From cf5dfeb87b39b98bd33c920311a0796fc9d00d10 Mon Sep 17 00:00:00 2001
From: mikecarper <mikecarper@gmail.com>
Date: Tue, 3 Nov 2026 00:37:33 -0800
Subject: [PATCH] Fix constrained firmware builds and CI checks

---
 .github/workflows/run-unit-tests.yml          |  15 +-
 .../AsyncElegantOTA/src/AsyncElegantOTA.h     |   9 +-
 docs/research/firmware_memory_budget.md       |   6 +-
 docs/terminal_chat_cli.md                     |   4 +-
 examples/companion_radio/main.cpp             |  11 +
 examples/companion_radio/ui-new/UITask.cpp    |   9 +-
 scripts/check_nrf52_companion_crypto.py       |   4 +-
 scripts/check_nrf52_companion_reader.py       |  17 +-
 scripts/generate_webconfig_html.py            |  11 +-
 src/helpers/CommonCLI.cpp                     |  12 +
 src/helpers/CompanionReaderConfig.h           |   7 +-
 src/helpers/WirelessControl.h                 |  18 ++
 src/helpers/esp32/StaticHtml.h                | 267 ++++++++++++++++++
 src/helpers/ota/OtaTinf.c                     |   2 +-
 test/fixtures/cli_reply_text.json             |   6 +-
 test/test_compact_elegant_ota.py              | 155 ++++++++++
 test/test_companion_headless_buttons.py       |   9 +-
 test/test_companion_no_wireless.py            | 132 +++++++++
 test/test_companion_reader.py                 |  20 +-
 test/test_lr2021_calibration.py               |   9 +-
 test/test_pocket_reader.py                    |   2 +-
 test/test_stm32_wireless_specialization.py    |  46 +++
 test/test_webconfig_gzip.py                   |   7 +-
 tools/bible/README.md                         |   8 +-
 .../lilygo_tbeam_universal/platformio.ini     |   2 +
 webui/pages/elegant_ota_compact.html          |  53 ++++
 webui/vendor/README.md                        |   7 +
 webui/vendor/spark-md5-3.0.2.LICENSE.txt      |  13 +
 webui/vendor/spark-md5-3.0.2.MIT.txt          |  21 ++
 webui/vendor/spark-md5-3.0.2.min.js           |   1 +
 30 files changed, 839 insertions(+), 44 deletions(-)
 create mode 100644 test/test_compact_elegant_ota.py
 create mode 100644 test/test_companion_no_wireless.py
 create mode 100644 test/test_stm32_wireless_specialization.py
 create mode 100644 webui/pages/elegant_ota_compact.html
 create mode 100644 webui/vendor/README.md
 create mode 100644 webui/vendor/spark-md5-3.0.2.LICENSE.txt
 create mode 100644 webui/vendor/spark-md5-3.0.2.MIT.txt
 create mode 100644 webui/vendor/spark-md5-3.0.2.min.js

diff --git a/.github/workflows/run-unit-tests.yml b/.github/workflows/run-unit-tests.yml
index 4bb2aa969..aa8cf9b62 100644
--- a/.github/workflows/run-unit-tests.yml
+++ b/.github/workflows/run-unit-tests.yml
@@ -52,12 +52,12 @@ jobs:
           --firmware-version v1.18.0.1-halo-keymind-cascade-dev
           --radio-preset usa-cascade-fixed --profile cascade --require-ota
 
-      - name: Verify linked Companion crypto, retained Reader and ARM stack use
+      - name: Verify linked Companion crypto, Reader exclusion and ARM stack use
         run: |
           python3 -m pip install unicorn==2.1.4
           python3 -B test/test_cc310_shared_scratch.py -v
           python3 -B scripts/check_nrf52_companion_crypto.py .pio/build/RAK_4631_companion_radio_full/firmware.elf
-          python3 -B scripts/check_nrf52_companion_reader.py .pio/build/RAK_4631_companion_radio_full/firmware.elf
+          python3 -B scripts/check_nrf52_companion_reader.py --expect-disabled .pio/build/RAK_4631_companion_radio_full/firmware.elf
           python3 -B scripts/check_nrf52_companion_ota_workspace.py .pio/build/RAK_4631_companion_radio_full/firmware.elf
 
       - name: Qualify XIAO Full Companion with Meshtext and direct OTA
@@ -293,6 +293,14 @@ jobs:
         run: pio run -e muzi_base_repeater -e muzi_base_room_server -e muzi_base_companion_radio_usb -e muzi_base_companion_radio_ble
       - name: Qualify Muzi Full Companion
         run: bash build.sh build-firmware muzi_base_companion_radio_full --firmware-version v1.18.0.2-halo-keymind-cascade-dev --radio-preset usa-cascade-fixed --profile cascade
+      - name: Upload universal build failure logs
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: universal-lora-build-logs
+          path: out/build-logs/*.log
+          if-no-files-found: ignore
+          retention-days: 7
 
   headless-kiss-smoke:
     runs-on: ubuntu-latest
@@ -1168,6 +1176,8 @@ jobs:
       - name: Verify WiFi, ESP-NOW and combined wireless controls
         run: |
           python3 -B test/test_wireless_control.py -v
+          python3 -B test/test_stm32_wireless_specialization.py -v
+          python3 -B test/test_companion_no_wireless.py -v
           python3 -B test/test_serial_wifi_sessions.py -v
           python3 -B test/test_companion_wifi_listener.py -v
           python3 -B test/test_wifi_compatibility.py -v
@@ -1404,6 +1414,7 @@ jobs:
           python3 -B test/test_webconfig_ui.py
           python3 -B test/test_webconfig_regulators.py -v
           python3 -B test/test_webconfig_gzip.py
+          python3 -B test/test_compact_elegant_ota.py -v
           python3 -B test/test_webconfig_secret_masking.py
           python3 -B test/test_webconfig_station_ownership.py -v
           python3 -B test/test_mqtt_canonical_wifi.py -v
diff --git a/arch/esp32/AsyncElegantOTA/src/AsyncElegantOTA.h b/arch/esp32/AsyncElegantOTA/src/AsyncElegantOTA.h
index e1e06a211..60879d5ea 100644
--- a/arch/esp32/AsyncElegantOTA/src/AsyncElegantOTA.h
+++ b/arch/esp32/AsyncElegantOTA/src/AsyncElegantOTA.h
@@ -21,7 +21,14 @@
 #include "ESPAsyncWebServer.h"
 #include "FS.h"
 
-#include "elegantWebpage.h"
+#if defined(ESP32) && defined(MESH_COMPACT_ELEGANT_OTA) && MESH_COMPACT_ELEGANT_OTA
+  // Keep the full AsyncElegantOTA upload protocol; only its page is smaller.
+  #include <helpers/esp32/StaticHtml.h>
+  #define ELEGANT_HTML MESH_HTML_ELEGANT_OTA_COMPACT
+  #define ELEGANT_HTML_SIZE MESH_HTML_ELEGANT_OTA_COMPACT_LEN
+#else
+  #include "elegantWebpage.h"
+#endif
 
 
 class AsyncElegantOtaClass{
diff --git a/docs/research/firmware_memory_budget.md b/docs/research/firmware_memory_budget.md
index bda0f12d2..1868ec7dd 100644
--- a/docs/research/firmware_memory_budget.md
+++ b/docs/research/firmware_memory_budget.md
@@ -477,8 +477,10 @@ these are crypto function frames only, excluding callers, interrupts and other
 tasks. The loop stack stays at 8 KiB. A full firmware RAM check still applies.
 
 CI runs `scripts/check_nrf52_companion_crypto.py` on the actual Full RAK ELF.
-It checks the 960-byte table and retained Reader corpus, executes two RFC 8032
-vectors, and rejects crypto function stack use above 2 KiB. Host tests compare
+It checks the 960-byte table, executes two RFC 8032 vectors, and rejects crypto
+function stack use above 2 KiB. Reader is now disabled by default in Companion
+builds; an explicit `COMPANION_FEATURE_READER=1` retains the implementation and
+corpus. Host tests compare
 1,791 scalars and 128 keypair/signature/shared-secret cases against the original
 implementation, plus scalar boundary/random and sanitizer tests. Clean Full
 builds also cover T1000-E and T096. These builds are synthetic coverage for
diff --git a/docs/terminal_chat_cli.md b/docs/terminal_chat_cli.md
index a32c93f47..cd722dc6f 100644
--- a/docs/terminal_chat_cli.md
+++ b/docs/terminal_chat_cli.md
@@ -256,7 +256,9 @@ for the state machine and limitations.
 
 ## Commands
 
-ESP32 and nRF52 Full Companions include an offline World English Bible lookup:
+Custom ESP32 and nRF52 Full Companion USB builds can opt into an offline World
+English Bible lookup with `COMPANION_FEATURE_READER=1`. Standard builds leave
+it disabled to preserve firmware space:
 
 ```text
 get reader 3:16
diff --git a/examples/companion_radio/main.cpp b/examples/companion_radio/main.cpp
index fd67dc261..01a477969 100644
--- a/examples/companion_radio/main.cpp
+++ b/examples/companion_radio/main.cpp
@@ -3672,6 +3672,16 @@ static bool companionNativeUsbLightSleepReady() {
 
 bool handleCompanionWirelessCommand(const char* command, char* reply, size_t size,
                                    CompanionWirelessSource source) {
+#if defined(STM32_PLATFORM) && !defined(BLE_PIN_CODE) && !defined(WIFI_SSID) \
+    && !defined(WITH_BRIDGE) && !defined(WITH_MQTT_BRIDGE) \
+    && !defined(WITH_UDP_BRIDGE) && !defined(WITH_ESPNOW_BRIDGE) \
+    && !defined(WITH_WEBCONFIG) && !defined(ETHERNET_ENABLED) \
+    && !MESH_ENABLE_EMERGENCY_POWER \
+    && (!defined(MESH_PRIMARY_ESPNOW) || !MESH_PRIMARY_ESPNOW)
+  // This build has no wireless transport whose state can change.
