feat: Implement support chat functionality, add 2FA verification screen and routing, and update dependencies.

lib/features/messaging/data/socket_service.dart

@@ -3,6 +3,7 @@ import 'package:logger/logger.dart';
 import 'package:real_estate_mobile/config/app_config.dart';
 import 'package:real_estate_mobile/core/storage/secure_storage.dart';
 import 'package:real_estate_mobile/features/messaging/data/models/message.dart';
+import 'package:real_estate_mobile/features/support_chat/data/models/support_chat_models.dart';
 
 // We'll use a simple WebSocket approach for now since socket_io_client needs to be added
 // This will be a placeholder that uses REST polling until socket_io_client is added
@@ -26,6 +27,9 @@ class SocketService {
   final _statusController = StreamController<Map<String, dynamic>>.broadcast();
   final _readController = StreamController<Map<String, dynamic>>.broadcast();
   final _connectionController = StreamController<bool>.broadcast();
+  final _supportMessageController = StreamController<SupportMessage>.broadcast();
+  final _supportTypingStartController = StreamController<Map<String, dynamic>>.broadcast();
+  final _supportTypingStopController = StreamController<Map<String, dynamic>>.broadcast();
 
   Stream<ChatMessage> get onNewMessage => _messageController.stream;
   Stream<Map<String, dynamic>> get onTypingStart => _typingStartController.stream;
@@ -33,6 +37,9 @@ class SocketService {
   Stream<Map<String, dynamic>> get onStatusChange => _statusController.stream;
   Stream<Map<String, dynamic>> get onMessagesRead => _readController.stream;
   Stream<bool> get onConnectionChange => _connectionController.stream;
+  Stream<SupportMessage> get onSupportMessage => _supportMessageController.stream;
+  Stream<Map<String, dynamic>> get onSupportTypingStart => _supportTypingStartController.stream;
+  Stream<Map<String, dynamic>> get onSupportTypingStop => _supportTypingStopController.stream;
   bool get isConnected => _isConnected;
 
   Future<void> connect() async {
@@ -113,6 +120,24 @@ class SocketService {
       _readController.add(Map<String, dynamic>.from(data as Map));
     });
 
+    // Support chat events
+    _socket!.on('support_new_message', (data) {
+      try {
+        final message = SupportMessage.fromJson(data as Map<String, dynamic>);
+        _supportMessageController.add(message);
+      } catch (e) {
+        _log.e('Error parsing support_new_message: $e');
+      }
+    });
+
+    _socket!.on('support_typing_start', (data) {
+      _supportTypingStartController.add(Map<String, dynamic>.from(data as Map));
+    });
+
+    _socket!.on('support_typing_stop', (data) {
+      _supportTypingStopController.add(Map<String, dynamic>.from(data as Map));
+    });
+
     _socket!.connect();
   }
 
@@ -188,6 +213,11 @@ class SocketService {
     _socket?.emit('typing_stop', {'conversationId': conversationId});
   }
 
+  /// Emit a raw event (used by support chat)
+  void emitRaw(String event, Map<String, dynamic> data) {
+    _socket?.emit(event, data);
+  }
+
   void markAsRead(String conversationId) {
     _socket?.emit('mark_read', {'conversationId': conversationId});
   }
@@ -200,5 +230,8 @@ class SocketService {
     _statusController.close();
     _readController.close();
     _connectionController.close();
+    _supportMessageController.close();
+    _supportTypingStartController.close();
+    _supportTypingStopController.close();
   }
 }