update docs

CLAUDE.md

@@ -610,18 +610,48 @@ rmdir /s /q "Binaries"
 
 **Location**: `D:\Dev\Mosis\MosisVR\Packages\com.omarator.mosissdk\`
 
-#### Build Commands
-
-Build via Unity Editor:
-1. File > Build Settings
-2. Switch Platform to Android
-3. Player Settings > Graphics APIs: Vulkan + OpenGLES3
-4. Build and Run
-
-#### Native Plugin Build
+#### Direct APK Build (Recommended)
 
 ```batch
-:: From Plugins/Android/cpp/
+"C:\Program Files\Unity\Hub\Editor\6000.3.2f1\Editor\Unity.exe" ^
+    -batchmode -quit -nographics ^
+    -projectPath "D:\Dev\Mosis\MosisVR" ^
+    -executeMethod BuildScript.BuildAndroidDirectCI ^
+    -outputPath "D:\Dev\Mosis\Builds\Unity\Android\MosisVR.apk"
+```
+
+#### Export + Gradle Build
+
+For more control, export a Gradle project then build separately:
+
+```batch
+:: Step 1: Export from Unity
+"C:\Program Files\Unity\Hub\Editor\6000.3.2f1\Editor\Unity.exe" ^
+    -batchmode -quit -nographics ^
+    -projectPath "D:\Dev\Mosis\MosisVR" ^
+    -executeMethod BuildScript.BuildAndroidCI ^
+    -export true ^
+    -outputPath "D:\Dev\Mosis\Builds\Unity\Android\MosisVR"
+
+:: Step 2: Build with Gradle
+cd D:\Dev\Mosis\Builds\Unity\Android\MosisVR
+gradle assembleRelease
+:: APK at: launcher\build\outputs\apk\release\launcher-release.apk
+```
+
+#### Unity Editor Manual Build
+
+1. File > Build Settings > Android
+2. Player Settings: IL2CPP, ARM64, Vulkan + OpenGLES3
+3. For direct APK: Uncheck "Export Project", click Build
+4. For export: Check "Export Project", click Export
+
+#### Native Plugin Build (Manual)
+
+The native plugin builds automatically via CMake during Unity's build. To rebuild manually:
+
+```batch
+cd Packages/com.omarator.mosissdk/Plugins/Android/cpp
 cmake -B build -DCMAKE_TOOLCHAIN_FILE=%ANDROID_NDK_HOME%/build/cmake/android.toolchain.cmake ^
     -DANDROID_ABI=arm64-v8a -DANDROID_PLATFORM=android-29
 cmake --build build