Periodidc broadcast announce (#183)

* noise: send nonce

* periodidc broadcast announce

app/src/main/java/com/bitchat/android/mesh/BluetoothMeshService.kt

@@ -65,6 +65,7 @@ class BluetoothMeshService(private val context: Context) {
 
         // Wire up PacketProcessor reference for recursive handling in MessageHandler
         messageHandler.packetProcessor = packetProcessor
+        sendPeriodicBroadcastAnnounce()
         //startPeriodicDebugLogging()
     }
     
@@ -86,6 +87,22 @@ class BluetoothMeshService(private val context: Context) {
             }
         }
     }
+
+    /**
+     * Send broadcast announcement every 10 seconds
+     */
+    private fun sendPeriodicBroadcastAnnounce() {
+        serviceScope.launch {
+            while (isActive) {
+                try {
+                    delay(10000) // 10 seconds
+                    sendBroadcastAnnounce()
+                } catch (e: Exception) {
+                    Log.e(TAG, "Error in periodic broadcast announce: ${e.message}")
+                }
+            }
+        }
+    }
     
     /**
      * Setup delegate connections between components
@@ -604,6 +621,7 @@ class BluetoothMeshService(private val context: Context) {
      * Send broadcast announce
      */
     fun sendBroadcastAnnounce() {
+        Log.d(TAG, "Sending broadcast announce")
         serviceScope.launch {
             val nickname = delegate?.getNickname() ?: myPeerID