diff --git a/tools/chatgui-android/router-tests/src/main/kotlin/android/app/Service.kt b/tools/chatgui-android/router-tests/src/main/kotlin/android/app/Service.kt
new file mode 100644
index 00000000..93ccd3ff
--- /dev/null
+++ b/tools/chatgui-android/router-tests/src/main/kotlin/android/app/Service.kt
@@ -0,0 +1,31 @@
+package android.app
+
+import android.content.Context
+import android.content.Intent
+import android.os.IBinder
+
+/** OS lifecycle контролирует тест: stopSelf лишь запрашивает stop, onDestroy доставляется отдельно. */
+open class Service : Context() {
+    companion object { const val START_NOT_STICKY = 2; const val STOP_FOREGROUND_REMOVE = 1 }
+    var foregroundId = 0
+    var foregroundTypes = 0
+    var foregroundAttempts = 0
+    var failForeground = false
+    var failForegroundAfter = false
+    var stops = 0
+    var destroys = 0
+    open fun onCreate() {}
+    open fun onStartCommand(intent: Intent?, flags: Int, startId: Int) = START_NOT_STICKY
+    open fun onDestroy() { destroys++ }
+    open fun onBind(intent: Intent?): IBinder? = null
+    fun startForeground(id: Int, notification: Notification) {
+        foregroundAttempts++
+        check(!failForeground) { "foreground promotion unavailable" }
+        foregroundId = id
+        requireNotNull(notificationManager).notify(id, notification)
+        check(!failForegroundAfter) { "foreground promotion failed after effect" }
+    }
+    fun stopForeground(flags: Int) { if (flags == STOP_FOREGROUND_REMOVE && foregroundId != 0) notificationManager?.cancel(foregroundId) }
+    fun stopSelf() { stops++ }
+    fun stopSelf(startId: Int) { stops++ }
+}
diff --git a/tools/chatgui-android/router-tests/src/main/kotlin/android/content/Context.kt b/tools/chatgui-android/router-tests/src/main/kotlin/android/content/Context.kt
index 33081efa..20c85846 100644
--- a/tools/chatgui-android/router-tests/src/main/kotlin/android/content/Context.kt
+++ b/tools/chatgui-android/router-tests/src/main/kotlin/android/content/Context.kt
@@ -13,11 +13,12 @@ import com.utun.chat.data.HostConfigProvider
 import java.io.File
 
 /** Только host-тест: управляемые Android managers, без устройств/разрешений ОС. */
-class Context {
+open class Context {
     companion object {
         const val AUDIO_SERVICE = "audio"; const val SENSOR_SERVICE = "sensor"; const val VIBRATOR_SERVICE = "vibrator"
         const val POWER_SERVICE = "power"
         const val WIFI_SERVICE = "wifi"
+        const val WINDOW_SERVICE = "window"
         const val RECEIVER_NOT_EXPORTED = 4
     }
     val packageName = "com.utun.chat"
@@ -26,6 +27,22 @@ class Context {
     var vibrator: Vibrator? = Vibrator()
     var powerManager: PowerManager? = PowerManager()
     var failPowerService = false
+    val resources = HostResources()
+    var windowManager: android.view.WindowManager? = android.view.WindowManager()
+    val serviceStarts = mutableListOf<Intent>()
+    val serviceStops = mutableListOf<Intent>()
+    var failServiceStart = false
+    var failServiceStop = false
+    var acceptServiceStop = true
+    fun startForegroundService(intent: Intent) {
+        serviceStarts.add(Intent(intent))
+        check(!failServiceStart) { "foreground service start unavailable" }
+    }
+    fun stopService(intent: Intent): Boolean {
+        serviceStops.add(Intent(intent))
+        check(!failServiceStop) { "service stop unavailable" }
+        return acceptServiceStop
+    }
     val activityAttempts = mutableListOf<Intent>()
     var onStartActivity: (Intent) -> Unit = {}
     var notificationManager: NotificationManager? = NotificationManager()
@@ -64,6 +81,7 @@ class Context {
         VIBRATOR_SERVICE -> vibrator
         POWER_SERVICE -> { check(!failPowerService) { "power service lookup unavailable" }; powerManager }