+  (void)source;
+  return mesh::wireless::handleNoServices(command, reply, size);
+#else
 #if defined(BLE_PIN_CODE)
   const auto wireless_command = mesh::wireless::parse(command);
   if (reply && size && companion_bluetooth_off_at != 0
@@ -3700,6 +3710,7 @@ bool handleCompanionWirelessCommand(const char* command, char* reply, size_t siz
     }
   }
   return mesh::wireless::control().handle(command, reply, size, millis(), requester);
+#endif
 }
 
 #if COMPANION_RTC_TERMINAL_INPUT
diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index d8ff27f35..2a33f38c4 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -1739,12 +1739,6 @@ public:
       movePage(-1);
       return true;
     }
-#if COMPANION_FEATURE_READER
-    if (key == KEY_ENTER && isRadioPage()) {
-      _task->showReader();
-      return true;
-    }
-#endif
     if (key == KEY_NEXT || key == KEY_RIGHT) {
       movePage(1);
       if (_page == HomePage::RECENT) {
@@ -3157,7 +3151,8 @@ char UITask::handleLongPress(char c) {
   // The radio page's reader gesture, including exit, takes precedence over
   // the global early-boot rescue gesture just like the WiFi setup page.
   if (_display != NULL && isReaderActive()) { closeReader(); return 0; }
-  if (_display != NULL && curr == home && static_cast<HomeScreen*>(home)->isRadioPage()) {
+  if (c == KEY_ENTER && _display != NULL && curr == home
+      && static_cast<HomeScreen*>(home)->isRadioPage()) {
     showReader();
     return 0;
   }
diff --git a/scripts/check_nrf52_companion_crypto.py b/scripts/check_nrf52_companion_crypto.py
index aa6fdff2c..8b53b3022 100644
--- a/scripts/check_nrf52_companion_crypto.py
+++ b/scripts/check_nrf52_companion_crypto.py
@@ -43,8 +43,6 @@ def check(path):
     if elf.symbols.get("base", (0, 0))[1] != 960:
         raise ValueError("Companion must retain the 960-byte Ed25519 base table")
     reader = "_ZN4mesh5bible9generatedL10readerDataE"
-    if reader not in elf.symbols:
-        raise ValueError("Companion Reader corpus is missing")
     path_cache = elf.symbols.get("_ZZN4mesh18contactPathStorageEvE4pool")
     if path_cache and elf.sections[path_cache[2]][1] != 8:  # SHT_NOBITS
         raise ValueError("Contact path cache has a flash load image; expected zero-initialized storage")
@@ -102,7 +100,7 @@ def check(path):
     return {
         "passed": True, "elf_sha256": hashlib.sha256(elf.data).hexdigest(),
         "base_table_bytes": elf.symbols["base"][1],
-        "reader_data_bytes": elf.symbols[reader][1], "vectors": rows,
+        "reader_data_bytes": elf.symbols.get(reader, (0, 0))[1], "vectors": rows,
         "zero_initialized_path_cache_bytes": path_cache[1] if path_cache else 0,
         "stack_limit_bytes": 2048,
         "scope": "Crypto function frames only; excludes caller/ISR/task stacks and physical timing.",
diff --git a/scripts/check_nrf52_companion_reader.py b/scripts/check_nrf52_companion_reader.py
index 857aca6b6..ee813e261 100644
--- a/scripts/check_nrf52_companion_reader.py
+++ b/scripts/check_nrf52_companion_reader.py
@@ -23,6 +23,19 @@ ROOT = Path(__file__).resolve().parents[1]
 TYPOGRAPHY = str.maketrans({'\u00a0':' ', '\u2013':'-', '\u2014':'-', '\u2018':"'", '\u2019':"'", '\u201c':'"', '\u201d':'"'})
 
 
+def check_disabled(path):
+    elf = FirmwareElf(path)
+    if elf.unpack('H', 18)[0] != 40:
+        raise ValueError('Expected ARM ELF')
+    retained = [name for name in elf.symbols
+                if 'readerData' in name or 'replyVerse' in name
+                or 'handleReaderCommand' in name]
+    if retained:
+        raise ValueError('Reader code or corpus unexpectedly linked: ' + repr(retained))
+    return {'passed': True, 'reader': 'disabled',
+            'elf_sha256': hashlib.sha256(elf.data).hexdigest()}
+
+
 def check(path, every_page=False):
     elf = FirmwareElf(path)
     if elf.unpack('H', 18)[0] != 40:
@@ -132,8 +145,10 @@ if __name__ == '__main__':
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument('elf')
     parser.add_argument('--every-page', action='store_true')
+    parser.add_argument('--expect-disabled', action='store_true')
     args = parser.parse_args()
     try:
-        print(json.dumps(check(args.elf, args.every_page), indent=2))
+        print(json.dumps(check_disabled(args.elf) if args.expect_disabled
+                         else check(args.elf, args.every_page), indent=2))
     except (ValueError, OSError) as error:
         parser.exit(1, f'FAILED: {error}\n')
diff --git a/scripts/generate_webconfig_html.py b/scripts/generate_webconfig_html.py
index b70bec3fe..1d3f6375a 100644
--- a/scripts/generate_webconfig_html.py
+++ b/scripts/generate_webconfig_html.py
@@ -118,7 +118,16 @@ def main():
                     "#pragma once", "#include <stdint.h>", "#include <pgmspace.h>"]
     for page in sorted(Path("webui/pages").glob("*.html")):
         symbol = "MESH_HTML_" + page.stem.upper()
-        compressed = compress_page(page.read_bytes())
+        page_bytes = page.read_bytes()
+        if page.name == "elegant_ota_compact.html":
+            # Inline the pinned, locally vendored MD5 implementation: the OTA
+            # page must work without internet and the server verifies its hash.
+            marker = b"/* MESH_SPARK_MD5 */"
+            if page_bytes.count(marker) != 1:
+                raise ValueError("compact OTA page must contain one MD5 marker")
+            vendor = Path("webui/vendor/spark-md5-3.0.2.min.js").read_bytes()
+            page_bytes = page_bytes.replace(marker, vendor)
+        compressed = compress_page(page_bytes)
         static_lines.append("const uint32_t %s_LEN = %d;" % (symbol, len(compressed)))
         append_byte_array(static_lines, symbol, compressed)
     static_header = Path("src/helpers/esp32/StaticHtml.h")
diff --git a/src/helpers/CommonCLI.cpp b/src/helpers/CommonCLI.cpp
index b29270f9a..5a214381e 100644
--- a/src/helpers/CommonCLI.cpp
+++ b/src/helpers/CommonCLI.cpp
@@ -3750,8 +3750,20 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, char* command, char* re
 #if MESH_ENABLE_TX_BEACONS
     if (handleBeaconCommand(command, reply, 157)) return;
 #endif
+#if defined(STM32_PLATFORM) && defined(STM32WLxx) && defined(USE_STM32WL) \
+    && !defined(WITH_WEBCONFIG) && !defined(WITH_MQTT_BRIDGE) \
+    && !defined(WITH_UDP_BRIDGE) && !defined(WITH_ESPNOW_BRIDGE) \
+    && !defined(WITH_BRIDGE) && !defined(ETHERNET_ENABLED) \
+    && !defined(BLE_PIN_CODE) && !defined(WIFI_SSID) \
+    && !MESH_ENABLE_EMERGENCY_POWER \
+    && (!defined(MESH_PRIMARY_ESPNOW) || !MESH_PRIMARY_ESPNOW)
+    // The integrated STM32WL target has no 2.4 GHz services. Keep the same
+    // unsupported-command replies without retaining the state machine.
+    if (mesh::wireless::handleNoServices(command, reply, 160)) return;
+#else
     if (mesh::wireless::control().handle(command, reply, 160, millis(),
                                        _callbacks->wirelessCommandSource(sender_timestamp))) return;
+#endif
     // Infrastructure callers can already have reflected a three-byte CLI
     // request prefix into the same 160-byte reply. Reserve it for bulk pages.
 #if MESH_ENABLE_CARRIER_TOOLS || MESH_ENABLE_MORSE_RX
diff --git a/src/helpers/CompanionReaderConfig.h b/src/helpers/CompanionReaderConfig.h
index 258535495..615528d18 100644
--- a/src/helpers/CompanionReaderConfig.h
+++ b/src/helpers/CompanionReaderConfig.h
@@ -1,12 +1,7 @@
 #pragma once
 
 #ifndef COMPANION_FEATURE_READER
-  #if defined(COMPANION_RADIO_FULL) && defined(ENABLE_USB_INTERFACE) \
-      && (defined(ESP32_PLATFORM) || defined(NRF52_PLATFORM))
-    #define COMPANION_FEATURE_READER 1
-  #else
-    #define COMPANION_FEATURE_READER 0
-  #endif
+  #define COMPANION_FEATURE_READER 0
 #endif
 
 #ifndef COMPANION_READER_COMPACT_STREAM
diff --git a/src/helpers/WirelessControl.h b/src/helpers/WirelessControl.h
index 79a47d5e2..f2f01ade3 100644
--- a/src/helpers/WirelessControl.h
+++ b/src/helpers/WirelessControl.h
@@ -47,6 +47,24 @@ inline Command parse(const char* s) {
   return {scope, Action::Invalid};
 }
 
+// Match Control::handle when the build has no wireless services, without
+// retaining the state-transition machinery on flash-constrained devices.
+inline bool handleNoServices(const char* text, char* reply, size_t size) {
+  const auto command = parse(text);
+  if (command.action == Action::None || !reply || !size) return false;
+  if (command.action == Action::Invalid) {
+    snprintf(reply, size, MESH_CLI_REPLY_TEXT("Error: use set wifi/espnow on|off [force]; set 2.4ghz on [all|force]|off [force]", "Error: set wifi/espnow on|off [force]; set 2.4ghz on [all|force]|off [force]"));
+  } else if (command.action == Action::Get) {
+    if (command.scope == All)
+      snprintf(reply, size, "wifi=unavailable, bluetooth=unavailable, espnow=unavailable");
+    else
+      snprintf(reply, size, "%s unavailable", command.scope == WiFi ? "wifi" : "espnow");
+  } else {
+    snprintf(reply, size, MESH_CLI_REPLY_TEXT("Error: requested wireless service unavailable in this build/boot", "Error: wireless service unavailable this build/boot"));
+  }
+  return true;
+}
+
 class Backend {
 public:
   virtual uint8_t available() const = 0; // Services usable in this boot.
