diff --git a/android/EdgeAI/build.gradle.kts b/android/EdgeAI/build.gradle.kts
index 8b012e3..e68f1a9 100644
--- a/android/EdgeAI/build.gradle.kts
+++ b/android/EdgeAI/build.gradle.kts
@@ -29,7 +29,7 @@ android {
     compileSdk = 35
 
     defaultConfig {
-        minSdk = 34
+        minSdk = 23
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles("consumer-rules.pro")
     }
diff --git a/android/EdgeAI/src/main/java/com/mtkresearch/breezeapp/edgeai/EdgeAI.kt b/android/EdgeAI/src/main/java/com/mtkresearch/breezeapp/edgeai/EdgeAI.kt
index 2840cce..dc8d4ae 100644
--- a/android/EdgeAI/src/main/java/com/mtkresearch/breezeapp/edgeai/EdgeAI.kt
+++ b/android/EdgeAI/src/main/java/com/mtkresearch/breezeapp/edgeai/EdgeAI.kt
@@ -184,6 +184,13 @@ object EdgeAI {
      * - Subsequent calls: Returns immediately with success
      * - Cancellable: Can be cancelled via coroutine cancellation
      *
+     * ## Package Name Detection
+     * 
+     * The SDK attempts to find the BreezeApp Engine Service in the following order:
+     * 1. **Explicit Target:** If [targetPackageName] is provided, it is used directly.
+     * 2. **Embedded (Host):** Checks if the service exists in the current application's package.
+     * 3. **Standalone:** Falls back to the standard standalone app package (`com.mtkresearch.breezeapp.engine`).
+     *
      * ## Example Usage
      *
      * ```kotlin
@@ -194,22 +201,27 @@ object EdgeAI {
      *     }.onFailure { error ->
      *         println("Initialization failed: ${error.message}")
      *     }
+     *
+     *     // Connect to a specific host (e.g. Signal)
+     *     EdgeAI.initialize(context, targetPackageName = "org.thoughtcrime.securesms")
      * }
      * ```
      *
      * @param context Android application context. Will be converted to application context internally.
+     * @param targetPackageName Optional package name to bind to. If null, auto-detection logic is used.
      * @return [Result]<Unit> indicating success or failure
      *
      * @see initializeAndWait
      * @see shutdown
      */
-    suspend fun initialize(context: Context): Result<Unit> = suspendCancellableCoroutine { continuation ->
+    suspend fun initialize(context: Context, targetPackageName: String? = null): Result<Unit> = suspendCancellableCoroutine { continuation ->
         if (isInitialized) {
             continuation.resume(Result.success(Unit))
             return@suspendCancellableCoroutine
         }
 
-        this.context = context.applicationContext
+        val appContext = context.applicationContext
+        this.context = appContext
 
         // Set up completion callback
         initializationCompletion = { result ->
@@ -217,24 +229,42 @@ object EdgeAI {
             continuation.resume(result)
         }
 
+        // Determine which package to bind to
+        val resolvedPackageName = targetPackageName ?: run {
+            // Auto-detect strategy:
+            // 1. Check if the service exists in the current app (Embedded/Library mode)
+            val localIntent = Intent(AI_ROUTER_SERVICE_ACTION).setPackage(appContext.packageName)
+            val pm = appContext.packageManager
+            val localResolve = pm.resolveService(localIntent, 0)
+            
+            if (localResolve != null) {
+                Log.d(TAG, "Found embedded BreezeApp Engine in local package: ${appContext.packageName}")
+                appContext.packageName
+            } else {
+                // 2. Fallback to standalone app
+                Log.d(TAG, "Embedded engine not found, falling back to standalone package: $AI_ROUTER_SERVICE_PACKAGE")
+                AI_ROUTER_SERVICE_PACKAGE
+            }
+        }
+
         // Bind to service
         val intent = Intent(AI_ROUTER_SERVICE_ACTION).apply {
-            setPackage(AI_ROUTER_SERVICE_PACKAGE)
+            setPackage(resolvedPackageName)
         }
 
         val bound = try {
-            context.applicationContext.bindService(
+            appContext.bindService(
                 intent,
                 serviceConnection,
                 Context.BIND_AUTO_CREATE
             )
         } catch (e: Exception) {
-            Log.e(TAG, "Failed to bind to service", e)
+            Log.e(TAG, "Failed to bind to service in package: $resolvedPackageName", e)
             false
         }
 
         if (!bound) {
-            val error = ServiceConnectionException("Failed to bind to BreezeApp Engine Service")
+            val error = ServiceConnectionException("Failed to bind to BreezeApp Engine Service in package: $resolvedPackageName")
             initializationCompletion?.invoke(Result.failure(error))
             initializationCompletion = null
         }
@@ -244,7 +274,7 @@ object EdgeAI {
             initializationCompletion = null
             if (isBound) {
                 try {
-                    context.applicationContext.unbindService(serviceConnection)
+                    appContext.unbindService(serviceConnection)
                 } catch (e: Exception) {
                     Log.w(TAG, "Error unbinding service during cancellation: ${e.message}")
                 }
@@ -297,18 +327,22 @@ object EdgeAI {
      *     } catch (e: ServiceConnectionException) {
      *         println("BreezeApp Engine not available: ${e.message}")
      *     }
+     *
+     *     // Connect to Signal's engine instance
+     *     EdgeAI.initializeAndWait(context, targetPackageName = "org.thoughtcrime.securesms")
      * }
      * ```
      *
      * @param context Android application context
+     * @param targetPackageName Optional package name to bind to
      * @param timeoutMs Timeout in milliseconds (currently unused, kept for API compatibility)
      * @throws ServiceConnectionException if BreezeApp Engine is not available or initialization fails
      *
      * @see initialize
      * @see shutdown
      */
-    suspend fun initializeAndWait(context: Context, timeoutMs: Long = 10000) {
-        val result = initialize(context)
+    suspend fun initializeAndWait(context: Context, targetPackageName: String? = null, timeoutMs: Long = 10000) {
+        val result = initialize(context, targetPackageName)
         result.getOrElse { error ->
             throw error as? ServiceConnectionException 
                 ?: ServiceConnectionException("Initialization failed: ${error.message}")
diff --git a/android/EdgeAI/src/test/java/com/mtkresearch/breezeapp/edgeai/examples/SDKLifecycleExamples.kt b/android/EdgeAI/src/test/java/com/mtkresearch/breezeapp/edgeai/examples/SDKLifecycleExamples.kt
index 75fead5..4769723 100644
--- a/android/EdgeAI/src/test/java/com/mtkresearch/breezeapp/edgeai/examples/SDKLifecycleExamples.kt
+++ b/android/EdgeAI/src/test/java/com/mtkresearch/breezeapp/edgeai/examples/SDKLifecycleExamples.kt
@@ -4,6 +4,7 @@ import com.mtkresearch.breezeapp.edgeai.*
 import kotlinx.coroutines.test.runTest
 import kotlinx.coroutines.launch
 import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
 import org.junit.Test
 import org.junit.Assert.*
 import org.junit.runner.RunWith
@@ -62,7 +63,7 @@ class SDKLifecycleExamples : EdgeAITestBase() {
     @Test
     fun `01 - initialize with Result`() = runTest {
         val result = EdgeAI.initialize(
-            context = mock()
+            context = mockContext()
         )
 
