refactor(apps): 重构数据层目录结构并新增启动预热编排器

apps/lib/features/chat/presentation/bloc/chat_bloc.dart

@@ -5,10 +5,11 @@ import 'package:image_picker/image_picker.dart';
 import 'package:social_app/core/chat/agent_stage.dart';
 import 'package:social_app/core/chat/chat_list_item.dart';
 import 'package:social_app/core/chat/chat_orchestrator.dart';
-import 'package:social_app/core/network/i_api_client.dart';
+import 'package:social_app/data/network/i_api_client.dart';
 import 'package:social_app/core/l10n/l10n.dart';
 
 import '../../data/models/ag_ui_event.dart';
+import '../../data/repositories/chat_history_repository.dart';
 import '../../data/services/ag_ui_service.dart';
 
 class ChatState implements ChatOrchestratorState {
@@ -95,9 +96,17 @@ class ChatState implements ChatOrchestratorState {
 }
 
 class ChatBloc extends Cubit<ChatState> implements ChatOrchestrator {
-  ChatBloc({AgUiService? service, required IApiClient apiClient})
-    : _service = service ?? AgUiService(apiClient: apiClient),
-      super(const ChatState()) {
+  ChatBloc({
+    AgUiService? service,
+    required IApiClient apiClient,
+    ChatHistoryRepository? historyRepository,
+  }) : _service =
+           service ??
+           AgUiService(
+             apiClient: apiClient,
+             historyRepository: historyRepository,
+           ),
+       super(const ChatState()) {
     _service.onEvent = _handleEvent;
   }