Фронт сообщений в чате, пока только текстовые

lib/backend/api.dart

@@ -12,9 +12,9 @@ import '../core/transport/sender.dart';
 import '../core/utils/logger.dart';
 
 import 'package:device_info_plus/device_info_plus.dart';
-import 'dart:io';
-import 'package:timezone/data/latest_all.dart' as tz;
 import 'package:flutter_timezone/flutter_timezone.dart';
+import 'package:timezone/data/latest_all.dart' as tz;
+import 'dart:io';
 
 enum SessionState { disconnected, connecting, connected, online }
 
@@ -239,6 +239,19 @@ class Api {
     _dispatcher.clearPending();
   }
 
+  Future<void> reconnectAndLogin() async {
+    await connect();
+    if (_sessionState == SessionState.online && _onReconnectCallback != null) {
+      _onReconnectCallback!();
+    }
+  }
+
+  void Function()? _onReconnectCallback;
+
+  void setReconnectCallback(void Function() callback) {
+    _onReconnectCallback = callback;
+  }
+
   void _startPinging() {
     _pingTimer?.cancel();
     _pingTimer = Timer.periodic(ServerConfig.pingInterval, (_) {

lib/backend/modules/messages.dart

@@ -151,11 +151,13 @@ class MessagesModule {
       text: m['text'] as String?,
       time: (m['time'] as int?) ?? 0,
       status: m['status'] as String?,
-      payload: m
-          .cast<
-            String,
-            dynamic
-          >(), // Сохраняем весь пакет для гибкости (аттачи и т.д.)
+      payload: m.cast<String, dynamic>(),
     );
   }
+
+  Future<void> sendMessage(int accountId, int chatId, String text) async {
+    final payload = {'chatId': chatId, 'text': text};
+
+    await _api.sendRequest(Opcode.msgSend, payload);
+  }
 }