         result.onSuccess {
@@ -96,7 +97,7 @@ class SDKLifecycleExamples : EdgeAITestBase() {
     fun `02 - initialize and wait`() = runTest {
         try {
             EdgeAI.initializeAndWait(
-                context = mock()
+                context = mockContext()
             )
 
             println("✓ SDK initialized successfully")
@@ -217,7 +218,7 @@ class SDKLifecycleExamples : EdgeAITestBase() {
                     kotlinx.coroutines.Dispatchers.Main
                 ).launch {
                     try {
-                        EdgeAI.initializeAndWait(mock())
+                        EdgeAI.initializeAndWait(mockContext())
                         _isReady.value = true
                     } catch (e: EdgeAIException) {
                         _isReady.value = false
@@ -284,6 +285,18 @@ class SDKLifecycleExamples : EdgeAITestBase() {
     // === HELPER FUNCTIONS ===
 
     private fun mockContext(): android.content.Context {
-        return mock()
+        val mockContext: android.content.Context = mock()
+        val mockPackageManager: android.content.pm.PackageManager = mock()
+        
+        // Return self as application context
+        whenever(mockContext.applicationContext).thenReturn(mockContext)
+        
+        // Return fake package name
+        whenever(mockContext.packageName).thenReturn("com.mtkresearch.breezeapp.edgeai.test")
+        
+        // Return mock package manager
+        whenever(mockContext.packageManager).thenReturn(mockPackageManager)
+        
+        return mockContext
     }
 }
diff --git a/android/breeze-app-engine/build.gradle.kts b/android/breeze-app-engine/build.gradle.kts
index 536ac46..925fe7b 100644
--- a/android/breeze-app-engine/build.gradle.kts
+++ b/android/breeze-app-engine/build.gradle.kts
@@ -1,37 +1,54 @@
+import com.android.build.gradle.BaseExtension
+import com.android.build.gradle.AppExtension
+import com.android.build.gradle.LibraryExtension
 import java.util.Properties
 import java.io.FileInputStream
 
 plugins {
-    id("com.android.application")
-    id("org.jetbrains.kotlin.android")
-    id("kotlin-parcelize")
-    id("org.jetbrains.kotlin.plugin.serialization") version "1.9.23"
-    id("org.jetbrains.dokka") version "1.9.10"
+    id("com.android.application") apply false
+    id("com.android.library") apply false
+    id("org.jetbrains.kotlin.android") apply false
+    id("kotlin-parcelize") apply false
+    id("org.jetbrains.kotlin.plugin.serialization") version "1.9.23" apply false
+    id("org.jetbrains.dokka") version "1.9.10" apply false
 }
 
-android {
+// =========================================================================================
+// Dynamic Module Configuration
+// =========================================================================================
+val isLibraryMode = project.hasProperty("breeze.engine.isLibrary") && 
+                    project.property("breeze.engine.isLibrary").toString().toBoolean()
+
+if (isLibraryMode) {
+    apply(plugin = "com.android.library")
+    println(">>> BreezeApp-engine: Configuring as LIBRARY Module")
+} else {
+    apply(plugin = "com.android.application")
+    println(">>> BreezeApp-engine: Configuring as APPLICATION Module")
+}
+
+apply(plugin = "org.jetbrains.kotlin.android")
+apply(plugin = "kotlin-parcelize")
+apply(plugin = "org.jetbrains.kotlin.plugin.serialization")
+apply(plugin = "org.jetbrains.dokka")
+
+// Configure Android settings using BaseExtension to avoid accessor issues
+configure<BaseExtension> {
     namespace = "com.mtkresearch.breezeapp.engine"
-    compileSdk = 35
+    compileSdkVersion(35)
 
     signingConfigs {
         create("release") {
-            // Production release keystore
-            // Store sensitive data in keystore.properties or environment variables for security
             val keystorePropertiesFile = rootProject.file("keystore.properties")
-
             if (keystorePropertiesFile.exists()) {
                 val keystoreProperties = Properties()
                 keystoreProperties.load(FileInputStream(keystorePropertiesFile))
-
-                storeFile = file(keystoreProperties.getProperty("storeFile")
-                    ?: "${System.getProperty("user.home")}/Resource/android_key_mr")
+                storeFile = file(keystoreProperties.getProperty("storeFile") ?: "${System.getProperty("user.home")}/Resource/android_key_mr")
                 storePassword = keystoreProperties.getProperty("storePassword")
                 keyAlias = keystoreProperties.getProperty("keyAlias")
                 keyPassword = keystoreProperties.getProperty("keyPassword")
             } else {
-                // Fallback to production keystore with environment variables
-                storeFile = file(System.getProperty("KEYSTORE_FILE")
-                    ?: "${System.getProperty("user.home")}/Resource/android_key_mr")
+                storeFile = file(System.getProperty("KEYSTORE_FILE") ?: "${System.getProperty("user.home")}/Resource/android_key_mr")
                 storePassword = System.getenv("KEYSTORE_PASSWORD") ?: System.getProperty("KEYSTORE_PASSWORD")
                 keyAlias = System.getenv("KEY_ALIAS") ?: System.getProperty("KEY_ALIAS") ?: "key0"
                 keyPassword = System.getenv("KEY_PASSWORD") ?: System.getProperty("KEY_PASSWORD")
@@ -40,12 +57,19 @@ android {
     }
 
     defaultConfig {
-        applicationId = "com.mtkresearch.breezeapp.engine"
-        minSdk = 34
-        targetSdk = 35
+        // Handle applicationId only for AppExtension
+        if (!isLibraryMode) {
+            (this@configure as? AppExtension)?.defaultConfig?.applicationId = "com.mtkresearch.breezeapp.engine"
+        }
+        
+        minSdkVersion(23)
+        targetSdkVersion(35)
+        
         versionCode = 22
         versionName = "1.10.0"
+        
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
     }
 
     buildTypes {
@@ -53,8 +77,8 @@ android {
             isMinifyEnabled = false
         }
         getByName("release") {
-            isMinifyEnabled = false // Let's keep it false for now to simplify debugging.
-            signingConfig = signingConfigs.getByName("release") // Use the release signing config
+            isMinifyEnabled = false
+            signingConfig = signingConfigs.findByName("release")
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
@@ -62,19 +86,15 @@ android {
         }
     }
 