diff --git a/src/helpers/esp32/StaticHtml.h b/src/helpers/esp32/StaticHtml.h
index 60f0a7d83..bc25ab357 100644
--- a/src/helpers/esp32/StaticHtml.h
+++ b/src/helpers/esp32/StaticHtml.h
@@ -3,6 +3,273 @@
 #pragma once
 #include <stdint.h>
 #include <pgmspace.h>
+const uint32_t MESH_HTML_ELEGANT_OTA_COMPACT_LEN = 4211;
+const uint8_t MESH_HTML_ELEGANT_OTA_COMPACT[] PROGMEM = {
+  0x1f,0x8b,0x08,0x00,0x00,0x00,0x00,0x00,0x02,0xff,0x94,0x52,0x55,0xa2,0xac,0x36,
+  0x18,0x7e,0x9f,0x55,0xa4,0xa9,0x0d,0xb7,0xc8,0xe8,0x91,0x19,0xa0,0xee,0xee,0x2e,
+  0x21,0xf9,0x19,0xd2,0x03,0x84,0x9b,0x84,0x91,0x4b,0x8f,0x6c,0xa6,0xb6,0x8e,0xee,
+  0xa4,0x2b,0xe9,0x8f,0x5d,0x7b,0xeb,0xc3,0x97,0xfc,0xee,0xe1,0x33,0x42,0x71,0x7b,
+  0xaa,0x80,0x64,0xb6,0xc8,0xe3,0x49,0xd8,0x7d,0x61,0x06,0x4c,0xc4,0x61,0x01,0x96,
+  0x11,0x9e,0x31,0x6d,0xc0,0x46,0xb4,0xb6,0xa9,0x77,0x41,0x07,0x69,0xc9,0x0a,0x88,
+  0xe8,0x5e,0xc2,0xa1,0x52,0xda,0x52,0xc2,0x55,0x69,0xa1,0x44,0xab,0x83,0x14,0x36,
+  0x8b,0x04,0xec,0x25,0x07,0xaf,0x63,0x5c,0x59,0x4a,0x2b,0x59,0xee,0x19,0xce,0x72,
+  0x88,0xe6,0x14,0xb3,0x58,0x69,0x73,0x88,0x3f,0x04,0x93,0xbd,0xae,0x34,0x90,0x8f,
+  0xbf,0x78,0x35,0x0c,0x7a,0x59,0x68,0xec,0x09,0xbf,0x49,0xa2,0xc4,0xa9,0x49,0x31,
+  0xea,0x66,0x7e,0x56,0x1d,0x89,0x61,0xa5,0xf1,0x0c,0x68,0x99,0x6e,0x0b,0x76,0xec,
+  0x03,0x6f,0x96,0x17,0x1a,0x0a,0xe4,0xf5,0x4e,0x96,0x9b,0x05,0xd2,0x84,0xd5,0x56,
+  0x6d,0x2b,0x26,0x84,0x2c,0x77,0x9b,0x19,0x99,0xb7,0xfa,0x5c,0x96,0xe0,0x65,0x20,
+  0x77,0x19,0xc6,0xf2,0x57,0xeb,0xeb,0x49,0x2a,0x21,0x17,0xd8,0x53,0x33,0xb8,0xb6,
+  0x66,0x64,0x76,0x9d,0xd4,0xd6,0xaa,0x12,0xcb,0xad,0x6a,0xdb,0xa7,0x96,0x65,0x86,
+  0x29,0xed,0xa0,0x69,0xc6,0xc0,0xfe,0x1a,0x1d,0xba,0xe0,0xd7,0x95,0x56,0x3b,0x0d,
+  0xc6,0x34,0x7d,0x45,0xf3,0xd9,0xec,0xf9,0xeb,0xc9,0xb3,0xc6,0x32,0x5b,0xa3,0x2c,
+  0x93,0x16,0x3c,0x53,0x31,0x0e,0x9b,0x4a,0xe3,0x38,0x34,0xab,0xb6,0x6a,0x0f,0x3a,
+  0xcd,0xd5,0xa1,0xe3,0x36,0xac,0x3c,0x1d,0x30,0x07,0x5c,0x4f,0xc2,0xa0,0xef,0x3c,
+  0x0c,0xfa,0xe1,0xb7,0x03,0x68,0xf7,0x31,0x7f,0x6a,0x4c,0x28,0x08,0x2b,0x22,0x45,
+  0x44,0xa5,0xc0,0x89,0x4b,0x7b,0xa2,0xf1,0x67,0xe8,0x81,0x85,0x91,0x7e,0xec,0x64,
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+  0x1f,0xae,0xc4,0x22,0x96,0x5e,0x82,0x08,0xa8,0x85,0x5c,0x7e,0x71,0xf7,0xce,0x0d,
+  0x21,0x96,0x8f,0x68,0x09,0x68,0x10,0xae,0xc4,0xd3,0x92,0x7b,0xe0,0x68,0xcf,0x47,
+  0x55,0xf0,0x1b,0x63,0xa1,0xbd,0x89,0x11,0xe3,0xa3,0x38,0x3e,0x7e,0x6a,0xf1,0x15,
+  0x8f,0xa0,0x04,0xa0,0xb1,0xf7,0xe0,0xfe,0xe3,0x27,0x9e,0xaf,0x6b,0x14,0xd8,0x50,
+  0x6f,0x6f,0x65,0x62,0x7e,0xb9,0xe2,0x32,0x9b,0xc0,0xd5,0x11,0x46,0x81,0x4b,0x82,
+  0xfa,0x08,0x18,0xba,0xed,0x0b,0xae,0xb1,0xb3,0x19,0x7d,0x52,0x85,0x17,0x6f,0x81,
+  0x1b,0x81,0x29,0xc9,0xf6,0x9c,0xd0,0x91,0x2f,0x02,0xaa,0xb2,0x69,0xfd,0x81,0xa4,
+  0x79,0xfa,0x15,0x8c,0xd7,0xaf,0x2b,0x1f,0x94,0x22,0xce,0x59,0xd8,0x17,0x5c,0x34,
+  0xb0,0x8f,0xa1,0xe5,0x4d,0xba,0x74,0x27,0xde,0x17,0x90,0xfd,0x2b,0x47,0x72,0x13,
+  0x1b,0x6e,0x9c,0x69,0x00,0xd5,0x12,0xa3,0x08,0xe6,0x4b,0xcf,0x7b,0xea,0xe7,0x2b,
+  0x12,0x10,0x1f,0x9f,0xb3,0x43,0x19,0x7e,0x29,0x15,0x9c,0xad,0x2c,0xcf,0x81,0xee,
+  0x46,0x59,0x8a,0xc0,0x9b,0x2a,0x51,0x46,0x33,0x28,0x3d,0x10,0x99,0xe3,0x1b,0x4f,
+  0x9e,0x3c,0x00,0xa1,0xba,0x64,0x27,0x1e,0x9b,0x5a,0x8b,0xba,0x44,0x3f,0x01,0x95,
+  0x58,0xd8,0x23,0xeb,0x50,0x52,0x74,0x99,0x85,0x94,0x57,0x52,0xb6,0xa4,0x2c,0x0a,
+  0xae,0xee,0xa0,0x8b,0x14,0x48,0x89,0x6a,0x27,0xf0,0x7a,0x89,0xc7,0x1b,0x65,0x25,
+  0x0e,0x21,0x9e,0xc4,0x45,0xc2,0x73,0xa0,0xdf,0x8b,0x5f,0x63,0xa4,0x61,0xd4,0xa9,
+  0xf8,0x22,0x00,0xd3,0x41,0x4d,0x0e,0xec,0xa9,0xb4,0xc4,0xff,0x2e,0xd6,0x76,0x75,
+  0xc2,0x18,0x55,0x0f,0x53,0x94,0x44,0x7e,0xfb,0x56,0xa8,0xcd,0x26,0x5f,0xe5,0xa3,
+  0x2c,0x53,0x8c,0x31,0x4a,0x25,0x43,0x1e,0xd9,0x23,0xf3,0x15,0xc3,0x8f,0xe6,0x2c,
+  0xb5,0x8e,0x3f,0x77,0x03,0xff,0xd1,0x8f,0x43,0xfd,0x05,0x90,0x09,0x2d,0xa4,0x1f,
+  0x35,0x00,0x00,
+};
 const uint32_t MESH_HTML_LIGHTWEIGHT_OTA_LEN = 619;
 const uint8_t MESH_HTML_LIGHTWEIGHT_OTA[] PROGMEM = {
   0x1f,0x8b,0x08,0x00,0x00,0x00,0x00,0x00,0x02,0xff,0x74,0x52,0xc5,0x9a,0xdb,0x30,
diff --git a/src/helpers/ota/OtaTinf.c b/src/helpers/ota/OtaTinf.c
index 7ebd9c315..356432cd0 100644
--- a/src/helpers/ota/OtaTinf.c
+++ b/src/helpers/ota/OtaTinf.c
@@ -11,7 +11,7 @@
 /* nRF52's Arduino recipe defaults to -Ofast, which more than doubles this
  * decoder. Keep the size policy local to tinf instead of changing MeshCore. */
 #pragma GCC push_options
-#if defined(NRF52_PLATFORM)
+#if defined(NRF52_PLATFORM) && __GNUC__ >= 12
 #pragma GCC optimize ("Oz")
 #else
 #pragma GCC optimize ("Os")
diff --git a/test/fixtures/cli_reply_text.json b/test/fixtures/cli_reply_text.json
index 3f0662e39..a5d33a316 100644
--- a/test/fixtures/cli_reply_text.json
+++ b/test/fixtures/cli_reply_text.json
@@ -1481,10 +1481,10 @@
     }
   ],
   "noncompact_tokens_sha256": {
-    "src/helpers/CommonCLI.cpp": "e060c15118b94db76a41391b1fee872759ddcf308576b60eb1ae6ddec9444b8a",
-    "examples/simple_repeater/MyMesh.cpp": "bf614d2a4c672d33cbfbf2d4338f522c21e877abcfa7566f0e39a9fb6eecbbd9",
+    "src/helpers/CommonCLI.cpp": "c39dce89a0222f32d3da3f66f9c130491c93cf1e14e7eefeccb5b57dd63e9612",
+    "examples/simple_repeater/MyMesh.cpp": "c67ad3818404b7f1bd3fb99cd44aefac788f9c069342eb3124c693a066d03ca4",
     "src/helpers/RadioProfileCLI.cpp": "8e3d293cb522717b13901c27d7fc471f5c370710919fb3d74d35449bc497552d",
-    "src/helpers/WirelessControl.h": "0944bfdefb7003b47af52104b4c7447d7e5e65d54b3396790878c5b49e472913",
+    "src/helpers/WirelessControl.h": "d96f79fbc5736d9e08d4839c76b4af5c6cfccab5d3c2f01226cdbfeed1da56c5",
     "src/helpers/PowerSavingDiagnostics.h": "18b78f5780046ea8c772c4ce6c337741ae0c027039d9399c94c5f4205d114000",
     "src/helpers/FloodAdvertCLI.h": "0f378e4d0f6c3b9b79991068a4b4208139484d2144ee1d7c5094d39043463be4",
     "src/helpers/LedSettings.cpp": "df0681234ca1337148ad59caa935857bc692f98bf18603ca6d099c0382028400",
diff --git a/test/test_compact_elegant_ota.py b/test/test_compact_elegant_ota.py
new file mode 100644
index 000000000..c471e96b7
--- /dev/null
+++ b/test/test_compact_elegant_ota.py
@@ -0,0 +1,155 @@
+"""Exercise the compact OTA page against the existing ElegantOTA wire format."""
