feat: add product flavors (termux/embedded) with loader-noop module and FlavorModule DI

Introduce Gradle product flavors to separate termux and embedded build variants.
Each flavor provides its own FlavorModule for DI wiring. CI workflows updated
to build termuxRelease specifically.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/android-build.yml

@@ -51,10 +51,10 @@ jobs:
           EOF
 
       - name: Build release APK
-        run: ./gradlew assembleRelease
+        run: ./gradlew assembleTermuxRelease
 
       - name: Upload APK
         uses: actions/upload-artifact@v4
         with:
           name: clawdroid-release-apk
-          path: android/app/build/outputs/apk/release/*.apk
+          path: android/app/build/outputs/apk/termuxRelease/*.apk

.github/workflows/release.yml

@@ -120,16 +120,16 @@ jobs:
           EOF
 
       - name: Build release APK
-        run: ./gradlew assembleRelease
+        run: ./gradlew assembleTermuxRelease
 
       - name: Rename APK with version
         run: |
-          mv app/build/outputs/apk/release/app-release.apk \
-             app/build/outputs/apk/release/clawdroid-${{ inputs.tag }}.apk
+          mv app/build/outputs/apk/termuxRelease/app-termux-release.apk \
+             app/build/outputs/apk/termuxRelease/clawdroid-${{ inputs.tag }}.apk
 
       - name: Upload APK to release
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           gh release upload "${{ inputs.tag }}" \
-            app/build/outputs/apk/release/clawdroid-${{ inputs.tag }}.apk
+            app/build/outputs/apk/termuxRelease/clawdroid-${{ inputs.tag }}.apk

android/app/build.gradle.kts

@@ -49,8 +49,20 @@ android {
         }
     }
 
+    flavorDimensions += "variant"
+    productFlavors {
+        create("termux") { dimension = "variant" }
+        create("embedded") { dimension = "variant" }
+    }
+
     buildFeatures {
         compose = true
+        buildConfig = true
+    }
+
+    sourceSets {
+        getByName("termux") { java.srcDirs("src/termux/java") }
+        getByName("embedded") { java.srcDirs("src/embedded/java") }
     }
 
     compileOptions {
@@ -67,6 +79,8 @@ dependencies {
     implementation(project(":backend:api"))
     implementation(project(":backend:config"))
 
+    "termuxImplementation"(project(":backend:loader-noop"))
+
     implementation(platform(libs.compose.bom))
     implementation(libs.compose.ui)
     implementation(libs.compose.material3)

android/app/src/embedded/java/io/clawdroid/di/FlavorModule.kt

@@ -0,0 +1,10 @@
+package io.clawdroid.di
+
+import io.clawdroid.backend.api.BackendLifecycle
+import io.clawdroid.backend.api.NoopBackendLifecycle
+import org.koin.dsl.module
+
+val flavorModule = module {
+    // Step 13 で EmbeddedBackendLifecycle に差し替え予定
+    single<BackendLifecycle> { NoopBackendLifecycle() }
+}

android/app/src/main/java/io/clawdroid/ClawDroidApp.kt

@@ -7,6 +7,7 @@ import io.clawdroid.backend.config.ConfigApiClient
 import io.clawdroid.backend.config.configModule
 import io.clawdroid.core.data.remote.WebSocketClient
 import io.clawdroid.di.appModule
+import io.clawdroid.di.flavorModule
 import io.clawdroid.receiver.NotificationHelper
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.distinctUntilChanged
@@ -23,7 +24,7 @@ class ClawDroidApp : Application() {
         super.onCreate()
         val koinApp = startKoin {
             androidContext(this@ClawDroidApp)
-            modules(appModule, configModule)
+            modules(appModule, flavorModule, configModule)
         }
         NotificationHelper.createNotificationChannel(this)
 

android/app/src/termux/java/io/clawdroid/di/FlavorModule.kt

@@ -0,0 +1,9 @@
+package io.clawdroid.di
+
+import io.clawdroid.backend.api.BackendLifecycle
+import io.clawdroid.backend.api.NoopBackendLifecycle
+import org.koin.dsl.module
+
+val flavorModule = module {
+    single<BackendLifecycle> { NoopBackendLifecycle() }
+}

android/backend/loader-noop/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    alias(libs.plugins.android.library)
+}
+
+android {
+    namespace = "io.clawdroid.backend.loader.noop"
+    compileSdk = libs.versions.android.compileSdk.get().toInt()
+    defaultConfig { minSdk = libs.versions.android.minSdk.get().toInt() }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+}
+
+dependencies {
+    implementation(project(":backend:api"))
+}

android/backend/loader-noop/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest />

android/settings.gradle.kts

@@ -20,3 +20,4 @@ include(":core:data")
 include(":core:ui")
 include(":backend:api")
 include(":backend:config")
+include(":backend:loader-noop")