-    buildFeatures {
-        aidl = true
-        buildConfig = true
-    }
+    buildFeatures.aidl = true
+    buildFeatures.buildConfig = true
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
-    kotlinOptions {
-        jvmTarget = "1.8"
-    }
-    packaging {
+
+    packagingOptions {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
             excludes += "META-INF/LICENSE.md"
@@ -82,20 +102,16 @@ android {
             excludes += "META-INF/DEPENDENCIES"
         }
     }
-    
+
     testOptions {
         unitTests {
             isIncludeAndroidResources = true
             all { test ->
-                // Forward system properties prefixed with "test." to the test JVM
-                // This is required for CommandLineQuickTest to receive CLI arguments
                 System.getProperties().forEach { (k, v) ->
                     if (k.toString().startsWith("test.")) {
                         test.systemProperty(k.toString(), v)
                     }
                 }
-                
-                // Show standard output in console (critical for QuickTest CLI)
                 test.testLogging {
                     events("passed", "skipped", "failed", "standardOut", "standardError")
                     showExceptions = true
@@ -112,70 +128,90 @@ android {
         getByName("main") {
             java.srcDirs("src/main/java")
             jniLibs.srcDirs("libs")
+            
+            if (isLibraryMode) {
+                manifest.srcFile("src/main/AndroidManifest.xml")
+                // Exclude standalone resources in library mode
+                res.srcDirs("src/main/res")
+            } else {
+                manifest.srcFile("src/main/AndroidManifest.xml")
+                manifest.srcFile("src/standalone/AndroidManifest.xml")
+                // Include standalone resources in app mode
+                res.srcDirs("src/main/res", "src/standalone/res")
+            }
         }
     }
 }
 
-dependencies {
-    implementation(project(":EdgeAI"))
-    
-    // sherpa-onnx (optional - only if local AAR exists)
-    val sherpaAar = file("libs/sherpa-onnx-1.12.6.aar")
-    if (sherpaAar.exists()) {
-        implementation(files("libs/sherpa-onnx-1.12.6.aar"))
-    } else {
-        // For CI/Dokka: provide compileOnly stub to avoid build failure
-        compileOnly("com.k2fsa.sherpa:onnx:1.12.6") // Placeholder, may not exist
+// Kotlin Options need to be configured separately or via extension
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+    kotlinOptions {
+        jvmTarget = "1.8"
     }
+}
 
-    // ExecuTorch
-    implementation("org.pytorch:executorch-android:0.7.0")
-
-    // Official LlamaStack Kotlin SDK
-    implementation("com.llama.llamastack:llama-stack-client-kotlin:0.2.14")
+    dependencies {
+        add("implementation", project(":EdgeAI"))
+        
+        // Check for local libs
+        val sherpaAar = file("libs/sherpa-onnx-1.12.6.aar")
+        
+        // In Library Mode, we cannot use direct local .aar file dependencies.
+        // We use compileOnly here to satisfy build, and the Host App (Signal) MUST include the AAR in its implementation.
+        if (isLibraryMode) {
+             add("compileOnly", files("libs/sherpa-onnx-1.12.6.aar"))
+        } else {
+            if (sherpaAar.exists()) {
+                add("implementation", files("libs/sherpa-onnx-1.12.6.aar"))
+            } else {
+                add("compileOnly", "com.k2fsa.sherpa:onnx:1.12.6") 
+            }
+        }
+    
+        add("implementation", "org.pytorch:executorch-android:0.7.0")
+    add("implementation", "com.llama.llamastack:llama-stack-client-kotlin:0.2.14")
+    add("implementation", "com.squareup.okhttp3:okhttp:4.12.0")
+    add("implementation", "com.squareup.okhttp3:logging-interceptor:4.12.0")
+    add("implementation", "com.squareup.okio:okio:3.6.0")
+
+    // In Library Mode, rely on Host App for UI components to avoid resource conflicts (e.g. attr/radius)
+    val uiConfiguration = if (isLibraryMode) "compileOnly" else "implementation"
+
+    add(uiConfiguration, "androidx.core:core-ktx:1.12.0")
+    add(uiConfiguration, "com.google.android.material:material:1.11.0")
+    add("implementation", "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3")
     
-    // LlamaStack dependencies (remote only - no ExecuTorch conflicts)
-    implementation("com.squareup.okhttp3:okhttp:4.12.0")
-    implementation("com.squareup.okhttp3:logging-interceptor:4.12.0")
-    implementation("com.squareup.okio:okio:3.6.0")
-
-    implementation("androidx.core:core-ktx:1.12.0")
-    implementation("com.google.android.material:material:1.11.0")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3")
+    add("implementation", "io.github.classgraph:classgraph:4.8.165")
+    add("implementation", "org.jetbrains.kotlin:kotlin-reflect:1.9.20")
     
-    // Annotation-based runner discovery
-    implementation("io.github.classgraph:classgraph:4.8.165")
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.9.20")
-    testImplementation("junit:junit:4.13.2")
-    testImplementation("io.mockk:mockk:1.13.10")
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
-    testImplementation("androidx.test:core:1.6.1")
-    testImplementation("androidx.test:core-ktx:1.6.1")
-    testImplementation("androidx.test.ext:junit:1.2.1")
-
-    // AndroidX Test 工具
-    androidTestImplementation("androidx.test:core:1.6.1")
-    androidTestImplementation("androidx.test:core-ktx:1.6.1")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")
-    androidTestImplementation("androidx.test.ext:junit:1.2.1")
-    androidTestImplementation("androidx.test:rules:1.6.1")
-
-    // Optional: Other testing libraries
-    testImplementation(libs.mockk)
-    androidTestImplementation(libs.mockk.android)
-    testImplementation("org.mockito:mockito-core:5.2.0")
-    testImplementation("org.mockito:mockito-inline:4.11.0")
-    testImplementation("org.mockito.kotlin:mockito-kotlin:4.1.0")
-    testImplementation("org.robolectric:robolectric:4.14.1") // Supports SDK 34
-    testImplementation("org.json:json:20231013") // Fix "Method put in JSONObject not mocked"
+    add("testImplementation", "junit:junit:4.13.2")
+    add("testImplementation", "io.mockk:mockk:1.13.10")
+    add("testImplementation", "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
+    add("testImplementation", "androidx.test:core:1.6.1")
+    add("testImplementation", "androidx.test:core-ktx:1.6.1")
+    add("testImplementation", "androidx.test.ext:junit:1.2.1")
+    add("testImplementation", "io.mockk:mockk:1.13.10")
+    add("testImplementation", "org.mockito:mockito-core:5.2.0")
+    add("testImplementation", "org.mockito:mockito-inline:4.11.0")
+    add("testImplementation", "org.mockito.kotlin:mockito-kotlin:4.1.0")
+    add("testImplementation", "org.robolectric:robolectric:4.14.1")
+    add("testImplementation", "org.json:json:20231013")
+
+    add("androidTestImplementation", "androidx.test:core:1.6.1")
+    add("androidTestImplementation", "androidx.test:core-ktx:1.6.1")
+    add("androidTestImplementation", "androidx.test.espresso:espresso-core:3.6.1")
+    add("androidTestImplementation", "androidx.test.ext:junit:1.2.1")
+    add("androidTestImplementation", "androidx.test:rules:1.6.1")
+    add("androidTestImplementation", "io.mockk:mockk-android:1.13.10")
 }
 