+from email import policy
+from email.parser import BytesParser
+import gzip
+import hashlib
+import http.server
+import os
+from pathlib import Path
+import re
+import shutil
+import subprocess
+import tempfile
+import threading
+import unittest
+
+from test_webconfig_ui_runtime import BROWSER, run_browser
+
+
+ROOT = Path(__file__).resolve().parents[1]
+VENDOR = ROOT / "webui/vendor/spark-md5-3.0.2.min.js"
+HEADER = ROOT / "src/helpers/esp32/StaticHtml.h"
+SYMBOL = "MESH_HTML_ELEGANT_OTA_COMPACT"
+
+
+def embedded_page():
+    source = HEADER.read_text(encoding="utf-8")
+    length = int(re.search(SYMBOL + r"_LEN = (\d+);", source).group(1))
+    array = source.split("const uint8_t " + SYMBOL + "[] PROGMEM = {", 1)[1].split("};", 1)[0]
+    data = bytes(int(value, 16) for value in re.findall(r"0x([0-9a-f]{2})", array))
+    if len(data) != length:
+        raise AssertionError("compressed OTA page has a bad length")
+    return gzip.decompress(data).decode("utf-8")
+
+
+class CompactElegantOtaTests(unittest.TestCase):
+    def test_vendored_incremental_md5_vectors(self):
+        self.assertEqual(hashlib.sha256(VENDOR.read_bytes()).hexdigest(),
+                         "d80e84c820cc5587a0ba3c8a20652099ea3fa7fc43944e812e56d449c1d9f1c9")
+        node = shutil.which("node")
+        if not node:
+            self.skipTest("Node is unavailable")
+        script = r'''
+const SparkMD5 = require(process.argv[1]);
+const crypto = require('crypto');
+if (SparkMD5.hash('') !== 'd41d8cd98f00b204e9800998ecf8427e' ||
+    SparkMD5.hash('abc') !== '900150983cd24fb0d6963f7d28e17f72') process.exit(1);
+for (const size of [0, 3, 64, 262144, 700123]) {
+  const input = Buffer.alloc(size);
+  for (let i=0;i<size;i++) input[i] = i % 251;
+  const digest = new SparkMD5.ArrayBuffer();
+  for (let i=0;i<size;i+=65537) {
+    const b=input.subarray(i,Math.min(size,i+65537));
+    digest.append(b.buffer.slice(b.byteOffset,b.byteOffset+b.byteLength));
+  }
+  if (digest.end() !== crypto.createHash('md5').update(input).digest('hex')) process.exit(1);
+}
+'''
+        subprocess.run([node, "-e", script, str(VENDOR)], check=True, timeout=30)
+
+    def test_only_tbeam_observers_select_the_page(self):
+        source = (ROOT / "arch/esp32/AsyncElegantOTA/src/AsyncElegantOTA.h").read_text()
+        self.assertIn("MESH_COMPACT_ELEGANT_OTA", source)
+        self.assertIn("#include \"elegantWebpage.h\"", source)
+        target = (ROOT / "variants/lilygo_tbeam_universal/platformio.ini").read_text()
+        selected = re.findall(r"\[env:([^]]+)\]([^\[]*)", target)
+        enabled = [name for name, section in selected if "-D MESH_COMPACT_ELEGANT_OTA=1" in section]
+        self.assertEqual(enabled, ["Tbeam_repeater_observer_mqtt", "Tbeam_room_server_observer_mqtt"])
+        self.assertEqual(embedded_page().count("MESH_SPARK_MD5"), 0)
+        self.assertIn("SparkMD5", embedded_page())
+
+    @unittest.skipUnless(BROWSER, "Chromium-family browser is unavailable")
+    def test_real_browser_streams_firmware_and_filesystem_with_correct_md5(self):
+        payload = bytes(i % 251 for i in range(700123))  # three FileReader chunks
+        requests = []
+        page = embedded_page().replace("</body>", r'''
+<script>
+window.addEventListener('load',function(){
+ var bytes=new Uint8Array(700123);for(var i=0;i<bytes.length;i++)bytes[i]=i%251;
+ var input=document.getElementById('file'),button=document.getElementById('upload');
+ function send(kind){
+   document.querySelector('input[value="'+kind+'"]').checked=true;
+   var selection=new DataTransfer();selection.items.add(new File([bytes],kind+'.bin'));
+   input.files=selection.files;button.click();
+ }
+ var phase=0;send('firmware');
+ document.body.setAttribute('data-test-busy',button.disabled&&input.disabled&&document.querySelector('input[value="filesystem"]').disabled?'yes':'no');
+ var timer=setInterval(function(){
+   var text=document.getElementById('status').textContent;
+   if(phase===2){
+     if(text.indexOf('Upload failed (HTTP 500)')<0)return;
+     clearInterval(timer);document.body.setAttribute('data-test-done',!button.disabled&&!input.disabled&&!document.querySelector('input[value="filesystem"]').disabled?'yes':'no');
+     document.body.setAttribute('data-test-identity',document.getElementById('identity').textContent);return;
+   }
+   if(text.indexOf('Update complete')<0)return;
+   if(phase++===0){send('filesystem');return;}
+   send('firmware');
+ },30);
+});
+</script></body>''')
+
+        class Handler(http.server.BaseHTTPRequestHandler):
+            def log_message(self, *_):
+                pass
+
+            def do_GET(self):
+                body = (b'{"id":"test node","hardware":"ESP32"}' if self.path == "/update/identity"
+                        else page.encode("utf-8"))
+                self.send_response(200)
+                self.send_header("Content-Type", "application/json" if self.path == "/update/identity" else "text/html")
+                self.send_header("Content-Length", str(len(body)))
+                self.end_headers()
+                self.wfile.write(body)
+
+            def do_POST(self):
+                body = self.rfile.read(int(self.headers["Content-Length"]))
+                message = BytesParser(policy=policy.default).parsebytes(
+                    b"Content-Type: " + self.headers["Content-Type"].encode("ascii")
+                    + b"\r\nMIME-Version: 1.0\r\n\r\n" + body)
+                parts = {p.get_param("name", header="Content-Disposition"): p for p in message.iter_parts()}
+                requests.append((self.path, parts["MD5"].get_payload(decode=True).decode(),
+                                 [(name, part.get_filename(), part.get_payload(decode=True))
+                                  for name, part in parts.items() if name != "MD5"]))
+                failure = len(requests) == 3
+                response = b"invalid image" if failure else b"OK"
+                self.send_response(500 if failure else 200)
+                self.send_header("Content-Length", str(len(response)))
+                self.end_headers()
+                self.wfile.write(response)
+
+        server = http.server.ThreadingHTTPServer(("127.0.0.1", 0), Handler)
+        thread = threading.Thread(target=server.serve_forever, daemon=True)
+        thread.start()
+        try:
+            with tempfile.TemporaryDirectory(prefix="meshcore-ota-browser-") as folder:
+                command = [BROWSER, "--headless=new", "--disable-gpu", "--no-first-run",
+                           "--user-data-dir=" + folder, "--virtual-time-budget=15000", "--dump-dom",
+                           "http://127.0.0.1:%d/update" % server.server_port]
+                if os.name != "nt" and hasattr(os, "geteuid") and os.geteuid() == 0:
+                    command.insert(1, "--no-sandbox")
+                result = run_browser(command)
+            self.assertEqual(result.returncode, 0, result.stderr.decode(errors="replace"))
+            self.assertIn('data-test-busy="yes"', result.stdout.decode(errors="replace"))
+            self.assertIn('data-test-done="yes"', result.stdout.decode(errors="replace"))
+            self.assertIn('data-test-identity="test node · ESP32"', result.stdout.decode(errors="replace"))
+        finally:
+            server.shutdown()
+            server.server_close()
+            thread.join(timeout=5)
+        digest = hashlib.md5(payload).hexdigest()
+        self.assertEqual(requests, [("/update", digest, [(name, name, payload)])
+                                    for name in ("firmware", "filesystem", "firmware")])
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/test/test_companion_headless_buttons.py b/test/test_companion_headless_buttons.py
index f9a9019a1..0a23529a1 100644
--- a/test/test_companion_headless_buttons.py
+++ b/test/test_companion_headless_buttons.py
@@ -22,7 +22,7 @@ HARNESS = r'''
 #define UI_HAS_JOYSTICK 0
 #define UI_WIFI_SETUP_HOME_PAGE 0
 #define MESH_DEBUG_PRINTLN(...)
-constexpr char KEY_ENTER='e', KEY_NEXT='n', KEY_PREV='p', KEY_SELECT='s', KEY_UP='u', KEY_DOWN='d';
+constexpr char KEY_ENTER='e', KEY_NEXT='n', KEY_PREV='p', KEY_SELECT='s', KEY_UP='u', KEY_DOWN='d', KEY_LEFT='l', KEY_RIGHT='r';
 constexpr int BUTTON_EVENT_CLICK=1, BUTTON_EVENT_LONG_PRESS=2, BUTTON_EVENT_DOUBLE_CLICK=3;
 constexpr int BUTTON_EVENT_TRIPLE_CLICK=4, BUTTON_EVENT_QUADRUPLE_CLICK=5;
 uint32_t now_ms=0;
@@ -156,6 +156,13 @@ void visible() {
   event(ui, BUTTON_EVENT_LONG_PRESS);
   assert(ui.reader_closes==1 && ui.curr==ui.home);
   ui.home_screen.radio_page=true;
+#ifdef UI_HAS_NAV_INPUT
+  event(ui, BUTTON_EVENT_CLICK);
+  assert(ui.curr==ui.home && ui.reader_opens==0);
+#endif
+  assert(ui.handleLongPress(KEY_LEFT)==KEY_LEFT);
+  assert(ui.handleLongPress(KEY_RIGHT)==KEY_RIGHT);
+  assert(ui.curr==ui.home && ui.reader_opens==0);
   event(ui, BUTTON_EVENT_LONG_PRESS);
   assert(ui.reader_opens==1 && ui.curr==ui.reader);
 #endif
diff --git a/test/test_companion_no_wireless.py b/test/test_companion_no_wireless.py
new file mode 100644
index 000000000..ce8eb0382
--- /dev/null
+++ b/test/test_companion_no_wireless.py
@@ -0,0 +1,132 @@
+"""Check the compact no-wireless Companion path against the full controller."""
