chore: 更新国际化翻译及 UI 组件优化

apps/test/features/chat/data/repositories/chat_history_repository_test.dart

@@ -3,6 +3,7 @@ import 'dart:typed_data';
 import 'package:flutter_test/flutter_test.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/cache/cache_scope.dart';
 import 'package:social_app/data/cache/cache_store.dart';
 
 class _FakeChatApi implements ChatApi {
@@ -42,6 +43,7 @@ class _FakeChatApi implements ChatApi {
   @override
   Future<Stream<String>> streamRunEvents(
     String threadId, {
+    required String runId,
     String? lastEventId,
   }) {
     throw UnimplementedError();
@@ -79,6 +81,14 @@ class _FakeChatApi implements ChatApi {
 }
 
 void main() {
+  setUp(() {
+    CacheScope.configureProvider(() => null);
+  });
+
+  tearDown(() {
+    CacheScope.resetProvider();
+  });
+
   test('loads first-page history from cache on second read', () async {
     final chatApi = _FakeChatApi();
     chatApi.setHistory('first:default', {
@@ -113,4 +123,32 @@ void main() {
     expect(second.messages.length, 1);
     expect(chatApi.historyCalls['first:default'], 1);
   });
+
+  test('separates history cache by global scope provider', () async {
+    final chatApi = _FakeChatApi();
+    chatApi.setHistory('first:default', {
+      'scope': 'history_day',
+      'threadId': 't1',
+      'day': '2026-03-29',
+      'hasMore': false,
+      'messages': const [],
+    });
+
+    final repository = ChatHistoryRepository(
+      chatApi: chatApi,
+      store: HybridCacheStore(
+        memory: MemoryCacheStore(),
+        persistent: PersistentCacheStore(),
+      ),
+    );
+
+    var scope = 'user-a';
+    CacheScope.configureProvider(() => scope);
+
+    await repository.loadHistory();
+    scope = 'user-b';
+    await repository.loadHistory();
+
+    expect(chatApi.historyCalls['first:default'], 2);
+  });
 }