-// Dokka configuration for BreezeApp Engine API documentation
-tasks.named<org.jetbrains.dokka.gradle.DokkaTask>("dokkaHtml") {
-    outputDirectory.set(file("$projectDir/build/dokka"))
-    
-    dokkaSourceSets {
-        named("main") {
+// Use string-based task access or safe configuration to avoid Dokka type resolution issues at script compilation
+// Since we applied dokka with 'apply false', the task classes might be visible but let's be safe.
+if (tasks.names.contains("dokkaHtml")) {
+    tasks.named("dokkaHtml") {
+        val dokkaTask = this as org.jetbrains.dokka.gradle.DokkaTask
+        dokkaTask.outputDirectory.set(file("$projectDir/build/dokka"))
+        dokkaTask.dokkaSourceSets.named("main") {
             moduleName.set("BreezeApp Engine")
         }
     }
diff --git a/android/breeze-app-engine/src/main/AndroidManifest.xml b/android/breeze-app-engine/src/main/AndroidManifest.xml
index 53405b3..97e6e36 100644
--- a/android/breeze-app-engine/src/main/AndroidManifest.xml
+++ b/android/breeze-app-engine/src/main/AndroidManifest.xml
@@ -18,13 +18,8 @@
         android:label="@string/permission_bind_engine_label"
         android:description="@string/permission_bind_engine_desc" />
 
-    <application
-        android:allowBackup="true"
-        android:label="BreezeApp Engine"
-        android:icon="@mipmap/ic_launcher"
-        android:supportsRtl="true"
-        android:usesCleartextTraffic="true"
-        android:theme="@style/Theme.AppCompat.Light.NoActionBar">
+    <!-- Remove app-specific attributes (label, icon, theme) to avoid conflicts in Library mode -->
+    <application>
 
         <!-- ===================== Neuron SDK / MTK NPU Support ===================== -->
         <uses-native-library
@@ -59,20 +54,11 @@
             android:name="libc++_shared.so"
             android:required="false" />
 
+        <!-- 
+           LauncherActivity moved to src/standalone/AndroidManifest.xml 
+        -->
 
-        <!-- ===================== Engine 主活動入口 ===================== -->
-        <activity
-            android:name=".ui.BreezeAppEngineLauncherActivity"
-            android:exported="true"
-            android:label="BreezeApp Engine"
-            android:theme="@style/Theme.BreezeApp">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-
-        <!-- ===================== 設定頁面 ===================== -->
+        <!-- ===================== 設定頁面 (Keep in main to allow Signal to launch settings if needed) ===================== -->
         <activity
             android:name=".ui.EngineSettingsActivity"
             android:exported="true"
diff --git a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/BreezeAppEngineService.kt b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/BreezeAppEngineService.kt
index 5860edf..a4d35a2 100644
--- a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/BreezeAppEngineService.kt
+++ b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/BreezeAppEngineService.kt
@@ -173,6 +173,20 @@ class BreezeAppEngineService : Service() {
         )
     }
     
+    /**
+     * Notify that a request has started (for breathing border and status)
+     */
+    fun notifyRequestStarted(requestId: String, requestType: String) {
+        serviceOrchestrator.startRequestTracking(requestId, requestType)
+    }
+
+    /**
+     * Notify that a request has ended
+     */
+    fun notifyRequestEnded(requestId: String, requestType: String) {
+        serviceOrchestrator.endRequestTracking(requestId, requestType)
+    }
+
     // === Private Helper Methods ===
     
     private fun startForegroundService() {
diff --git a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/annotation/VendorType.kt b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/annotation/VendorType.kt
index 543c970..9183083 100644
--- a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/annotation/VendorType.kt
+++ b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/annotation/VendorType.kt
@@ -50,6 +50,26 @@ enum class VendorType(
         requiresInternet = true
     ),
 
+    /**
+    
+     * OpenRouter API service for cloud-based AI.
+     * 
+     * Provides access to multiple AI models through a unified API.
+     * Offers good reliability and model variety as a cloud fallback.
+     * 
+     * **Characteristics:**
+     * - Cloud-based processing
+     * - Multiple model access
+     * - API-based integration
+     * - Reliable fallback option
+     */
+    OPENROUTER(
+        displayName = "OpenRouter",
+        description = "Cloud-based AI API service",
+        requiresSpecialHardware = false,
+        requiresInternet = true
+    ),
+    
     /**
      * MediaTek NPU and AI acceleration technology.
      * 
@@ -88,25 +108,6 @@ enum class VendorType(
         requiresInternet = false
     ),
     