+
+from pathlib import Path
+import os
+import subprocess
+import tempfile
+import unittest
+
+from cpp_source import body
+
+ROOT = Path(__file__).resolve().parents[1]
+
+HARNESS = r'''
+#include <helpers/WirelessControl.h>
+#include "examples/companion_radio/CompanionWireless.h"
+#include <cassert>
+#include <cstring>
+#include <string>
+#include <vector>
+
+struct Unavailable : mesh::wireless::Backend {
+  unsigned sets = 0;
+  uint8_t available() const override { return 0; }
+  uint8_t enabled() const override { return 0; }
+  uint8_t clients() const override { return 0; }
+  mesh::wireless::Result set(uint8_t, bool) override {
+    ++sets;
+    return mesh::wireless::Result::Failed;
+  }
+};
+
+@WRAPPER@
+
+int main() {
+  using namespace mesh::wireless;
+  static Unavailable backend;
+  Control reference;
+  reference.begin(backend);
+  control().begin(backend);
+  const char* commands[] = {
+    "", "get wifi", "get espnow", "get 2.4ghz", "get wifi.status",
+    "set wifi on", "set wifi off", "set wifi off force", "set wifi on force",
+    "set espnow on", "set espnow off", "set espnow off force",
+    "set 2.4ghz on", "set 2.4ghz off", "set 2.4ghz off force",
+    "set 2.4ghz on all", "set 2.4ghz on force", "set 2.4ghz on all force",
+    " get wifi\t", "set\twifi on", "get wifi junk", "set wifi",
+    "set wifi off force extra", "set espnow.channel 3", "get bluetooth",
+    "set bluetooth off", "set 2.4ghzx on", "SET wifi on", "reset wifi"
+  };
+  const CompanionWirelessSource sources[] = {
+    CompanionWirelessSource::Other, CompanionWirelessSource::Usb,
+    CompanionWirelessSource::Network, CompanionWirelessSource::Framed
+  };
+  const uint8_t requesters[] = {0, Independent, WiFi, Bluetooth};
+  for (const char* command : commands) for (size_t size = 0; size <= 160; ++size)
+    for (unsigned route = 0; route < 4; ++route) {
+      char expected[160], actual[160];
+      memset(expected, 0x5a, sizeof(expected));
+      memset(actual, 0x5a, sizeof(actual));
+      const bool original = reference.handle(command, expected, size, 500, requesters[route]);
+      const bool compact = handleCompanionWirelessCommand(command, actual, size, sources[route]);
+      assert(original == compact);
+      assert(memcmp(expected, actual, sizeof(expected)) == 0);
+      reference.service(1000);
+      control().service(1000);
+      assert(!reference.pending() && !control().pending());
+      assert(!reference.masterOff() && !control().masterOff());
+      assert(!reference.blocked(All) && !control().blocked(All));
+      assert(backend.sets == 0);
+    }
+  for (const char* command : {"get wifi", "set wifi on", "unknown"}) {
+    assert(reference.handle(command, nullptr, 160, 500, Independent)
+           == handleCompanionWirelessCommand(command, nullptr, 160, CompanionWirelessSource::Usb));
+  }
+}
+'''
+
+
+class NoWirelessCompanionTest(unittest.TestCase):
+    def test_stm32_wrapper_matches_full_controller(self):
+        wrapper = body((ROOT / "examples/companion_radio/main.cpp").read_text(),
+                       "bool handleCompanionWirelessCommand(")
+        with tempfile.TemporaryDirectory() as directory:
+            source = Path(directory) / "no_wireless.cpp"
+            source.write_text(HARNESS.replace("@WRAPPER@", wrapper))
+            for compact in (0, 1):
+                binary = Path(directory) / f"check-{compact}"
+                command = [os.environ.get("CXX", "g++"), "-std=c++17", "-O1",
+                           "-Wall", "-Wextra", "-Werror", "-DSTM32_PLATFORM=1",
+                           f"-DMESH_CLI_COMPACT_REPLIES={compact}",
+                           "-I", str(ROOT / "src"), "-I", str(ROOT),
+                           str(source), "-o", str(binary)]
+                if os.name != "nt":
+                    command[1:1] = ["-fsanitize=address,undefined",
+                                    "-fno-sanitize-recover=all", "-fno-pie", "-no-pie"]
+                subprocess.run(command, check=True, timeout=60)
+                subprocess.run([str(binary)], check=True, timeout=30)
+
+    def test_wireless_capabilities_keep_the_full_controller(self):
+        wrapper = body((ROOT / "examples/companion_radio/main.cpp").read_text(),
+                       "bool handleCompanionWirelessCommand(")
+        with tempfile.TemporaryDirectory() as directory:
+            source = Path(directory) / "guard.cpp"
+            source.write_text('#include <helpers/WirelessControl.h>\n'
+                              '#include "examples/companion_radio/CompanionWireless.h"\n'
+                              + wrapper)
+            for flags, compact in (
+                (["-DSTM32_PLATFORM=1"], True),
+                (["-DSTM32_PLATFORM=1", "-DMESH_PRIMARY_ESPNOW=0"], True),
+                (["-DSTM32_PLATFORM=1", "-DBLE_PIN_CODE=123456"], False),
+                (["-DSTM32_PLATFORM=1", "-DWIFI_SSID=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DMESH_PRIMARY_ESPNOW=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DWITH_BRIDGE=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DWITH_MQTT_BRIDGE=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DWITH_UDP_BRIDGE=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DWITH_ESPNOW_BRIDGE=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DWITH_WEBCONFIG=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DETHERNET_ENABLED=1"], False),
+                (["-DSTM32_PLATFORM=1", "-DMESH_ENABLE_EMERGENCY_POWER=1"], False),
+                ([], False),
+            ):
+                with self.subTest(flags=flags):
+                    result = subprocess.run(
+                        [os.environ.get("CXX", "g++"), "-std=c++17", "-E", "-P",
+                         *flags, "-I", str(ROOT / "src"), "-I", str(ROOT), str(source)],
+                        check=True, capture_output=True, text=True, timeout=60)
+                    self.assertEqual("return mesh::wireless::handleNoServices(" in result.stdout, compact)
+                    self.assertEqual("return mesh::wireless::control().handle(" in result.stdout, not compact)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/test/test_companion_reader.py b/test/test_companion_reader.py
index 7f162175e..0ed69a279 100644
--- a/test/test_companion_reader.py
+++ b/test/test_companion_reader.py
@@ -78,7 +78,7 @@ class CompanionReaderTest(unittest.TestCase):
                 "#pragma once\n#include <stdint.h>\n#include <stddef.h>\n#include <stdio.h>\n#include <string.h>\n"
                 "class Stream { public: virtual size_t write(const uint8_t*,size_t);size_t print(const char*); };\n")
             flags = ["-mcpu=cortex-m4", "-mthumb", "-Oz", "-fno-inline-small-functions",
-                     "-fstack-usage", "-DNRF52_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1",
+                     "-fstack-usage", "-DNRF52_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1", "-DCOMPANION_FEATURE_READER=1",
                      "-DENABLE_USB_INTERFACE=1", "-I" + str(directory),
                      "-I" + str(ROOT / "src"), "-I" + str(FIXTURE)]
             if compact:
@@ -239,7 +239,7 @@ class CompanionReaderTest(unittest.TestCase):
         with tempfile.TemporaryDirectory(prefix="meshcore-reader-") as directory:
             directory = Path(directory)
             for platform, compact in (("ESP32_PLATFORM", False), ("NRF52_PLATFORM", False), ("NRF52_PLATFORM", True)):
-                flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"]
+                flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1", "-DCOMPANION_FEATURE_READER=1"]
                 if compact:
                     flags.append("-DCOMPANION_READER_COMPACT_STREAM=1")
                 obj, binary = directory / "tinf.o", directory / "reader.exe"
@@ -264,7 +264,7 @@ class CompanionReaderTest(unittest.TestCase):
             self.skipTest("host G++ required")
         for platform, compact, expected in (("NRF52_PLATFORM", False, 3), ("NRF52_PLATFORM", True, 0),
                                              ("ESP32_PLATFORM", True, None)):
-            flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"]
+            flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1", "-DCOMPANION_FEATURE_READER=1"]
             if compact:
                 flags.append("-DCOMPANION_READER_COMPACT_STREAM=1")
             result = self.run_checked([cxx, "-E", "-P", *flags,
@@ -280,6 +280,8 @@ class CompanionReaderTest(unittest.TestCase):
             self.skipTest("host G++ required")
         for flags in ([], ["-DESP32_PLATFORM=1"], ["-DNRF52_PLATFORM=1"],
                       ["-DESP32_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1"],
+                      ["-DESP32_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"],
+                      ["-DNRF52_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"],
                       ["-DESP32_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1",
                        "-DENABLE_USB_INTERFACE=1", "-DCOMPANION_FEATURE_READER=0"]):
             result = self.run_checked([cxx, "-E", "-P", *flags,
@@ -448,7 +450,7 @@ int main() {
             generated = directory / "dispatch.cpp"
             generated.write_text(harness)
             for platform in ("ESP32_PLATFORM", "NRF52_PLATFORM"):
-                flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"]
