refactor: 重构聊天数据层至core并简化首页UI

apps/test/app/services/app_prewarm_orchestrator_test.dart

@@ -1,13 +1,15 @@
 import 'dart:async';
+import 'dart:typed_data';
 
 import 'package:dio/dio.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:social_app/app/services/app_prewarm_orchestrator.dart';
+import 'package:social_app/core/chat/chat_api.dart';
+import 'package:social_app/core/chat/chat_history_repository.dart';
 import 'package:social_app/data/network/i_api_client.dart';
 import 'package:social_app/data/cache/cache_store.dart';
 import 'package:social_app/features/calendar/data/repositories/calendar_repository.dart';
 import 'package:social_app/features/messages/data/repositories/inbox_repository.dart';
-import 'package:social_app/features/chat/data/repositories/chat_history_repository.dart';
 
 class _FakeApiClient implements IApiClient {
   @override
@@ -44,15 +46,65 @@ class _FakeApiClient implements IApiClient {
   }
 }
 
+class _FakeChatApi implements ChatApi {
+  @override
+  Future<void> cancelRun({required String threadId, required String runId}) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Map<String, dynamic>> createRun(Map<String, dynamic> runInput) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Map<String, dynamic>> fetchHistory({
+    String? threadId,
+    DateTime? beforeDate,
+  }) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Uint8List> fetchAttachmentPreview(String previewPath) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Stream<String>> streamRunEvents(
+    String threadId, {
+    String? lastEventId,
+  }) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<String> transcribeAudio(String filePath) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Map<String, dynamic>> uploadAttachment({
+    required String threadId,
+    required String filename,
+    required String mimeType,
+    required Uint8List bytes,
+  }) {
+    throw UnimplementedError();
+  }
+}
+
 void main() {
   late HybridCacheStore store;
   late _FakeApiClient apiClient;
+  late _FakeChatApi chatApi;
   late CalendarRepository calendarRepository;
   late InboxRepository inboxRepository;
   late ChatHistoryRepository chatHistoryRepository;
 
   setUp(() {
     apiClient = _FakeApiClient();
+    chatApi = _FakeChatApi();
     store = HybridCacheStore(
       memory: MemoryCacheStore(),
       persistent: PersistentCacheStore(),
@@ -60,7 +112,7 @@ void main() {
     calendarRepository = CalendarRepository(apiClient: apiClient, store: store);
     inboxRepository = InboxRepositoryImpl(apiClient: apiClient, store: store);
     chatHistoryRepository = ChatHistoryRepository(
-      apiClient: apiClient,
+      chatApi: chatApi,
       store: store,
     );
   });