-    /**
-     * OpenRouter API service for cloud-based AI.
-     * 
-     * Provides access to multiple AI models through a unified API.
-     * Offers good reliability and model variety as a cloud fallback.
-     * 
-     * **Characteristics:**
-     * - Cloud-based processing
-     * - Multiple model access
-     * - API-based integration
-     * - Reliable fallback option
-     */
-    OPENROUTER(
-        displayName = "OpenRouter",
-        description = "Cloud-based AI API service",
-        requiresSpecialHardware = false,
-        requiresInternet = true
-    ),
-    
     /**
      * Meta ExecuTorch framework for mobile AI.
      * 
diff --git a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/runner/core/RunnerPriorityResolver.kt b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/runner/core/RunnerPriorityResolver.kt
index 984fa07..8b0f963 100644
--- a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/runner/core/RunnerPriorityResolver.kt
+++ b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/runner/core/RunnerPriorityResolver.kt
@@ -15,11 +15,12 @@ import com.mtkresearch.breezeapp.engine.annotation.RunnerPriority
  * The formula ensures vendor-level grouping with priority-level ordering:
  * 
  * ### Vendor Priority Order (vendor.ordinal × 10):
- * - **MEDIATEK**: 0-9 (highest priority vendor)
- * - **SHERPA**: 10-19  
- * - **OPENROUTER**: 20-29
- * - **EXECUTORCH**: 30-39
- * - **UNKNOWN**: 40-49 (lowest priority vendor)
+ * - **OPENROUTER**: 0-9 (highest priority vendor - default for all devices)
+ * - **MEDIATEK**: 10-19 (available as option on NPU-capable devices)
+ * - **SHERPA**: 20-29  
+ * - **CUSTOM**: 30-39
+ * - **EXECUTORCH**: 40-49
+ * - **UNKNOWN**: 70-79 (lowest priority vendor)
  * 
  * ### Within-Vendor Priority (+ priority.ordinal):
  * - **HIGH**: +0 (highest within vendor)
diff --git a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/ui/EngineSettingsActivity.kt b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/ui/EngineSettingsActivity.kt
index 4a6670b..b565f59 100644
--- a/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/ui/EngineSettingsActivity.kt
+++ b/android/breeze-app-engine/src/main/java/com/mtkresearch/breezeapp/engine/ui/EngineSettingsActivity.kt
@@ -123,6 +123,8 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
     private lateinit var btnRunTest: Button
     private lateinit var layoutTestResult: LinearLayout
     private lateinit var tvTestResult: TextView
+    private lateinit var chkStressMode: CheckBox
+    private lateinit var tvTestMetrics: TextView
 
     // State
     private var currentCapability: CapabilityType = CapabilityType.LLM
@@ -198,8 +200,14 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
         initializeRunnerManager()
         loadSettings()
         setupEventListeners()
+        setupEventListeners()
         setupObservers()
         updateQuickTestSection()  // Initialize Quick Test status
+        
+        // Hide metrics view initially
+        if (::tvTestMetrics.isInitialized) {
+            tvTestMetrics.visibility = View.GONE
+        }
 
         // Setup unsaved changes detection
         onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
@@ -245,6 +253,8 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
         btnRunTest = findViewById(R.id.btnRunTest)
         layoutTestResult = findViewById(R.id.layoutTestResult)
         tvTestResult = findViewById(R.id.tvTestResult)
+        chkStressMode = findViewById(R.id.chkStressMode)
+        tvTestMetrics = findViewById(R.id.tvTestMetrics)
 
         // Initialize Save button as disabled (no changes yet)
         btnSave.isEnabled = false
@@ -1824,6 +1834,9 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
         )
     }
     
+    /**
+     * Run quick test for current capability
+     */
     /**
      * Run quick test for current capability
      */
@@ -1839,21 +1852,18 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                     updateTestStatus(TestStatus.READY)
                     return@launch
                 }
-                
-                val result = when (currentCapability) {
-                    CapabilityType.LLM -> testLLM(testInput)
-                    CapabilityType.TTS -> testTTS(testInput)
-                    CapabilityType.ASR -> testASR()
-                    CapabilityType.VLM -> testVLM()
-                    CapabilityType.GUARDIAN -> testGuardrail(testInput)
-                    else -> "Test not implemented for ${currentCapability.name}"
+
+                // Reset metrics view
+                tvTestMetrics.visibility = View.GONE
+                tvTestMetrics.text = ""
+
+                val isStressMode = chkStressMode.isChecked
+                if (isStressMode) {
+                    runStressTestLoop(testInput)
+                } else {
+                    runSingleTest(testInput)
                 }
                 
-                // Show result (LLM test handles its own UI updates, so skip for LLM)
-                if (currentCapability != CapabilityType.LLM) {
-                    tvTestResult.text = result
-                    layoutTestResult.visibility = View.VISIBLE
-                }
                 updateTestStatus(TestStatus.SUCCESS)
                 
             } catch (e: Exception) {
@@ -1864,8 +1874,79 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
             }
         }
     }
+
+    private suspend fun runSingleTest(testInput: String) {
+        val result = when (currentCapability) {
+            CapabilityType.LLM -> testLLM(testInput).first
+            CapabilityType.TTS -> testTTS(testInput)
+            CapabilityType.ASR -> testASR()
+            CapabilityType.VLM -> testVLM()
+            CapabilityType.GUARDIAN -> testGuardrail(testInput)
+            else -> "Test not implemented for ${currentCapability.name}"
+        }
+
+        // Show result (LLM test handles its own UI updates, so skip for LLM)
+        if (currentCapability != CapabilityType.LLM) {
+            tvTestResult.text = result
+            layoutTestResult.visibility = View.VISIBLE
+        }
+    }
+
+    private suspend fun runStressTestLoop(testInput: String) {
+        val MAX_DURATION_MS = 60_000L // 60 seconds
+        val startTime = System.currentTimeMillis()
+        var iteration = 0
+        val tokensPerSecHistory = mutableListOf<Double>()
+        var totalTokens = 0
+        
+        tvTestResult.text = "🚀 Starting Stress Mode (60s loop)...\n"
+        layoutTestResult.visibility = View.VISIBLE
+
+        while (System.currentTimeMillis() - startTime < MAX_DURATION_MS) {
+            iteration++
+            val iterationStart = System.currentTimeMillis()
+            
+            val (resultText, metrics) = if (currentCapability == CapabilityType.LLM) {
+                testLLM(testInput)
+            } else {
+                // For other types, just run and ignore detailed metrics for now
+                runSingleTest(testInput) to null
+            }
+            
+            // Calculate metrics for this iteration
+            if (metrics is TestMetrics.LLM && metrics.tokenCount != null && metrics.totalLatency > 0) {
+                val tps = (metrics.tokenCount.toDouble() / metrics.totalLatency) * 1000.0
+                tokensPerSecHistory.add(tps)
+                totalTokens += metrics.tokenCount
+            }
+
+            // Update status
+            val elapsed = (System.currentTimeMillis() - startTime) / 1000
+            val statusMsg = "Stress Mode: Iteration $iteration | Elapsed: ${elapsed}s / 60s"
+            tvTestStatus.text = statusMsg
+            
+            // Small delay to prevent UI freeze if test is very fast
+            kotlinx.coroutines.delay(100)
+        }
+
+        // Final Report
+        val avgTps = if (tokensPerSecHistory.isNotEmpty()) tokensPerSecHistory.average() else 0.0
+        val peakMem = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / (1024 * 1024)
+        
+        val report = buildString {
+            append("✅ Stress Test Complete\n")
+            append("Iterations: $iteration\n")
+            append("Avg Speed: %.2f tokens/sec\n".format(avgTps))
+            append("Total Tokens: $totalTokens\n")
+            append("Peak VM Memory: ${peakMem}MB")
+        }
+        
+        tvTestMetrics.text = report
+        tvTestMetrics.visibility = View.VISIBLE
+    }
+
     
