feat(auth): 登录页改为 ymb 品牌并支持后台配置背景图

test/auth/auth_landing_test.dart

@@ -8,12 +8,14 @@ import 'package:shared_preferences_platform_interface/shared_preferences_async_p
 
 import 'package:fruitshorts/core/data/remote/api_client.dart';
 import 'package:fruitshorts/core/data/remote/auth_api.dart';
+import 'package:fruitshorts/core/data/services/app_config_controller.dart';
 import 'package:fruitshorts/core/data/services/auth_controller.dart';
 import 'package:fruitshorts/core/data/services/auth_session_store.dart';
 import 'package:fruitshorts/core/platform/haptics.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
 import 'package:fruitshorts/pages/auth/auth_view.dart';
 
+import '../support/fake_app_config.dart';
 import '../support/fake_haptics.dart';
 import '../support/fake_http_adapter.dart';
 
@@ -36,6 +38,9 @@ void main() {
       MultiProvider(
         providers: [
           ChangeNotifierProvider<AuthController>.value(value: auth),
+          ChangeNotifierProvider<AppConfigController>.value(
+            value: await fakeAppConfigController(),
+          ),
           Provider<Haptics>.value(value: FakeHaptics()),
         ],
         child: MaterialApp(