feat(auth): 登录页改为 ymb 品牌并支持后台配置背景图

test/auth/auth_page_test.dart

@@ -11,12 +11,14 @@ import 'package:shared_preferences_platform_interface/shared_preferences_async_p
 import 'package:fruitshorts/core/data/models/auth_session.dart';
 import 'package:fruitshorts/core/data/remote/auth_api.dart';
 import 'package:fruitshorts/core/data/remote/api_client.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_http_adapter.dart';
 import '../support/fake_haptics.dart';
 
@@ -29,17 +31,17 @@ void main() {
     // 不打桩这个通道调用会一直等不到回复（提交按钮转圈、pumpAndSettle 超时）。
     TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
         .setMockMethodCallHandler(
-      const MethodChannel('com.stormg.lumadrama/device'),
-      (call) async => call.method == 'region' ? 'ID' : null,
-    );
+          const MethodChannel('com.stormg.lumadrama/device'),
+          (call) async => call.method == 'region' ? 'ID' : null,
+        );
   });
 
   tearDown(() {
     TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
         .setMockMethodCallHandler(
-      const MethodChannel('com.stormg.lumadrama/device'),
-      null,
-    );
+          const MethodChannel('com.stormg.lumadrama/device'),
+          null,
+        );
   });
 
   Future<void> pumpAuthPage(
@@ -65,6 +67,9 @@ void main() {
       MultiProvider(
         providers: [
           ChangeNotifierProvider<AuthController>.value(value: auth),
+          ChangeNotifierProvider<AppConfigController>.value(
+            value: await fakeAppConfigController(),
+          ),
           Provider<Haptics>.value(value: haptics ?? FakeHaptics()),
         ],
         child: MaterialApp(
@@ -212,7 +217,7 @@ void main() {
   ) async {
     await pumpAuthPage(tester);
 
-    expect(find.text('FruitShorts'), findsOneWidget);
+    expect(find.text('ymb'), findsNothing);
     expect(find.text('Short dramas made for Indonesia'), findsOneWidget);
     final email = tester.widget<TextField>(find.byKey(const Key('auth-email')));
     final password = tester.widget<TextField>(