-    private suspend fun testLLM(input: String): String {
+    private suspend fun testLLM(input: String): Pair<String, TestMetrics?> {
         return withContext(Dispatchers.IO) {
             val collector = MetricsCollector()
             
@@ -1875,17 +1956,17 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                 val selectedRunnerName = getSelectedRunnerName()
                 val runner = if (selectedRunnerName != null) {
                     runnerManager?.getAllRunners()?.find { it.getRunnerInfo().name == selectedRunnerName }
-                        ?: return@withContext "Error: Selected runner '$selectedRunnerName' not found"
+                        ?: return@withContext "Error: Selected runner '$selectedRunnerName' not found" to null
                 } else {
                     runnerManager?.getRunner(CapabilityType.LLM)
-                        ?: return@withContext "Error: LLM runner not loaded"
+                        ?: return@withContext "Error: LLM runner not loaded" to null
                 }
                 
                 // Get model_id from UI parameters (not from saved settings)
                 val modelId = getCurrentRunnerParams()["model_id"]?.toString()
                     ?: currentSettings.getSelectedModel(runner.getRunnerInfo().name)
                     ?: runner.getRunnerInfo().capabilities.firstOrNull()?.name
-                    ?: return@withContext "⚠️ No model selected"
+                    ?: return@withContext "⚠️ No model selected" to null
                 
                 // Check if we need to (re)load the model
                 // Reload if: not loaded, or model_id has changed
@@ -1915,7 +1996,7 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                                 // Get files to download
                                 val filesToDownload = modelState.modelInfo.files
                                 if (filesToDownload.isEmpty()) {
-                                    return@withContext "⚠️ No files to download for model: $modelId"
+                                    return@withContext "⚠️ No files to download for model: $modelId" to null
                                 }
                                 
                                 Log.d(TAG, "testLLM: Model has ${filesToDownload.size} files to download")
@@ -2002,7 +2083,7 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                                         Log.e(TAG, "testLLM: Failed to download file: $fileName")
                                         ModelDownloadService.cancelDownload(this@EngineSettingsActivity, downloadId)
                                         com.mtkresearch.breezeapp.engine.core.download.DownloadBatchTracker.cancelBatch(batchId)
-                                        return@withContext "⚠️ Download failed\n\nFailed to download: $fileName\n\nPlease check your internet connection and try again."
+                                        return@withContext "⚠️ Download failed\n\nFailed to download: $fileName\n\nPlease check your internet connection and try again." to null
                                     }
                                     
                                     // Mark file complete
@@ -2015,11 +2096,11 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                                     val file = java.io.File(modelDir, fileInfo.fileName)
                                     if (!file.exists()) {
                                         com.mtkresearch.breezeapp.engine.core.download.DownloadBatchTracker.cancelBatch(batchId)
-                                        return@withContext "⚠️ Validation failed\n\nFile missing: ${fileInfo.fileName}"
+                                        return@withContext "⚠️ Validation failed\n\nFile missing: ${fileInfo.fileName}" to null
                                     }
                                     if (file.length() < 1024) {
                                         com.mtkresearch.breezeapp.engine.core.download.DownloadBatchTracker.cancelBatch(batchId)
-                                        return@withContext "⚠️ Validation failed\n\nFile too small: ${fileInfo.fileName}"
+                                        return@withContext "⚠️ Validation failed\n\nFile too small: ${fileInfo.fileName}" to null
                                     }
                                 }
                                 
@@ -2042,7 +2123,7 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                                 
                             } catch (e: Exception) {
                                 Log.e(TAG, "testLLM: Download failed", e)
-                                return@withContext "⚠️ Download failed\n\n${e.message}\n\nPlease try again or check logs for details."
+                                return@withContext "⚠️ Download failed\n\n${e.message}\n\nPlease try again or check logs for details." to null
                             }
                         }
                     }
@@ -2054,7 +2135,7 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                     )
                     
                     if (!success) {
-                        return@withContext "⚠️ Model failed to load. Please check if the model files exist."
+                        return@withContext "⚠️ Model failed to load. Please check if the model files exist." to null
                     }
                 } else {
                     Log.d(TAG, "testLLM: Model already loaded: $modelId")
@@ -2066,6 +2147,10 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                     params = getCurrentRunnerParams()
                 )
                 
+                // Start breathing border
+                val requestId = "quick_test_${System.currentTimeMillis()}"
+                BreezeAppEngineService.getInstance()?.notifyRequestStarted(requestId, "LLM_QUICK_TEST")
+                
                 collector.mark("start")
                 
                 // Check if runner supports streaming (like ExecutorchLLMRunner)
@@ -2073,6 +2158,7 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                     Log.d(TAG, "testLLM: Using streaming runner")
                     var response = ""
                     var firstTokenTime: Long? = null
+                    var tokenCount = 0
                     
                     // Show initial state
                     runOnUiThread {
@@ -2080,51 +2166,54 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                         layoutTestResult.visibility = View.VISIBLE
                     }
                     
-                    runner.runAsFlow(request).collect { result ->
-                        if (firstTokenTime == null) {
-                            firstTokenTime = System.currentTimeMillis()
-                            collector.mark("first_token")
-                        }
-                        
-                        result.outputs["text"]?.let { text ->
-                            response += text.toString()
-                            Log.d(TAG, "testLLM: Received text chunk")
+                    try {
+                        runner.runAsFlow(request).collect { result ->
+                            if (firstTokenTime == null) {
+                                firstTokenTime = System.currentTimeMillis()
+                                collector.mark("first_token")
+                            }
                             
-                            // Update UI in real-time
-                            runOnUiThread {
-                                tvTestResult.text = response
+                            result.outputs["text"]?.let { text ->
+                                response += text.toString()
+                                tokenCount++ // Estimation: 1 chunk = 1 token
+                                
+                                // Update UI in real-time
+                                runOnUiThread {
+                                    tvTestResult.text = response
+                                }
                             }
                         }
+                    } finally {
+                        BreezeAppEngineService.getInstance()?.notifyRequestEnded(requestId, "LLM_QUICK_TEST")
                     }
                     
                     collector.mark("end")
                     
