feat: 重构会话管理与提醒通知系统

apps/test/data/cache/cached_repository_test.dart

@@ -1,5 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:social_app/data/cache/cache_policy.dart';
+import 'package:social_app/data/cache/cache_scope.dart';
 import 'package:social_app/data/cache/cached_repository.dart';
 import 'package:social_app/data/cache/cache_store.dart';
 
@@ -29,6 +30,14 @@ class _IntCachedRepository extends CachedRepository<int> {
 
 void main() {
   group('CachedRepository', () {
+    setUp(() {
+      CacheScope.configureProvider(() => 'user:test');
+    });
+
+    tearDown(() {
+      CacheScope.resetProvider();
+    });
+
     test('reads from cache after first load', () async {
       final repo = _IntCachedRepository(
         store: HybridCacheStore(
@@ -59,5 +68,22 @@ void main() {
       expect(refreshed, 2);
       expect(repo.loadCount, 2);
     });
+
+    test('falls back to remote load when scope is unavailable', () async {
+      CacheScope.resetProvider();
+      final repo = _IntCachedRepository(
+        store: HybridCacheStore(
+          memory: MemoryCacheStore(),
+          persistent: PersistentCacheStore(),
+        ),
+      );
+
+      final first = await repo.fetch();
+      final second = await repo.fetch();
+
+      expect(first, 1);
+      expect(second, 2);
+      expect(repo.loadCount, 2);
+    });
   });
 }

apps/test/data/cache/hybrid_cache_store_test.dart

@@ -1,5 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:social_app/data/cache/cache_scope.dart';
 import 'package:social_app/data/cache/cache_store.dart';
 
 void main() {
@@ -24,5 +25,20 @@ void main() {
       final secondRead = await hybrid.read<String>('k');
       expect(secondRead, 'v');
     });
+
+    test('cache invalidator no-ops without configured scope', () async {
+      CacheScope.resetProvider();
+      final invalidator = CacheInvalidator(
+        store: HybridCacheStore(
+          memory: MemoryCacheStore(),
+          persistent: PersistentCacheStore(),
+        ),
+      );
+
+      expect(
+        () => invalidator.invalidate('calendar:day:2026-03-31'),
+        returnsNormally,
+      );
+    });
   });
 }