feat: Samsung lock screen face widget, voice assistant services, PiP mode and gitignore installers

Add Samsung proprietary Face Widget (lock screen/AOD) with terminal status display.
Add voice interaction services (AgentVoiceInteractionService, RecognitionService) for
digital assistant registration. Add PiP mode with voice/expand actions. Add session-state
proxy, voice transcript routes, window controls component. Ignore installers/ directory.

src-tauri/gen/android/app/build.gradle.kts

@@ -45,8 +45,9 @@ android {
             }
         }
         getByName("release") {
+            manifestPlaceholders["usesCleartextTraffic"] = "true"
             signingConfig = signingConfigs.getByName("release")
-            isMinifyEnabled = true
+            isMinifyEnabled = false
             proguardFiles(
                 *fileTree(".") { include("**/*.pro") }
                     .plus(getDefaultProguardFile("proguard-android-optimize.txt"))
@@ -80,7 +81,8 @@ dependencies {
 
 apply(from = "tauri.build.gradle.kts")
 
-// Copy APK to src-tauri/installers after build
+// Copy APK after build: local installers/ + network backup
+// Only the universal signed variant gets copied as agent-ui.apk
 android.applicationVariants.all {
     val variant = this
     variant.outputs.all {
@@ -88,9 +90,36 @@ android.applicationVariants.all {
         variant.assembleProvider.get().doLast {
             val src = output.outputFile
             if (src.exists()) {
-                val dest = file("../../../../installers/AgentUI-${variant.versionName}-${variant.name}.apk")
-                src.copyTo(dest, overwrite = true)
-                println(">> Copied APK to ${dest.absolutePath}")
+                val localDir = file("../../../../installers")
+                localDir.mkdirs()
+
+                // Always save versioned copy per variant
+                val localVersioned = File(localDir, "AgentUI-${variant.versionName}-${variant.name}.apk")
+                src.copyTo(localVersioned, overwrite = true)
+                println(">> Copied APK to ${localVersioned.absolutePath}")
+
+                // agent-ui.apk = only the universal signed build
+                val isUniversal = variant.name.contains("universal", ignoreCase = true)
+                val isSigned = variant.signingConfig != null
+                if (isUniversal && isSigned) {
+                    val localFixed = File(localDir, "agent-ui.apk")
+                    src.copyTo(localFixed, overwrite = true)
+                    println(">> Copied universal signed APK to ${localFixed.absolutePath}")
+
+                    // Network backup
+                    val networkDir = File("\\\\Memoria-1\\ActiveBackupforBusiness\\Nucleo v3\\agent-ui-apk")
+                    try {
+                        if (networkDir.exists() || networkDir.mkdirs()) {
+                            val networkFile = File(networkDir, "agent-ui.apk")
+                            src.copyTo(networkFile, overwrite = true)
+                            println(">> Copied APK to network: ${networkFile.absolutePath}")
+                        } else {
+                            println(">> WARNING: Network path not available: $networkDir")
+                        }
+                    } catch (e: Exception) {
+                        println(">> WARNING: Failed to copy to network: ${e.message}")
+                    }
+                }
             }
         }
     }