refactor(apps): 重构数据层目录结构并新增启动预热编排器

apps/test/data/cache/cached_repository_test.dart

@@ -1,9 +1,7 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:social_app/data/cache/cache_policy.dart';
 import 'package:social_app/data/cache/cached_repository.dart';
-import 'package:social_app/data/cache/hybrid_cache_store.dart';
-import 'package:social_app/data/cache/memory_cache_store.dart';
-import 'package:social_app/data/cache/persistent_cache_store.dart';
+import 'package:social_app/data/cache/cache_store.dart';
 
 class _IntCachedRepository extends CachedRepository<int> {
   int loadCount = 0;

apps/test/data/cache/hybrid_cache_store_test.dart

@@ -0,0 +1,28 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:social_app/data/cache/cache_store.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('HybridCacheStore', () {
+    test('falls back to persistent and backfills memory', () async {
+      SharedPreferences.setMockInitialValues(<String, Object>{});
+      final prefs = await SharedPreferences.getInstance();
+      final persistent = PersistentCacheStore(prefs: prefs);
+      await persistent.write<String>('k', 'v');
+
+      final hybrid = HybridCacheStore(
+        memory: MemoryCacheStore(),
+        persistent: persistent,
+      );
+
+      final firstRead = await hybrid.read<String>('k');
+      expect(firstRead, 'v');
+
+      await persistent.remove('k');
+      final secondRead = await hybrid.read<String>('k');
+      expect(secondRead, 'v');
+    });
+  });
+}

apps/test/data/cache/shared_prefs_cache_store_test.dart

@@ -0,0 +1,39 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:social_app/data/cache/cache_store.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('SharedPrefsCacheStore', () {
+    test('persists entries across instances', () async {
+      SharedPreferences.setMockInitialValues(<String, Object>{});
+      final prefs = await SharedPreferences.getInstance();
+
+      final storeA = SharedPrefsCacheStore(prefs: prefs);
+      await storeA.write<String>('k', 'v');
+
+      final storeB = SharedPrefsCacheStore(prefs: prefs);
+      final value = await storeB.read<String>('k');
+      expect(value, 'v');
+    });
+
+    test('reads cache entry persisted payload', () async {
+      SharedPreferences.setMockInitialValues(<String, Object>{});
+      final prefs = await SharedPreferences.getInstance();
+      final now = DateTime.utc(2026, 3, 29, 12, 0, 0);
+
+      final storeA = SharedPrefsCacheStore(prefs: prefs);
+      await storeA.write<CacheEntry<String>>(
+        'entry',
+        CacheEntry<String>(value: 'payload', fetchedAt: now),
+      );
+
+      final storeB = SharedPrefsCacheStore(prefs: prefs);
+      final entry = await storeB.read<CacheEntry<String>>('entry');
+      expect(entry, isNotNull);
+      expect(entry!.value, 'payload');
+      expect(entry.fetchedAt, now);
+    });
+  });
+}

apps/test/data/repositories/shared_repositories_test.dart

@@ -1,13 +1,14 @@
 import 'package:dio/dio.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:social_app/core/network/i_api_client.dart';
-import 'package:social_app/data/repositories/calendar_event_repository.dart';
-import 'package:social_app/data/repositories/friend_repository.dart';
-import 'package:social_app/data/repositories/inbox_repository.dart';
-import 'package:social_app/data/repositories/models/calendar_event.dart';
-import 'package:social_app/data/repositories/models/friend_request.dart';
-import 'package:social_app/data/repositories/models/inbox_message.dart';
-import 'package:social_app/data/repositories/user_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/contacts/data/repositories/friend_repository.dart';
+import 'package:social_app/features/messages/data/repositories/inbox_repository.dart';
+import 'package:social_app/features/contacts/data/models/friend_request.dart';
+import 'package:social_app/features/messages/data/models/inbox_message.dart';
+import 'package:social_app/features/calendar/data/models/schedule_item_model.dart';
+import 'package:social_app/features/contacts/data/repositories/user_repository.dart';
 
 class _FakeApiClient implements IApiClient {
   final Map<String, dynamic> _getResponses = <String, dynamic>{};
@@ -90,7 +91,13 @@ void main() {
       },
     ]);
 
-    final repository = InboxRepositoryImpl(client);
+    final repository = InboxRepositoryImpl(
+      apiClient: client,
+      store: HybridCacheStore(
+        memory: MemoryCacheStore(),
+        persistent: PersistentCacheStore(),
+      ),
+    );
     final result = await repository.getMessages(isRead: false);
 
     expect(result.single.messageType, InboxMessageType.calendar);
@@ -109,7 +116,13 @@ void main() {
       'created_at': '2026-03-27T08:00:00Z',
     });
 
-    final repository = FriendRepositoryImpl(client);
+    final repository = FriendRepositoryImpl(
+      apiClient: client,
+      store: HybridCacheStore(
+        memory: MemoryCacheStore(),
+        persistent: PersistentCacheStore(),
+      ),
+    );
     final request = await repository.getRequestById('f1');
 
     expect(request.status, FriendRequestStatus.accepted);
@@ -129,7 +142,13 @@ void main() {
         'created_at': '2026-03-27T08:00:00Z',
       });
 
-      final repository = FriendRepositoryImpl(client);
+      final repository = FriendRepositoryImpl(
+        apiClient: client,
+        store: HybridCacheStore(
+          memory: MemoryCacheStore(),
+          persistent: PersistentCacheStore(),
+        ),
+      );
       await expectLater(
         repository.getRequestsByIds(['f1', 'missing']),
         throwsStateError,
@@ -137,7 +156,7 @@ void main() {
     },
   );
 
-  test('CalendarEventRepository maps archived status', () async {
+  test('CalendarRepository maps archived status', () async {
     final client = _FakeApiClient();
     client.setGet('/api/v1/schedule-items/e1', {
       'id': 'e1',
@@ -156,10 +175,16 @@ void main() {
       'updated_at': '2026-03-27T09:00:00Z',
     });
 
-    final repository = CalendarEventRepositoryImpl(client);
+    final repository = CalendarRepository(
+      store: HybridCacheStore(
+        memory: MemoryCacheStore(),
+        persistent: PersistentCacheStore(),
+      ),
+      apiClient: client,
+    );
     final event = await repository.getById('e1');
 
-    expect(event.status, CalendarEventStatus.archived);
+    expect(event.status, ScheduleStatus.archived);
   });
 
   test('UserRepository returns shared user summary', () async {