Initial version M530 COMMAND - photo video audio backend integration

BUILD_AND_INSTALL_M530.bat

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+@echo off
+setlocal EnableExtensions
+cd /d "%~dp0"
+
+echo =====================================================
+echo   M530 COMMAND MQTT - Field Edition 1.2.1
+echo   Build + Install + Launch
+echo =====================================================
+
+set "SDK=%LOCALAPPDATA%\Android\Sdk"
+set "ADB=%SDK%\platform-tools\adb.exe"
+
+if not exist "%SDK%" (
+  echo ERROR: Android SDK no encontrado en "%SDK%"
+  pause
+  exit /b 1
+)
+if not exist "%ADB%" (
+  echo ERROR: adb.exe no encontrado en "%ADB%"
+  pause
+  exit /b 1
+)
+if not exist "gradlew.bat" (
+  echo ERROR: gradlew.bat no existe en %CD%
+  pause
+  exit /b 1
+)
+
+for /f "tokens=3" %%v in ('java -version 2^>^&1 ^| findstr /i "version"') do set "JVER=%%~v"
+echo Java detectado: %JVER%
+
+echo sdk.dir=%SDK:\=\\%>local.properties
+
+echo.
+echo [1/5] Limpiando y compilando APK...
+call gradlew.bat :app:assembleDebug --no-configuration-cache
+set "BUILD_RC=%ERRORLEVEL%"
+if not "%BUILD_RC%"=="0" goto :error
+
+set "APK=app\build\outputs\apk\debug\app-debug.apk"
+if not exist "%APK%" (
+  echo ERROR: No se genero %APK%
+  goto :error
+)
+
+echo.
+echo [2/5] Verificando dispositivo M530...
+"%ADB%" start-server >nul 2>&1
+"%ADB%" devices
+"%ADB%" get-state 1>nul 2>nul
+if errorlevel 1 (
+  echo ERROR: No hay un dispositivo ADB autorizado.
+  echo Revisa USB Debugging y acepta la autorizacion en el M530.
+  goto :error
+)
+
+echo.
+echo [3/5] Instalando/actualizando M530 COMMAND MQTT...
+"%ADB%" install -r -d "%APK%"
+if errorlevel 1 goto :error
+
+echo.
+echo [4/5] Reiniciando aplicacion...
+"%ADB%" shell am force-stop com.bodycamera.twentyfoulabs
+"%ADB%" shell monkey -p com.bodycamera.twentyfoulabs -c android.intent.category.LAUNCHER 1 >nul
+
+echo.
+echo [5/5] Verificacion de paquete...
+"%ADB%" shell dumpsys package com.bodycamera.twentyfoulabs ^| findstr /i "versionName versionCode"
+
+echo.
+echo =====================================================
+echo INSTALACION COMPLETADA
+ echo Pruebas: F2 FOTO / F4 PTT / F5 VIDEO / F7 SOS
+ echo UI: Video / Foto / SOS / Telemetria / Evidencias / Eventos
+ echo =====================================================
+pause
+exit /b 0
+
+:error
+echo.
+echo BUILD/INSTALL FALLIDO. Copia las ultimas lineas mostradas.
+pause
+exit /b 1