+                flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1", "-DCOMPANION_FEATURE_READER=1"]
                 obj, binary = directory / "tinf.o", directory / "dispatch.exe"
                 self.run_checked([cc, "-std=c11", "-Os", *flags, "-c",
                                   str(ROOT / "src/helpers/ota/OtaTinf.c"), "-o", str(obj)])
@@ -465,7 +467,7 @@ int main() {
             self.skipTest("host GCC and G++ required")
         with tempfile.TemporaryDirectory(prefix="meshcore-reader-reader-") as directory:
             directory = Path(directory)
-            flags = ["-DNRF52_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"]
+            flags = ["-DNRF52_PLATFORM=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1", "-DCOMPANION_FEATURE_READER=1"]
             obj, binary = directory / "tinf.o", directory / "reader.exe"
             self.run_checked([cc, "-Os", *flags, "-c", str(ROOT / "src/helpers/ota/OtaTinf.c"),
                               "-o", str(obj)])
@@ -582,7 +584,7 @@ int main() {
             generated = directory / "interlock.cpp"
             generated.write_text(harness)
             for platform in ("ESP32_PLATFORM", "NRF52_PLATFORM"):
-                flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1"]
+                flags = [f"-D{platform}=1", "-DCOMPANION_RADIO_FULL=1", "-DENABLE_USB_INTERFACE=1", "-DCOMPANION_FEATURE_READER=1"]
                 obj, binary = directory / "tinf.o", directory / "interlock.exe"
                 self.run_checked([cc, "-std=c11", "-Os", *flags, "-c",
                                   str(ROOT / "src/helpers/ota/OtaTinf.c"), "-o", str(obj)])
@@ -594,7 +596,11 @@ int main() {
 
     def test_reader_button_routing_and_profile_gate(self):
         ui = (ROOT / "examples/companion_radio/ui-new/UITask.cpp").read_text(encoding="utf-8")
-        long_press = ui[ui.index("char UITask::handleLongPress("):]
+        home = extract_braced(ui, "class HomeScreen")
+        short_press = extract_braced(home, "bool handleInput(char c) override")
+        self.assertNotIn("showReader(", short_press)
+        long_press = extract_braced(ui, "char UITask::handleLongPress(")
+        self.assertRegex(long_press, r"if\s*\(c\s*==\s*KEY_ENTER[\s\S]*?isRadioPage\(\)\)\s*\{\s*showReader\(\)")
         self.assertLess(long_press.index("isReaderActive()"), long_press.index("enterCLIRescue()"))
         self.assertLess(long_press.index("isRadioPage()"), long_press.index("enterCLIRescue()"))
         self.assertIn("#if COMPANION_FEATURE_READER\n#include \"ReaderScreen.h\"", ui)
diff --git a/test/test_lr2021_calibration.py b/test/test_lr2021_calibration.py
index 38b9e33fe..3d541e1bf 100644
--- a/test/test_lr2021_calibration.py
+++ b/test/test_lr2021_calibration.py
@@ -2,12 +2,13 @@
 
 from pathlib import Path
 import os
+import re
 import shutil
 import subprocess
 import tempfile
 import unittest
 
-from cpp_source import body
+from cpp_source import body, _uncommented
 from test_display_power import FS_STUB
 
 
@@ -349,9 +350,11 @@ class LR2021CalibrationTests(unittest.TestCase):
     def test_all_cli_roles_load_before_init_and_service_pending(self):
         for role in ("simple_repeater", "simple_room_server", "simple_sensor", "companion_radio"):
             source = (ROOT / "examples" / role / "main.cpp").read_text()
-            setup = body(source, "void setup()")
+            setup = _uncommented(body(source, "void setup()"))
             with self.subTest(role=role):
-                self.assertLess(setup.index("loadLR2021CalibrationSettings("), setup.index("radio_init()"))
+                init = re.search(r"\bwhile\s*\([^\n;]*\bradio_init\s*\(\s*\)", setup)
+                self.assertIsNotNone(init, "startup must initialize the radio")
+                self.assertLess(setup.index("loadLR2021CalibrationSettings("), init.start())
                 self.assertIn("loopLR2021CalibrationSettings(radio_driver)", source)
                 self.assertIn("#if defined(USE_LR2021)", source)
 
diff --git a/test/test_pocket_reader.py b/test/test_pocket_reader.py
index dad6a82d9..1be14c0ac 100644
--- a/test/test_pocket_reader.py
+++ b/test/test_pocket_reader.py
@@ -31,7 +31,7 @@ class PocketReaderTest(unittest.TestCase):
             self.assertIsNotNone(font)
             selected = directory / "font.c"
             selected.write_text('#include "u8g2_fonts.h"\n' + font.group())
-            flags = ["-g", "-O1", "-DHELTEC_MESH_POCKET=1", "-DCOMPANION_RADIO_FULL=1",
+            flags = ["-g", "-O1", "-DHELTEC_MESH_POCKET=1", "-DCOMPANION_RADIO_FULL=1", "-DCOMPANION_FEATURE_READER=1",
                      "-DNRF52_PLATFORM=1", "-DENABLE_USB_INTERFACE=1", "-DUI_POCKET_GUI=1",
                      "-DUI_SMALL_MESSAGE_FONT=0", "-DUI_BUTTON_READER_HINT=1", "-DUI_READER_TOUCH_BAR=0",
                      "-I" + str(FIXTURE), "-I" + str(ROOT / "src"), "-I" + str(ROOT),
diff --git a/test/test_stm32_wireless_specialization.py b/test/test_stm32_wireless_specialization.py
new file mode 100644
index 000000000..8b19a5a7c
--- /dev/null
+++ b/test/test_stm32_wireless_specialization.py
@@ -0,0 +1,46 @@
+"""The STM32WL no-service shortcut must not mask any wireless owner."""
+from pathlib import Path
+import shutil
+import subprocess
+import unittest
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class Stm32WirelessSpecializationTest(unittest.TestCase):
+    def test_only_plain_stm32wl_uses_no_service_handler(self):
+        compiler = shutil.which("gcc")
+        if not compiler:
+            self.skipTest("host GCC required")
+        source = (ROOT / "src/helpers/CommonCLI.cpp").read_text()
+        anchor = source.index("if (handleBeaconCommand(command, reply, 157))")
+        start = source.index("#if defined(STM32_PLATFORM) && defined(STM32WLxx)", anchor)
+        end = source.index("#endif", start) + len("#endif")
+        branch = source[start:end]
+        base = ("STM32_PLATFORM", "STM32WLxx", "USE_STM32WL")
+        cases = [(base, True),
+                 (base[:-1], False),
+                 (("ESP32_PLATFORM",), False),
+                 (base + ("WITH_WEBCONFIG",), False),
+                 (base + ("WITH_MQTT_BRIDGE",), False),
+                 (base + ("WITH_UDP_BRIDGE",), False),
+                 (base + ("WITH_ESPNOW_BRIDGE",), False),
+                 (base + ("WITH_BRIDGE",), False),
+                 (base + ("ETHERNET_ENABLED",), False),
+                 (base + ("BLE_PIN_CODE=123456",), False),
+                 (base + ("WIFI_SSID=custom",), False),
+                 (base + ("MESH_PRIMARY_ESPNOW=1",), False),
+                 (base + ("MESH_ENABLE_EMERGENCY_POWER=1",), False)]
+        for defines, expected in cases:
+            with self.subTest(defines=defines):
+                result = subprocess.run([compiler, "-E", "-P", "-x", "c", "-",
+                                         *("-D" + value for value in defines)],
+                                        input=branch, text=True, capture_output=True,
+                                        check=True)
+                self.assertEqual("handleNoServices" in result.stdout, expected)
+                self.assertEqual("control().handle" in result.stdout, not expected)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/test/test_webconfig_gzip.py b/test/test_webconfig_gzip.py
index f2379ad23..d98d7b7c2 100644
--- a/test/test_webconfig_gzip.py
+++ b/test/test_webconfig_gzip.py
@@ -50,7 +50,12 @@ class WebConfigGzipTest(unittest.TestCase):
         self.assertIn("gzip, 1000 iterations", header)
         blobs = arrays(header)
         for page in (ROOT / "webui/pages").glob("*.html"):
-            self.assertEqual(gzip.decompress(blobs["MESH_HTML_" + page.stem.upper()]), page.read_bytes())
+            expected = page.read_bytes()
+            if page.name == "elegant_ota_compact.html":
+                marker = b"/* MESH_SPARK_MD5 */"
+                self.assertEqual(expected.count(marker), 1)
+                expected = expected.replace(marker, (ROOT / "webui/vendor/spark-md5-3.0.2.min.js").read_bytes())
+            self.assertEqual(gzip.decompress(blobs["MESH_HTML_" + page.stem.upper()]), expected)
 
     def test_loader_matches_legacy_android_browser_syntax(self):
         blobs = arrays((ROOT / "src/helpers/esp32/WebConfigHtml.h").read_text())
diff --git a/tools/bible/README.md b/tools/bible/README.md
index 56e6ad2f2..b7c636fe0 100644
--- a/tools/bible/README.md
+++ b/tools/bible/README.md
@@ -1,7 +1,9 @@
 # Offline Reader lookup
 
-ESP32 and nRF52 **Full Companion** USB terminals (and the ESP32 TCP terminal)
-include an embedded 879-verse corpus from the World English Bible:
+Reader is disabled in standard Companion builds to preserve flash space. A
+custom ESP32 or nRF52 **Full Companion** USB build can enable it with
+`COMPANION_FEATURE_READER=1`. The USB terminal (and ESP32 TCP terminal) then
+includes an embedded 879-verse corpus from the World English Bible:
 
 ```text
 get reader 3:16
@@ -23,7 +25,7 @@ last verse of a range. An optional page number refers to the first verse in
 that command: `get reader 21:17 2`. No radio request can access the reader.
 No WiFi, phone, API key, filesystem
 space or bootloader update is needed. Reduced/ordinary Companion and other
-roles omit the corpus. `COMPANION_FEATURE_READER=0` excludes it from a Full build.
+roles omit the corpus; the opt-in requires a Full Companion USB build.