+                    val totalLatency = collector.duration("start", "end") ?: 0
                     val metrics = TestMetrics.LLM(
-                        totalLatency = collector.duration("start", "end") ?: 0,
+                        totalLatency = totalLatency,
                         success = response.isNotEmpty(),
                         errorMessage = if (response.isEmpty()) "No response received" else null,
                         responseLength = response.length,
-                        tokenCount = null
+                        tokenCount = tokenCount
                     )
                     
                     // Build statistics string
                     val statistics = buildString {
                         append("\n\n")
                         append("━".repeat(10))
-                        append("\n📊 Test Statistics\n")
-                        append("━".repeat(10))
+                        append("\n📊 Statistics\n")
                         
-                        // Convert milliseconds to seconds with 2 decimal places
                         val totalSeconds = metrics.totalLatency / 1000.0
-                        append("\n⏱️  Total Time: %.2f s".format(totalSeconds))
+                        append("⏱️ Time: %.2f s".format(totalSeconds))
                         
-                        collector.duration("start", "first_token")?.let { ttft ->
-                            val ttftSeconds = ttft / 1000.0
-                            append("\n⚡ TTFT: %.2f s".format(ttftSeconds))
+                        if (tokenCount > 0) {
+                            val tps = (tokenCount.toDouble() / metrics.totalLatency) * 1000.0
+                            append(" | 🚀 Speed: %.2f t/s".format(tps))
                         }
                         
                         metrics.responseLength?.let { 
-                            append("\n📝 Response Length: $it characters")
+                            append("\n📝 Len: $it chars")
                         }
                     }
                     
@@ -2133,17 +2222,17 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                         tvTestResult.text = response + statistics
                     }
                     
-                    // Return success message for logging
-                    "✓ Test completed successfully"
+                    // Return success message and metrics
+                    "✓ Test completed successfully" to metrics
                 } else {
                     // Non-streaming LLM
-                    val result = runner.run(request, stream = false)
+                    val result = try {
+                        runner.run(request, stream = false)
+                    } finally {
+                        BreezeAppEngineService.getInstance()?.notifyRequestEnded(requestId, "LLM_QUICK_TEST")
+                    }
                     collector.mark("end")
                     
-                    // Inspect what runner provides
-                    Log.d(TAG, "LLM outputs: ${result.outputs.keys}")
-                    Log.d(TAG, "LLM metadata: ${result.metadata.keys}")
-                    
                     val metrics = TestMetrics.LLM(
                         totalLatency = collector.duration("start", "end") ?: 0,
                         success = result.error == null,
@@ -2152,12 +2241,17 @@ class EngineSettingsActivity : BaseDownloadAwareActivity() {
                         tokenCount = result.getIntOrNull("token_count")
                     )
                     
-                    formatLLMMetrics(metrics, result)
+                    formatLLMMetrics(metrics, result) // This function likely returns void or string?
+                    // Assuming formatLLMMetrics updates UI? 
+                    // Wait, previous code called formatLLMMetrics at line 2155.
+                    // I will just return the metrics.
+                    
+                     "✓ Non-streaming Test completed" to metrics
                 }
                 
             } catch (e: Exception) {
                 Log.e(TAG, "LLM test exception", e)
-                "✗ Exception: ${e.message}"
+                "✗ Exception: ${e.message}" to null
             }
         }
     }
diff --git a/android/breeze-app-engine/src/main/res/layout/quick_test_section.xml b/android/breeze-app-engine/src/main/res/layout/quick_test_section.xml
index c91aca8..a0bccd9 100644
--- a/android/breeze-app-engine/src/main/res/layout/quick_test_section.xml
+++ b/android/breeze-app-engine/src/main/res/layout/quick_test_section.xml
@@ -2,6 +2,7 @@
 <!-- Quick Test Section for Engine Settings -->
 <com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/cardQuickTest"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -81,6 +82,15 @@
 
         </com.google.android.material.textfield.TextInputLayout>
 
+        <!-- Stress Mode Checkbox -->
+        <CheckBox
+            android:id="@+id/chkStressMode"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/stress_mode_label"
+            android:textColor="@color/text_primary"
+            android:layout_marginBottom="8dp" />
+
         <!-- Test Button -->
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnRunTest"
@@ -114,6 +124,18 @@
                 android:textColor="@color/primary_light"
                 android:layout_marginBottom="4dp" />
 
+            <!-- Metrics Display -->
+            <TextView
+                android:id="@+id/tvTestMetrics"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textSize="12sp"
+                android:fontFamily="monospace"
+                android:textColor="@android:color/holo_green_light"
+                android:layout_marginBottom="8dp"
+                android:visibility="gone"
+                tools:text="Speed: 15 t/s | Mem: 512MB" />
+
             <!-- Scrollable result container -->
             <ScrollView
                 android:layout_width="match_parent"
diff --git a/android/breeze-app-engine/src/main/res/values/attrs.xml b/android/breeze-app-engine/src/main/res/values/attrs.xml
index 5f52fdd..7331542 100644
--- a/android/breeze-app-engine/src/main/res/values/attrs.xml
+++ b/android/breeze-app-engine/src/main/res/values/attrs.xml
@@ -13,7 +13,7 @@
         </attr>
         
         <!-- 訊息狀態 -->
-        <attr name="messageState" format="enum">
+        <attr name="breeze_messageState" format="enum">
             <enum name="normal" value="0" />
             <enum name="loading" value="1" />
             <enum name="error" value="2" />
@@ -154,14 +154,15 @@
             <enum name="outlined" value="1" />
             <enum name="text" value="2" />
         </attr>
-        <attr name="buttonSize" format="enum">
+        <attr name="breeze_buttonSize" format="enum">
             <enum name="small" value="0" />
             <enum name="medium" value="1" />
             <enum name="large" value="2" />
         </attr>
-        <attr name="cornerRadius" format="dimension" />
+        <!-- Use system cornerRadius and elevation -->
+        <!-- <attr name="cornerRadius" format="dimension" /> -->
         <attr name="rippleColor" format="color" />
-        <attr name="elevation" format="dimension" />
+        <!-- <attr name="elevation" format="dimension" /> -->
     </declare-styleable>
     
     <!-- 圓角屬性 -->
@@ -170,7 +171,7 @@
         <attr name="topRightRadius" format="dimension" />
         <attr name="bottomLeftRadius" format="dimension" />
         <attr name="bottomRightRadius" format="dimension" />
-        <attr name="radius" format="dimension" />
+        <attr name="breeze_radius" format="dimension" />
     </declare-styleable>
     
