Initialisation du projet geosector complet (web + flutter)

flutt/lib/chat/chat.dart

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+/// Exportation principale du module chat
+///
+/// Ce fichier centralise les exportations du module chat
+/// pour faciliter l'importation dans d'autres parties de l'application
+
+// Models
+export 'models/conversation_model.dart';
+export 'models/message_model.dart';
+export 'models/participant_model.dart';
+export 'models/audience_target_model.dart';
+export 'models/anonymous_user_model.dart';
+export 'models/chat_config.dart';
+export 'models/notification_settings.dart';
+
+// Repositories
+export 'repositories/chat_repository.dart';
+
+// Services
+export 'services/chat_api_service.dart';
+export 'services/offline_queue_service.dart';
+export 'services/notifications/mqtt_notification_service.dart';
+export 'services/notifications/mqtt_config.dart';
+
+// Widgets
+export 'widgets/chat_screen.dart';
+export 'widgets/conversations_list.dart';
+export 'widgets/message_bubble.dart';
+export 'widgets/chat_input.dart';
+export 'widgets/notification_settings_widget.dart';
+
+// Pages
+export 'pages/chat_page.dart';
+
+// Constants
+export 'constants/chat_constants.dart';