Only show own activity in last activity

lib/services/lastheard_websocket_client.dart

@@ -15,8 +15,14 @@ class LastHeardWebSocketClient {
   static const int _maxReconnectAttempts = 5;
   static const Duration _reconnectDelay = Duration(seconds: 5);
 
+  final List<int>? _radioIds;
+  int _receivedCount = 0;
+  static const int _maxItems = 200;
+
   final Completer<void> _readyCompleter = Completer<void>();
 
+  LastHeardWebSocketClient({List<int>? radioIds}) : _radioIds = radioIds;
+
   // Socket.IO Engine.IO v4 WebSocket URL for Last Heard
   static const String _wsUrl =
       'wss://api.brandmeister.network/lh/?EIO=4&transport=websocket';
@@ -37,7 +43,8 @@ class LastHeardWebSocketClient {
     }
 
     _isConnecting = true;
-    _shouldReconnect = true;
+    // Don't reconnect if radio IDs are supplied (one-time search query)
+    _shouldReconnect = _radioIds == null || _radioIds.isEmpty;
 
     try {
       debugPrint('LastHeard WS: Connecting to $_wsUrl');
@@ -71,7 +78,7 @@ class LastHeardWebSocketClient {
         _handleOpenPacket(messageStr);
       } else if (messageStr.startsWith('2')) {
         _sendPong();
-      } else if (messageStr == '40') {
+      } else if (messageStr.startsWith('40')) {
         _handleNamespaceConnect();
       } else if (messageStr.startsWith('42')) {
         _handleDataPacket(messageStr);
@@ -133,11 +140,20 @@ class LastHeardWebSocketClient {
       return;
     }
 
+    if (_radioIds == null || _radioIds.isEmpty) {
+      debugPrint('LastHeard WS: No radio IDs provided, skipping search query');
+      return;
+    }
+
     try {
+      // Build SQL query for multiple radio IDs: SourceID = 123 OR SourceID = 456
+      final sqlParts = _radioIds.map((id) => 'SourceID = $id').toList();
+      final sql = sqlParts.join(' OR ');
+
       final message = '42${jsonEncode([
             'searchMongo',
             {
-              'query': {'sql': ''},
+              'query': {'sql': sql},
               'amount': 200
             }
           ])}';
@@ -180,6 +196,15 @@ class LastHeardWebSocketClient {
           _messageController != null &&
           !_messageController!.isClosed) {
         _messageController!.add(eventData);
+
+        // Track received items and disconnect after receiving max items (for search queries)
+        if (_radioIds != null && _radioIds.isNotEmpty) {
+          _receivedCount++;
+          if (_receivedCount >= _maxItems) {
+            debugPrint('LastHeard WS: Received $_maxItems items, disconnecting');
+            disconnect();
+          }
+        }
       }
     } catch (e) {
       debugPrint('LastHeard WS: Error parsing data packet: $e');