Contain call notification and route persistence failures

tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallController.kt

@@ -32,6 +32,8 @@ data class OutgoingCallRequest(val channelId: String, val peerNodeId: Long, val
  * Единственный владелец звонковой сессии в процессе приложения. Все операции — main thread.
  * Сервис владеет аудио и wake lock, ядро — сигналингом, ViewModel только читает StateFlow.
  * События поступают напрямую из AppEventHandler без replay старых звонков новым подписчикам.
+ * Start/accept ждут освобождения чужих media и успешного enqueue; hangup/decline при отказе очереди
+ * повторяются независимо от UI/audio cleanup. Core reset отменяет такие повторы до остановки worker.
  */
 object CallController : TelecomCallManager.Listener {
     private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)
@@ -229,8 +231,9 @@ object CallController : TelecomCallManager.Listener {
                 throw e
             } catch (e: Exception) {
                 LogManager.addLog("ERROR", "Call", "media release failed id=$id: $e")
-                Toast.makeText(ChatApplication.instance, R.string.call_media_stop_failed, Toast.LENGTH_LONG).show()
                 end(id, 7)
+                try { Toast.makeText(ChatApplication.instance, R.string.call_media_stop_failed, Toast.LENGTH_LONG).show() }
+                catch (notify: Exception) { LogManager.addLog("ERROR", "Call", "Cannot show media release failure id=$id: $notify") }
             }
         }
     }
@@ -382,17 +385,17 @@ object CallController : TelecomCallManager.Listener {
             radioToRestore = null
             RadioAudioEngine.instance().restoreAfterCall(group)
         }
-        if (reason == 8 && st.phase != CallPhase.INCOMING && st.phase != CallPhase.PENDING_INCOMING) {
+        if (reason == 8 && st.phase != CallPhase.INCOMING && st.phase != CallPhase.PENDING_INCOMING) try {
             val app = ChatApplication.instance
             val text = AppLanguage.text(R.string.phone_busy_warning)
             if (activityVisible) Toast.makeText(app, text, Toast.LENGTH_LONG).show()
-            else try {
+            else {
                 requireNotNull(app.getSystemService(NotificationManager::class.java)) { "notification manager unavailable" }.notify(1003,
                     NotificationCompat.Builder(app, IncomingCallManager.CHANNEL_CALL)
                         .setSmallIcon(android.R.drawable.ic_dialog_info).setContentTitle(st.peerName)
                         .setContentText(text).setAutoCancel(true).build())
-            } catch (e: Exception) { LogManager.addLog("ERROR", "Call", "Busy outcome notification failed id=$id: $e") }
-        }
+            }
+        } catch (e: Exception) { LogManager.addLog("ERROR", "Call", "Busy outcome notification failed id=$id: $e") }
         scope.launch {
             delay(2500)
             if (_state.value?.callId == id && _state.value?.phase == CallPhase.ENDED) _state.value = null
@@ -429,10 +432,21 @@ object CallController : TelecomCallManager.Listener {
 
     fun setRoute(route: AudioRoute) {
         checkMain()
+        if (_state.value?.phase != CallPhase.ACTIVE || service == null) {
+            LogManager.addLog("WARN", "Call", "route ignored outside active call route=$route phase=${_state.value?.phase}")
+            return
+        }
         videoSpeakerPending = false // Явный выбор пользователя отменяет ожидающее автоматическое переключение.
         service?.audio?.router?.setRoute(route)
         syncProximity()
-        scope.launch { ChatApplication.instance.configProvider.setCallAudioRoute(route) }
+        scope.launch {
+            try { ChatApplication.instance.configProvider.setCallAudioRoute(route) }
+            catch (e: CancellationException) { throw e }
+            catch (e: Exception) {
+                LogManager.addLog("ERROR", "Call", "Cannot save preferred route=$route: $e")
+                Toast.makeText(ChatApplication.instance, R.string.call_route_save_failed, Toast.LENGTH_LONG).show()
+            }
+        }
     }
 
     private fun routeChanged(route: AudioRoute, headset: Boolean) {
@@ -466,7 +480,7 @@ object CallController : TelecomCallManager.Listener {
         audio.router.fallbackRoute = AudioRoute.SPEAKER
         audio.router.setRoute(AudioRoute.SPEAKER, automatic = true)
         syncProximity()
-        LogManager.addLog("INFO", "call", "video speaker enabled after confirmed FAR id=${st.callId}")
+        LogManager.addLog("INFO", "call", "video speaker requested after confirmed FAR id=${st.callId}")
     }
 
     /** Только живые события ядра, сериализованные AppEventHandler на main thread. */

tools/chatgui-android/app/src/main/res/values-ru/strings.xml

@@ -33,6 +33,7 @@
     <string name="call_incoming_stop_media">При принятии звонка рация выключится, трансляция или её просмотр завершится. После звонка рация включится снова.</string>
     <string name="call_preparing_audio">Освобождаем аудиоустройства…</string>
     <string name="call_media_stop_failed">Не удалось освободить аудиоустройства для звонка.</string>
+    <string name="call_route_save_failed">Не удалось сохранить предпочтительное аудиоустройство звонков.</string>
     <string name="call_media_busy">Во время звонка звук рации недоступен.</string>
     <string name="call_video_settings">Настройки видео</string>
     <string name="call_video_unavailable">Не удалось включить передачу видео</string>

tools/chatgui-android/app/src/main/res/values/strings.xml

@@ -33,6 +33,7 @@
     <string name="call_incoming_stop_media">Answering will turn off the radio and end the broadcast or stream playback. The radio will turn back on after the call.</string>
     <string name="call_preparing_audio">Releasing audio devices…</string>
     <string name="call_media_stop_failed">Could not release the audio devices for the call.</string>
+    <string name="call_route_save_failed">Could not save the preferred call audio device.</string>
     <string name="call_media_busy">Radio audio is unavailable during a call.</string>
     <string name="call_video_settings">Video settings</string>
     <string name="call_video_unavailable">Unable to send video</string>