         WIFI_SERVICE -> { check(!failWifiService) { "Wi-Fi service unavailable" }; wifiManager }
+        WINDOW_SERVICE -> windowManager
         else -> error("Unknown service: $name")
     }
     fun <T> getSystemService(type: Class<T>): T? {
@@ -79,3 +97,9 @@ class Context {
     }
     fun checkSelfPermission(name: String): Int = if (permissionGranted) 0 else -1
 }
+
+class HostResources {
+    val displayMetrics = HostDisplayMetrics()
+    fun getResourceEntryName(id: Int) = "resource_$id"
+}
+class HostDisplayMetrics { var density = 1f; var widthPixels = 1080 }
diff --git a/tools/chatgui-android/router-tests/src/main/kotlin/android/view/HostOverlay.kt b/tools/chatgui-android/router-tests/src/main/kotlin/android/view/HostOverlay.kt
new file mode 100644
index 00000000..55596df7
--- /dev/null
+++ b/tools/chatgui-android/router-tests/src/main/kotlin/android/view/HostOverlay.kt
@@ -0,0 +1,61 @@
+package android.view
+
+import android.content.Context
+
+/** Модель оконного IPC: add/remove могут отказать до или после эффекта; callbacks доставляются вручную. */
+class WindowManager {
+    class LayoutParams(var width: Int, var height: Int, val type: Int, val flags: Int, val format: Int) {
+        companion object {
+            const val WRAP_CONTENT = -2; const val TYPE_APPLICATION_OVERLAY = 2038; const val TYPE_PHONE = 2002
+            const val FLAG_NOT_FOCUSABLE = 8
+        }
+        var gravity = 0; var x = 0; var y = 0
+    }
+    val windows = mutableMapOf<View, LayoutParams>()
+    var failures = emptySet<String>()
+    var additions = 0; var removals = 0; var updates = 0
+    fun addView(view: View, params: LayoutParams) {
+        additions++
+        check("add" !in failures) { "window add unavailable" }
+        windows[view] = params; view.layout = params
+        check("add after" !in failures) { "window add failed after effect" }
+    }
+    fun removeView(view: View) {
+        removals++
+        check("remove" !in failures) { "window remove unavailable" }
+        require(windows.remove(view) != null) { "window not attached" }
+        check("remove after" !in failures) { "window remove failed after effect" }
+    }
+    fun updateViewLayout(view: View, params: LayoutParams) {
+        updates++
+        check("update" !in failures) { "window layout unavailable" }
+        require(windows.containsKey(view)) { "window not attached" }
+        windows[view] = params; view.layout = params
+    }
+}
+open class View {
+    fun interface OnTouchListener { fun onTouch(view: View, event: MotionEvent): Boolean }
+    var background: Any? = null
+    var layout: WindowManager.LayoutParams? = null
+    var isLaidOut = true
+    val width get() = layout?.width ?: 0
+    val height get() = layout?.height ?: 0
+    var listener: OnTouchListener? = null
+    val animations = mutableListOf<Runnable>()
+    val layouts = mutableListOf<() -> Unit>()
+    fun setOnTouchListener(value: OnTouchListener) { listener = value }
+    fun touch(event: MotionEvent) = listener?.onTouch(this, event) ?: false
+    fun postOnAnimation(task: Runnable) { animations.add(task) }
+    fun dispatchAnimations() { val pending = animations.toList(); animations.clear(); pending.forEach { it.run() } }
+    fun getLocationOnScreen(out: IntArray) { out[0] = layout?.x ?: 0; out[1] = layout?.y ?: 0 }
+}
+class MotionEvent(val action: Int, val rawX: Float = 0f, val rawY: Float = 0f, val eventTime: Long = 1,
+                  val downTime: Long = eventTime) {
+    companion object { const val ACTION_DOWN = 0; const val ACTION_UP = 1; const val ACTION_MOVE = 2; const val ACTION_CANCEL = 3 }
+}
+object Gravity { const val CENTER = 17; const val TOP = 48; const val LEFT = 3 }
+class ViewConfiguration {
+    val scaledTouchSlop = 8
+    companion object { fun get(context: Context) = ViewConfiguration(); fun getDoubleTapTimeout() = 300 }
+}
+class LayoutInflater