refactor(client): widgets 颜色迁移到 context.tokens

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

client/test/stock_in_screen_test.dart

@@ -5,6 +5,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:go_router/go_router.dart';
 import 'package:jiu_client/core/models/page_result.dart';
+import 'package:jiu_client/core/theme/themes.dart';
 import 'package:jiu_client/models/license.dart';
 import 'package:jiu_client/models/stock_in.dart';
 import 'package:jiu_client/providers/license_provider.dart';
@@ -119,7 +120,7 @@ Widget _buildApp(AsyncValue<PageResult<StockInOrder>> state) {
       licenseProvider.overrideWith(() => _FakeLicenseNotifier()),
       stockInListProvider.overrideWith(() => _FakeStockInNotifier(state)),
     ],
-    child: MaterialApp.router(routerConfig: router),
+    child: MaterialApp.router(theme: buildTheme('a'), routerConfig: router),
   );
 }
 
@@ -143,7 +144,7 @@ Widget _buildLoadingApp() {
       licenseProvider.overrideWith(() => _FakeLicenseNotifier()),
       stockInListProvider.overrideWith(() => _FakeLoadingStockInNotifier()),
     ],
-    child: MaterialApp.router(routerConfig: router),
+    child: MaterialApp.router(theme: buildTheme('a'), routerConfig: router),
   );
 }