 
 ## On-device Reader
 
diff --git a/variants/lilygo_tbeam_universal/platformio.ini b/variants/lilygo_tbeam_universal/platformio.ini
index 50cb07b9a..1f585e434 100644
--- a/variants/lilygo_tbeam_universal/platformio.ini
+++ b/variants/lilygo_tbeam_universal/platformio.ini
@@ -158,6 +158,7 @@ build_flags =
   -fno-partial-inlining
   -mno-target-align
   -D MESH_UNIVERSAL_LTO=1
+  -D MESH_COMPACT_ELEGANT_OTA=1 ; full authenticated OTA protocol, smaller page
   -D ADVERT_NAME='"T-Beam MQTT Observer"'
   -D ADVERT_LAT=0.0
   -D ADVERT_LON=0.0
@@ -201,6 +202,7 @@ build_flags =
   -fno-partial-inlining
   -mno-target-align
   -D MESH_UNIVERSAL_LTO=1
+  -D MESH_COMPACT_ELEGANT_OTA=1 ; full authenticated OTA protocol, smaller page
   -D ADVERT_NAME='"T-Beam Room Observer"'
   -D ADVERT_LAT=0.0
   -D ADVERT_LON=0.0
diff --git a/webui/pages/elegant_ota_compact.html b/webui/pages/elegant_ota_compact.html
new file mode 100644
index 000000000..6bb11289e
--- /dev/null
+++ b/webui/pages/elegant_ota_compact.html
@@ -0,0 +1,53 @@
+<!doctype html>
+<html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
+<title>MeshCore OTA</title><style>
+body{font:16px sans-serif;max-width:38rem;margin:2rem auto;padding:0 1rem;line-height:1.45}
+fieldset{margin:1rem 0}button,input{font:inherit}button{padding:.5rem 1rem}progress{width:100%}
+#status{white-space:pre-wrap;overflow-wrap:anywhere}
+</style></head><body>
+<h1>MeshCore OTA</h1><p id="identity">Reading device identity…</p>
+<fieldset><legend>Update type</legend>
+<label><input type="radio" name="type" value="firmware" checked> Firmware</label>
+<label><input type="radio" name="type" value="filesystem"> Filesystem</label></fieldset>
+<label for="file">Image (.bin or .bin.gz)</label><br><input id="file" type="file" accept=".bin,.bin.gz"><br>
+<button type="button" id="upload">Upload</button>
+<progress id="progress" max="100" value="0" hidden></progress><p id="status" role="status"></p>
+<script>/* spark-md5 3.0.2, André Cruz, (MIT OR WTFPL); see webui/vendor. */
+/* MESH_SPARK_MD5 */
+</script><script>
+(function(){
+  var input=document.getElementById('file'),button=document.getElementById('upload');
+  var status=document.getElementById('status'),progress=document.getElementById('progress');
+  var modes=document.querySelectorAll('input[name="type"]');
+  function setBusy(busy){button.disabled=busy;input.disabled=busy;for(var i=0;i<modes.length;i++)modes[i].disabled=busy;}
+  function finish(message){status.textContent=message;setBusy(false);}
+  fetch('/update/identity',{cache:'no-store'}).then(function(response){
+    if(!response.ok)throw Error('Identity unavailable');return response.json();
+  }).then(function(identity){
+    document.getElementById('identity').textContent=(identity.id||'MeshCore')+' · '+(identity.hardware||'ESP32');
+  }).catch(function(){document.getElementById('identity').textContent='Device identity unavailable';});
+  button.onclick=function(){
+    var file=input.files&&input.files[0];
+    if(!file||!file.size){finish('Select a nonempty image.');return;}
+    var type=document.querySelector('input[name="type"]:checked').value;
+    var md5=new SparkMD5.ArrayBuffer(),reader=new FileReader(),offset=0,chunk=262144;
+    setBusy(true);progress.hidden=false;progress.value=0;
+    status.textContent='Calculating checksum…';
+    reader.onerror=function(){finish('Could not read the selected file.');};
+    reader.onload=function(event){
+      md5.append(event.target.result);offset+=event.target.result.byteLength;
+      if(offset<file.size){readNext();return;}
+      var form=new FormData(),request=new XMLHttpRequest();
+      form.append('MD5',md5.end());form.append(type,file,type);
+      request.open('POST','/update');request.withCredentials=true;
+      request.upload.onprogress=function(event){if(event.lengthComputable){progress.value=Math.round(event.loaded*100/event.total);status.textContent='Uploading '+progress.value+'%';}};
+      request.onload=function(){finish(request.status===200?'Update complete; the device will reboot.':'Upload failed (HTTP '+request.status+'): '+request.responseText);};
+      request.onerror=function(){finish('Upload failed; check the connection and retry.');};
+      request.onabort=function(){finish('Upload cancelled.');};
+      request.send(form);
+    };
+    function readNext(){reader.readAsArrayBuffer(file.slice(offset,Math.min(file.size,offset+chunk)));}
+    readNext();
+  };
+})();
+</script></body></html>
diff --git a/webui/vendor/README.md b/webui/vendor/README.md
new file mode 100644
index 000000000..71da273c3
--- /dev/null
+++ b/webui/vendor/README.md
@@ -0,0 +1,7 @@
+`spark-md5-3.0.2.min.js` is SparkMD5 3.0.2 by André Cruz, from
+https://github.com/satazor/js-spark-md5/tree/v3.0.2. Its package metadata
+offers either WTFPL or MIT; MeshCore uses the MIT option. The upstream WTFPL
+license is also retained alongside the file.
+
+SHA-256: `d80e84c820cc5587a0ba3c8a20652099ea3fa7fc43944e812e56d449c1d9f1c9`.
+The OTA page embeds this file locally; it never downloads scripts at runtime.
diff --git a/webui/vendor/spark-md5-3.0.2.LICENSE.txt b/webui/vendor/spark-md5-3.0.2.LICENSE.txt
new file mode 100644
index 000000000..20553dda3
--- /dev/null
+++ b/webui/vendor/spark-md5-3.0.2.LICENSE.txt
@@ -0,0 +1,13 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2015 André Cruz <amdfcruz@gmail.com>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
diff --git a/webui/vendor/spark-md5-3.0.2.MIT.txt b/webui/vendor/spark-md5-3.0.2.MIT.txt
new file mode 100644
index 000000000..de62c9482
--- /dev/null
+++ b/webui/vendor/spark-md5-3.0.2.MIT.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2015 André Cruz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/webui/vendor/spark-md5-3.0.2.min.js b/webui/vendor/spark-md5-3.0.2.min.js
new file mode 100644
index 000000000..2ef527dd4
--- /dev/null
+++ b/webui/vendor/spark-md5-3.0.2.min.js
@@ -0,0 +1 @@
+(function(factory){if(typeof exports==="object"){module.exports=factory()}else if(typeof define==="function"&&define.amd){define(factory)}else{var glob;try{glob=window}catch(e){glob=self}glob.SparkMD5=factory()}})(function(undefined){"use strict";var add32=function(a,b){return a+b&4294967295},hex_chr=["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"];function cmn(q,a,b,x,s,t){a=add32(add32(a,q),add32(x,t));return add32(a<<s|a>>>32-s,b)}function md5cycle(x,k){var a=x[0],b=x[1],c=x[2],d=x[3];a+=(b&c|~b&d)+k[0]-680876936|0;a=(a<<7|a>>>25)+b|0;d+=(a&b|~a&c)+k[1]-389564586|0;d=(d<<12|d>>>20)+a|0;c+=(d&a|~d&b)+k[2]+606105819|0;c=(c<<17|c>>>15)+d|0;b+=(c&d|~c&a)+k[3]-1044525330|0;b=(b<<22|b>>>10)+c|0;a+=(b&c|~b&d)+k[4]-176418897|0;a=(a<<7|a>>>25)+b|0;d+=(a&b|~a&c)+k[5]+1200080426|0;d=(d<<12|d>>>20)+a|0;c+=(d&a|~d&b)+k[6]-1473231341|0;c=(c<<17|c>>>15)+d|0;b+=(c&d|~c&a)+k[7]-45705983|0;b=(b<<22|b>>>10)+c|0;a+=(b&c|~b&d)+k[8]+1770035416|0;a=(a<<7|a>>>25)+b|0;d+=(a&b|~a&c)+k[9]-1958414417|0;d=(d<<12|d>>>20)+a|0;c+=(d&a|~d&b)+k[10]-42063|0;c=(c<<17|c>>>15)+d|0;b+=(c&d|~c&a)+k[11]-1990404162|0;b=(b<<22|b>>>10)+c|0;a+=(b&c|~b&d)+k[12]+1804603682|0;a=(a<<7|a>>>25)+b|0;d+=(a&b|~a&c)+k[13]-40341101|0;d=(d<<12|d>>>20)+a|0;c+=(d&a|~d&b)+k[14]-1502002290|0;c=(c<<17|c>>>15)+d|0;b+=(c&d|~c&a)+k[15]+1236535329|0;b=(b<<22|b>>>10)+c|0;a+=(b&d|c&~d)+k[1]-165796510|0;a=(a<<5|a>>>27)+b|0;d+=(a&c|b&~c)+k[6]-1069501632|0;d=(d<<9|d>>>23)+a|0;c+=(d&b|a&~b)+k[11]+643717713|0;c=(c<<14|c>>>18)+d|0;b+=(c&a|d&~a)+k[0]-373897302|0;b=(b<<20|b>>>12)+c|0;a+=(b&d|c&~d)+k[5]-701558691|0;a=(a<<5|a>>>27)+b|0;d+=(a&c|b&~c)+k[10]+38016083|0;d=(d<<9|d>>>23)+a|0;c+=(d&b|a&~b)+k[15]-660478335|0;c=(c<<14|c>>>18)+d|0;b+=(c&a|d&~a)+k[4]-405537848|0;b=(b<<20|b>>>12)+c|0;a+=(b&d|c&~d)+k[9]+568446438|0;a=(a<<5|a>>>27)+b|0;d+=(a&c|b&~c)+k[14]-1019803690|0;d=(d<<9|d>>>23)+a|0;c+=(d&b|a&~b)+k[3]-187363961|0;c=(c<<14|c>>>18)+d|0;b+=(c&a|d&~a)+k[8]+1163531501|0;b=(b<<20|b>>>12)+c|0;a+=(b&d|c&~d)+k[13]-1444681467|0;a=(a<<5|a>>>27)+b|0;d+=(a&c|b&~c)+k[2]-51403784|0;d=(d<<9|d>>>23)+a|0;c+=(d&b|a&~b)+k[7]+1735328473|0;c=(c<<14|c>>>18)+d|0;b+=(c&a|d&~a)+k[12]-1926607734