0.1.26-alpha release

* refactor: render chat rows from presentation state

* Fix Meshtastic channel sync and add MeshCore CN preset

* Add granular chat notification settings

* Add SD settings backup and restore

* Prepare 0.1.26-alpha release

---------

Co-authored-by: vicliu624 <vicliu@outlook.com>

platform/nrf52/debug/nrf52_debug_console.cpp

@@ -0,0 +1,86 @@
+#include "nrf52_debug_console.h"
+
+#include <Arduino.h>
+#include <cstring>
+#include <stdarg.h>
+#include <stdio.h>
+
+namespace platform::nrf52::debug_console
+{
+namespace
+{
+
+constexpr unsigned long kBaudRate = 115200UL;
+
+bool usbSerialWritable(std::size_t len)
+{
+    return static_cast<bool>(Serial) && Serial.dtr() != 0 && Serial.availableForWrite() >= static_cast<int>(len);
+}
+
+void writeToUsbSerial(const char* text)
+{
+    if (!text)
+    {
+        return;
+    }
+    const std::size_t len = std::strlen(text);
+    if (!usbSerialWritable(len))
+    {
+        return;
+    }
+    Serial.print(text);
+}
+
+void writeToJlinkSerial(const char* text)
+{
+    if (!text)
+    {
+        return;
+    }
+    Serial2.print(text);
+}
+
+} // namespace
+
+void begin()
+{
+    Serial.begin(kBaudRate);
+    Serial2.begin(kBaudRate);
+    delay(80);
+}
+
+void print(const char* text)
+{
+    writeToUsbSerial(text);
+    writeToJlinkSerial(text);
+}
+
+void println()
+{
+    Serial.println();
+    Serial2.println();
+}
+
+void println(const char* text)
+{
+    writeToUsbSerial(text);
+    writeToJlinkSerial(text);
+    println();
+}
+
+void printf(const char* format, ...)
+{
+    if (!format)
+    {
+        return;
+    }
+
+    char buffer[192] = {};
+    va_list args;
+    va_start(args, format);
+    vsnprintf(buffer, sizeof(buffer), format, args);
+    va_end(args);
+    print(buffer);
+}
+
+} // namespace platform::nrf52::debug_console