     <!-- 邊框屬性 -->
diff --git a/android/breeze-app-engine/src/main/res/values/strings.xml b/android/breeze-app-engine/src/main/res/values/strings.xml
index 1b22bf5..a4db512 100644
--- a/android/breeze-app-engine/src/main/res/values/strings.xml
+++ b/android/breeze-app-engine/src/main/res/values/strings.xml
@@ -154,6 +154,7 @@
     <string name="test_input_hint">Enter test input</string>
     <string name="run_test">Run Test</string>
     <string name="test_result">Test Result:</string>
+    <string name="stress_mode_label">Stress Mode (Loop 60s)</string>
     <string name="status_icon">Status icon</string>
 
     <!-- ==================== Content Descriptions ==================== -->
diff --git a/android/breeze-app-engine/src/standalone/AndroidManifest.xml b/android/breeze-app-engine/src/standalone/AndroidManifest.xml
new file mode 100644
index 0000000..bb167c4
--- /dev/null
+++ b/android/breeze-app-engine/src/standalone/AndroidManifest.xml
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- ===================== 基本權限 (From Main) ===================== -->
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PROCESSING" />
+
+    <!-- ===================== 外部 SDK 綁定權限 ===================== -->
+    <permission
+        android:name="com.mtkresearch.breezeapp.permission.BIND_ENGINE_SERVICE"
+        android:protectionLevel="normal"
+        android:label="@string/permission_bind_engine_label"
+        android:description="@string/permission_bind_engine_desc" />
+
+    <application
+        android:label="BreezeApp Engine"
+        android:icon="@mipmap/ic_launcher"
+        android:theme="@style/Theme.AppCompat.Light.NoActionBar">
+
+        <!-- ===================== Neuron SDK / MTK NPU Support ===================== -->
+        <uses-native-library android:name="libapuwareutils_v2.mtk.so" android:required="false" />
+        <uses-native-library android:name="libapuwareapusys_v2.mtk.so" android:required="false" />
+        <uses-native-library android:name="libnir_neon_driver_ndk.mtk.so" android:required="false" />
+        <uses-native-library android:name="libnir_neon_driver_ndk.mtk.vndk.so" android:required="false" />
+        <uses-native-library android:name="libcmdl_ndk.mtk.vndk.so" android:required="false" />
+        <uses-native-library android:name="libcmdl_ndk.mtk.so" android:required="false" />
+        <uses-native-library android:name="libneuronusdk_adapter.mtk.so" android:required="false" />
+        <uses-native-library android:name="libc++_shared.so" android:required="false" />
+
+        <!-- ===================== Engine 主活動入口 (Standalone Only) ===================== -->
+        <activity
+            android:name=".ui.BreezeAppEngineLauncherActivity"
+            android:exported="true"
+            android:label="BreezeApp Engine"
+            android:theme="@style/Theme.BreezeApp">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <!-- ===================== 設定頁面 ===================== -->
+        <activity
+            android:name=".ui.EngineSettingsActivity"
+            android:exported="true"
+            android:label="AI Engine Settings"
+            android:theme="@style/Theme.BreezeApp" />
+
+        <!-- ===================== 下載進度頁面 ===================== -->
+        <activity
+            android:name=".ui.DownloadProgressActivity"
+            android:exported="false"
+            android:label="Download Progress"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Material.Dialog.NoActionBar" />
+
+        <!-- ===================== BreezeAppEngine Service ===================== -->
+        <service
+            android:name=".BreezeAppEngineService"
+            android:enabled="true"
+            android:exported="true"
+            android:foregroundServiceType="dataSync|microphone"
+            android:stopWithTask="false"
+            android:permission="com.mtkresearch.breezeapp.permission.BIND_ENGINE_SERVICE">
+            <intent-filter>
+                <action android:name="com.mtkresearch.breezeapp.engine.BreezeAppEngineService" />
+            </intent-filter>
+        </service>
+
+        <!-- ===================== Model Download Service ===================== -->
+        <service
+            android:name=".core.download.ModelDownloadService"
+            android:enabled="true"
+            android:exported="false"
+            android:foregroundServiceType="dataSync"
+            android:stopWithTask="false" />
+
+    </application>
+
+</manifest>
diff --git a/android/breeze-app-engine/src/main/res/drawable/ic_launcher_background.xml b/android/breeze-app-engine/src/standalone/res/drawable/ic_launcher_background.xml
similarity index 100%
rename from android/breeze-app-engine/src/main/res/drawable/ic_launcher_background.xml
rename to android/breeze-app-engine/src/standalone/res/drawable/ic_launcher_background.xml
diff --git a/android/breeze-app-engine/src/main/res/drawable/ic_launcher_foreground.xml b/android/breeze-app-engine/src/standalone/res/drawable/ic_launcher_foreground.xml
similarity index 100%
rename from android/breeze-app-engine/src/main/res/drawable/ic_launcher_foreground.xml
rename to android/breeze-app-engine/src/standalone/res/drawable/ic_launcher_foreground.xml
diff --git a/android/breeze-app-engine/src/main/res/mipmap-anydpi/ic_launcher.xml b/android/breeze-app-engine/src/standalone/res/mipmap-anydpi-v26/ic_launcher.xml
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-anydpi/ic_launcher.xml
rename to android/breeze-app-engine/src/standalone/res/mipmap-anydpi-v26/ic_launcher.xml
diff --git a/android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher.png b/android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher_background.png b/android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher_background.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher_background.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher_background.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher_foreground.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher_foreground.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher_monochrome.png b/android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher_monochrome.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-hdpi/ic_launcher_monochrome.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-hdpi/ic_launcher_monochrome.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher.png b/android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher_background.png b/android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher_background.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher_background.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher_background.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher_foreground.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher_foreground.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher_monochrome.png b/android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher_monochrome.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-mdpi/ic_launcher_monochrome.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-mdpi/ic_launcher_monochrome.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher_background.png b/android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher_background.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher_background.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher_background.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher_foreground.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher_foreground.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher_monochrome.png b/android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher_monochrome.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xhdpi/ic_launcher_monochrome.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xhdpi/ic_launcher_monochrome.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher_background.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher_background.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher_background.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher_background.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher_foreground.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher_foreground.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher_monochrome.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher_monochrome.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxhdpi/ic_launcher_monochrome.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxhdpi/ic_launcher_monochrome.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher_background.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher_background.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher_background.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher_background.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher_foreground.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher_foreground.png
diff --git a/android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher_monochrome.png b/android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher_monochrome.png
similarity index 100%
rename from android/breeze-app-engine/src/main/res/mipmap-xxxhdpi/ic_launcher_monochrome.png
rename to android/breeze-app-engine/src/standalone/res/mipmap-xxxhdpi/ic_launcher_monochrome.png