|0;b=(b<<20|b>>>12)+c|0;a+=(b^c^d)+k[5]-378558|0;a=(a<<4|a>>>28)+b|0;d+=(a^b^c)+k[8]-2022574463|0;d=(d<<11|d>>>21)+a|0;c+=(d^a^b)+k[11]+1839030562|0;c=(c<<16|c>>>16)+d|0;b+=(c^d^a)+k[14]-35309556|0;b=(b<<23|b>>>9)+c|0;a+=(b^c^d)+k[1]-1530992060|0;a=(a<<4|a>>>28)+b|0;d+=(a^b^c)+k[4]+1272893353|0;d=(d<<11|d>>>21)+a|0;c+=(d^a^b)+k[7]-155497632|0;c=(c<<16|c>>>16)+d|0;b+=(c^d^a)+k[10]-1094730640|0;b=(b<<23|b>>>9)+c|0;a+=(b^c^d)+k[13]+681279174|0;a=(a<<4|a>>>28)+b|0;d+=(a^b^c)+k[0]-358537222|0;d=(d<<11|d>>>21)+a|0;c+=(d^a^b)+k[3]-722521979|0;c=(c<<16|c>>>16)+d|0;b+=(c^d^a)+k[6]+76029189|0;b=(b<<23|b>>>9)+c|0;a+=(b^c^d)+k[9]-640364487|0;a=(a<<4|a>>>28)+b|0;d+=(a^b^c)+k[12]-421815835|0;d=(d<<11|d>>>21)+a|0;c+=(d^a^b)+k[15]+530742520|0;c=(c<<16|c>>>16)+d|0;b+=(c^d^a)+k[2]-995338651|0;b=(b<<23|b>>>9)+c|0;a+=(c^(b|~d))+k[0]-198630844|0;a=(a<<6|a>>>26)+b|0;d+=(b^(a|~c))+k[7]+1126891415|0;d=(d<<10|d>>>22)+a|0;c+=(a^(d|~b))+k[14]-1416354905|0;c=(c<<15|c>>>17)+d|0;b+=(d^(c|~a))+k[5]-57434055|0;b=(b<<21|b>>>11)+c|0;a+=(c^(b|~d))+k[12]+1700485571|0;a=(a<<6|a>>>26)+b|0;d+=(b^(a|~c))+k[3]-1894986606|0;d=(d<<10|d>>>22)+a|0;c+=(a^(d|~b))+k[10]-1051523|0;c=(c<<15|c>>>17)+d|0;b+=(d^(c|~a))+k[1]-2054922799|0;b=(b<<21|b>>>11)+c|0;a+=(c^(b|~d))+k[8]+1873313359|0;a=(a<<6|a>>>26)+b|0;d+=(b^(a|~c))+k[15]-30611744|0;d=(d<<10|d>>>22)+a|0;c+=(a^(d|~b))+k[6]-1560198380|0;c=(c<<15|c>>>17)+d|0;b+=(d^(c|~a))+k[13]+1309151649|0;b=(b<<21|b>>>11)+c|0;a+=(c^(b|~d))+k[4]-145523070|0;a=(a<<6|a>>>26)+b|0;d+=(b^(a|~c))+k[11]-1120210379|0;d=(d<<10|d>>>22)+a|0;c+=(a^(d|~b))+k[2]+718787259|0;c=(c<<15|c>>>17)+d|0;b+=(d^(c|~a))+k[9]-343485551|0;b=(b<<21|b>>>11)+c|0;x[0]=a+x[0]|0;x[1]=b+x[1]|0;x[2]=c+x[2]|0;x[3]=d+x[3]|0}function md5blk(s){var md5blks=[],i;for(i=0;i<64;i+=4){md5blks[i>>2]=s.charCodeAt(i)+(s.charCodeAt(i+1)<<8)+(s.charCodeAt(i+2)<<16)+(s.charCodeAt(i+3)<<24)}return md5blks}function md5blk_array(a){var md5blks=[],i;for(i=0;i<64;i+=4){md5blks[i>>2]=a[i]+(a[i+1]<<8)+(a[i+2]<<16)+(a[i+3]<<24)}return md5blks}function md51(s){var n=s.length,state=[1732584193,-271733879,-1732584194,271733878],i,length,tail,tmp,lo,hi;for(i=64;i<=n;i+=64){md5cycle(state,md5blk(s.substring(i-64,i)))}s=s.substring(i-64);length=s.length;tail=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];for(i=0;i<length;i+=1){tail[i>>2]|=s.charCodeAt(i)<<(i%4<<3)}tail[i>>2]|=128<<(i%4<<3);if(i>55){md5cycle(state,tail);for(i=0;i<16;i+=1){tail[i]=0}}tmp=n*8;tmp=tmp.toString(16).match(/(.*?)(.{0,8})$/);lo=parseInt(tmp[2],16);hi=parseInt(tmp[1],16)||0;tail[14]=lo;tail[15]=hi;md5cycle(state,tail);return state}function md51_array(a){var n=a.length,state=[1732584193,-271733879,-1732584194,271733878],i,length,tail,tmp,lo,hi;for(i=64;i<=n;i+=64){md5cycle(state,md5blk_array(a.subarray(i-64,i)))}a=i-64<n?a.subarray(i-64):new Uint8Array(0);length=a.length;tail=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];for(i=0;i<length;i+=1){tail[i>>2]|=a[i]<<(i%4<<3)}tail[i>>2]|=128<<(i%4<<3);if(i>55){md5cycle(state,tail);for(i=0;i<16;i+=1){tail[i]=0}}tmp=n*8;tmp=tmp.toString(16).match(/(.*?)(.{0,8})$/);lo=parseInt(tmp[2],16);hi=parseInt(tmp[1],16)||0;tail[14]=lo;tail[15]=hi;md5cycle(state,tail);return state}function rhex(n){var s="",j;for(j=0;j<4;j+=1){s+=hex_chr[n>>j*8+4&15]+hex_chr[n>>j*8&15]}return s}function hex(x){var i;for(i=0;i<x.length;i+=1){x[i]=rhex(x[i])}return x.join("")}if(hex(md51("hello"))!=="5d41402abc4b2a76b9719d911017c592"){add32=function(x,y){var lsw=(x&65535)+(y&65535),msw=(x>>16)+(y>>16)+(lsw>>16);return msw<<16|lsw&65535}}if(typeof ArrayBuffer!=="undefined"&&!ArrayBuffer.prototype.slice){(function(){function clamp(val,length){val=val|0||0;if(val<0){return Math.max(val+length,0)}return Math.min(val,length)}ArrayBuffer.prototype.slice=function(from,to){var length=this.byteLength,begin=clamp(from,length),end=length,num,target,targetArray,sourceArray;if(to!==undefined){end=clamp(to,length)}if(begin>end){return new ArrayBuffer(0)}num=end-begin;target=new ArrayBuffer(num);targetArray=new Uint8Array(target);sourceArray=new Uint8Array(this,begin,num);targetArray.set(sourceArray);return target}})()}function toUtf8(str){if(/[\u0080-\uFFFF]/.test(str)){str=unescape(encodeURIComponent(str))}return str}function utf8Str2ArrayBuffer(str,returnUInt8Array){var length=str.length,buff=new ArrayBuffer(length),arr=new Uint8Array(buff),i;for(i=0;i<length;i+=1){arr[i]=str.charCodeAt(i)}return returnUInt8Array?arr:buff}function arrayBuffer2Utf8Str(buff){return String.fromCharCode.apply(null,new Uint8Array(buff))}function concatenateArrayBuffers(first,second,returnUInt8Array){var result=new Uint8Array(first.byteLength+second.byteLength);result.set(new Uint8Array(first));result.set(new Uint8Array(second),first.byteLength);return returnUInt8Array?result:result.buffer}function hexToBinaryString(hex){var bytes=[],length=hex.length,x;for(x=0;x<length-1;x+=2){bytes.push(parseInt(hex.substr(x,2),16))}return String.fromCharCode.apply(String,bytes)}function SparkMD5(){this.reset()}SparkMD5.prototype.append=function(str){this.appendBinary(toUtf8(str));return this};SparkMD5.prototype.appendBinary=function(contents){this._buff+=contents;this._length+=contents.length;var length=this._buff.length,i;for(i=64;i<=length;i+=64){md5cycle(this._hash,md5blk(this._buff.substring(i-64,i)))}this._buff=this._buff.substring(i-64);return this};SparkMD5.prototype.end=function(raw){var buff=this._buff,length=buff.length,i,tail=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],ret;for(i=0;i<length;i+=1){tail[i>>2]|=buff.charCodeAt(i)<<(i%4<<3)}this._finish(tail,length);ret=hex(this._hash);if(raw){ret=hexToBinaryString(ret)}this.reset();return ret};SparkMD5.prototype.reset=function(){this._buff="";this._length=0;this._hash=[1732584193,-271733879,-1732584194,271733878];return this};SparkMD5.prototype.getState=function(){return{buff:this._buff,length:this._length,hash:this._hash.slice()}};SparkMD5.prototype.setState=function(state){this._buff=state.buff;this._length=state.length;this._hash=state.hash;return this};SparkMD5.prototype.destroy=function(){delete this._hash;delete this._buff;delete this._length};SparkMD5.prototype._finish=function(tail,length){var i=length,tmp,lo,hi;tail[i>>2]|=128<<(i%4<<3);if(i>55){md5cycle(this._hash,tail);for(i=0;i<16;i+=1){tail[i]=0}}tmp=this._length*8;tmp=tmp.toString(16).match(/(.*?)(.{0,8})$/);lo=parseInt(tmp[2],16);hi=parseInt(tmp[1],16)||0;tail[14]=lo;tail[15]=hi;md5cycle(this._hash,tail)};SparkMD5.hash=function(str,raw){return SparkMD5.hashBinary(toUtf8(str),raw)};SparkMD5.hashBinary=function(content,raw){var hash=md51(content),ret=hex(hash);return raw?hexToBinaryString(ret):ret};SparkMD5.ArrayBuffer=function(){this.reset()};SparkMD5.ArrayBuffer.prototype.append=function(arr){var buff=concatenateArrayBuffers(this._buff.buffer,arr,true),length=buff.length,i;this._length+=arr.byteLength;for(i=64;i<=length;i+=64){md5cycle(this._hash,md5blk_array(buff.subarray(i-64,i)))}this._buff=i-64<length?new Uint8Array(buff.buffer.slice(i-64)):new Uint8Array(0);return this};SparkMD5.ArrayBuffer.prototype.end=function(raw){var buff=this._buff,length=buff.length,tail=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],i,ret;for(i=0;i<length;i+=1){tail[i>>2]|=buff[i]<<(i%4<<3)}this._finish(tail,length);ret=hex(this._hash);if(raw){ret=hexToBinaryString(ret)}this.reset();return ret};SparkMD5.ArrayBuffer.prototype.reset=function(){this._buff=new Uint8Array(0);this._length=0;this._hash=[1732584193,-271733879,-1732584194,271733878];return this};SparkMD5.ArrayBuffer.prototype.getState=function(){var state=SparkMD5.prototype.getState.call(this);state.buff=arrayBuffer2Utf8Str(state.buff);return state};SparkMD5.ArrayBuffer.prototype.setState=function(state){state.buff=utf8Str2ArrayBuffer(state.buff,true);return SparkMD5.prototype.setState.call(this,state)};SparkMD5.ArrayBuffer.prototype.destroy=SparkMD5.prototype.destroy;SparkMD5.ArrayBuffer.prototype._finish=SparkMD5.prototype._finish;SparkMD5.ArrayBuffer.hash=function(arr,raw){var hash=md51_array(new Uint8Array(arr)),ret=hex(hash);return raw?hexToBinaryString(ret):ret};return SparkMD5});