Ignore repeated Bluetooth callbacks for proxies already released

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

@@ -521,9 +521,15 @@ class CallAudioRouter {
         val generation = ++btProfileGeneration
         try {
             val adapter = BluetoothAdapter.getDefaultAdapter() ?: return
+            val received = mutableSetOf<BluetoothProfile>() // Дубликат callback не возобновляет уже освобождённый proxy.
             val accepted = adapter.getProfileProxy(ChatApplication.instance, object : BluetoothProfile.ServiceListener {
                 override fun onServiceConnected(profile: Int, proxy: BluetoothProfile) {
                     synchronized(this@CallAudioRouter) {
+                        if (proxy in received && proxy !== btHeadset && proxy !in btProxies) {
+                            LogManager.addLog("WARN", "CallAudioRouter", "released BT proxy callback ignored proxy=$proxy generation=$generation")
+                            return
+                        }
+                        received.add(proxy)
                         btProxies[proxy] = adapter to profile
                         if (!started || generation != btProfileGeneration || profile != BluetoothProfile.HEADSET || proxy !is BluetoothHeadset) {
                             LogManager.addLog("WARN", "CallAudioRouter", "retired BT proxy received proxy=$proxy profile=$profile " +