Bridge Android radio invitation commands to the core thread

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

@@ -268,6 +268,9 @@ object NativeLib {
     fun callDecline(callId: Long) { nativeCallDecline(callId) }
     fun callHangup(callId: Long) { nativeCallHangup(callId) }
     fun callIsOnline(channelId: String, peerNodeId: Long): Boolean = nativeCallIsOnline(channelId, peerNodeId)
+    /* action: radio_call_action, результат — CHAT_EVT_RADIO_CALL (65). */
+    fun radioCall(id: Long, action: Int, group: Long = 0, peer: Long = 0): Boolean = nativeRadioCall(id, group, peer, action)
+    private external fun nativeRadioCall(id: Long, group: Long, peer: Long, action: Int): Boolean
 
     /* ── P2P аудио-звонок (медиа) ── */
     fun callAudioStart(callId: Long): Boolean = nativeCallAudioStart(callId)