_npm_from_node(node_exe: str) -> str | None:
+    node_path = Path(node_exe)
+    sibling = node_path.with_name("npm.cmd")
+    if sibling.exists():
+        return str(sibling.resolve())
+    sibling = node_path.with_name("npm")
+    if sibling.exists():
+        return str(sibling.resolve())
+    return None
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description="Generate an LVGL binary font from a charset file via lv_font_conv.")
+    parser.add_argument("--font", type=Path, required=True, help="Source font file, for example tools/fonts/NotoSansCJKsc-Regular.otf")
+    parser.add_argument("--charset-file", type=Path, required=True, help="UTF-8 charset.txt file listing glyphs to include")
+    parser.add_argument("--output", type=Path, required=True, help="Output font.bin path")
+    parser.add_argument("--size", type=int, default=16, help="Font size in pixels")
+    parser.add_argument("--bpp", type=int, default=2, help="Bits per pixel")
+    parser.add_argument("--node-exe", default="node", help="Node.js executable to use")
+    parser.add_argument("--npm-exe", default=None, help="npm executable to use; defaults to npm next to --node-exe when possible")
+    parser.add_argument("--package-spec", default="lv_font_conv", help="npm package spec to pack, defaults to lv_font_conv")
+    parser.add_argument("--no-compress", action="store_true", help="Disable lv_font_conv RLE compression")
+    parser.add_argument("--no-prefilter", action="store_true", help="Disable lv_font_conv XOR prefilter")
+    parser.add_argument("--no-kerning", action="store_true", help="Disable kerning generation")
+    args = parser.parse_args()
+
+    node_exe = resolve_executable(args.node_exe)
+    npm_hint = args.npm_exe or infer_npm_from_node(node_exe) or "npm"
+    npm_exe = resolve_executable(npm_hint)
+
+    font_path = args.font.resolve()
+    charset_path = args.charset_file.resolve()
+    output_path = args.output.resolve()
+
+    if not font_path.exists():
+        raise FileNotFoundError(f"font file not found: {font_path}")
+    if not charset_path.exists():
+        raise FileNotFoundError(f"charset file not found: {charset_path}")
+
+    with tempfile.TemporaryDirectory(prefix="lv-font-conv-") as temp_dir_name:
+        temp_dir = Path(temp_dir_name)
+        subprocess.run(
+            [npm_exe, "pack", args.package_spec],
+            cwd=temp_dir,
+            check=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            text=True,
+        )
+
+        tarballs = sorted(temp_dir.glob("*.tgz"))
+        if not tarballs:
+            raise FileNotFoundError("npm pack did not produce a tarball")
+
+        with tarfile.open(tarballs[0], "r:gz") as archive:
+            extract_kwargs = {"filter": "data"} if sys.version_info >= (3, 12) else {}
+            archive.extractall(temp_dir, **extract_kwargs)
+
+        package_dir = temp_dir / "package"
+        if not package_dir.is_dir():
+            raise FileNotFoundError(f"expected extracted package directory not found: {package_dir}")
+
+        config_path = temp_dir / "config.json"
+        config_path.write_text(
+            json.dumps(
+                {
+                    "package_dir": str(package_dir),
+                    "font": str(font_path),
+                    "charset_file": str(charset_path),
+                    "output": str(output_path),
+                    "size": args.size,
+                    "bpp": args.bpp,
+                    "no_compress": args.no_compress,
+                    "no_prefilter": args.no_prefilter,
+                    "no_kerning": args.no_kerning,
+                },
+                indent=2,
+            ),
+            encoding="utf-8",
+        )
+
+        driver_path = temp_dir / "driver.js"
+        driver_path.write_text(NODE_DRIVER, encoding="utf-8")
+        subprocess.run([node_exe, str(driver_path), str(config_path)], cwd=temp_dir, check=True)
+
+    print(f"font={font_path}")
+    print(f"charset_file={charset_path}")
+    print(f"output={output_path}")
+    print(f"size={args.size}")
+    print(f"bpp={args.bpp}")
+    print(f"node_exe={node_exe}")
+    print(f"npm_exe={npm_exe}")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())
diff --git a/variants/lilygo_twatch_s3/envs/lilygo_twatch_s3.ini b/variants/lilygo_twatch_s3/envs/lilygo_twatch_s3.ini
index ae1b14a9..1e6abee5 100644
--- a/variants/lilygo_twatch_s3/envs/lilygo_twatch_s3.ini
+++ b/variants/lilygo_twatch_s3/envs/lilygo_twatch_s3.ini
@@ -9,6 +9,9 @@ build_src_filter =
 build_flags =
     ${arduino_base.build_flags}
     -DBOARD_HAS_PSRAM=1
+    -DCONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=1
+    -DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+    -DCONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=185
     -DARDUINO_T_WATCH_S3
     -DARDUINO_LILYGO_LORA_SX1262
     -DTRAIL_MATE_LORA_TX_POWER_MAX_DBM=22
@@ -34,6 +37,9 @@ build_src_filter =
 build_flags =
     ${arduino_base.build_flags}
     -DBOARD_HAS_PSRAM=1
+    -DCONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=1
+    -DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+    -DCONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=185
     -DARDUINO_T_WATCH_S3
     -DARDUINO_LILYGO_LORA_SX1262
     -DTRAIL_MATE_LORA_TX_POWER_MAX_DBM=22
diff --git a/variants/tdeck/envs/tdeck.ini b/variants/tdeck/envs/tdeck.ini
index 8d462ca6..8ae7b609 100644
--- a/variants/tdeck/envs/tdeck.ini
+++ b/variants/tdeck/envs/tdeck.ini
@@ -8,6 +8,9 @@ build_src_filter =
 build_flags =
     ${arduino_base.build_flags}
     -DBOARD_HAS_PSRAM=1
+    -DCONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=1
+    -DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+    -DCONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=185
     -DARDUINO_T_DECK
     -DARDUINO_LILYGO_LORA_SX1262
     -DTRAIL_MATE_LORA_TX_POWER_MAX_DBM=22
@@ -32,6 +35,9 @@ build_src_filter =
 build_flags =
     ${arduino_base.build_flags}
     -DBOARD_HAS_PSRAM=1
+    -DCONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=1
+    -DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+    -DCONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=185
     -DARDUINO_T_DECK
     -DARDUINO_LILYGO_LORA_SX1262
     -DTRAIL_MATE_LORA_TX_POWER_MAX_DBM=22
diff --git a/variants/tdeck_pro/envs/tdeck_pro.ini b/variants/tdeck_pro/envs/tdeck_pro.ini
index 9b36e30f..bb6d7403 100644
--- a/variants/tdeck_pro/envs/tdeck_pro.ini
+++ b/variants/tdeck_pro/envs/tdeck_pro.ini
@@ -5,6 +5,9 @@ upload_speed = 921600
 build_flags =
     ${arduino_base.build_flags}
     -DBOARD_HAS_PSRAM=1
+    -DCONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=1
+    -DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+    -DCONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=185
     -DARDUINO_T_DECK_PRO
     -DARDUINO_USB_CDC_ON_BOOT=1
     -DARDUINO_LILYGO_LORA_SX1262
@@ -42,6 +45,9 @@ upload_speed = 921600
 build_flags =
     ${arduino_base.build_flags}
     -DBOARD_HAS_PSRAM=1
+    -DCONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=1
+    -DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+    -DCONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=185
     -DARDUINO_T_DECK_PRO
     -DARDUINO_USB_CDC_ON_BOOT=1
     -DARDUINO_LILYGO_LORA_SX1262