feat(home): 首页改为三列探索网格

test/home/catalog_diagnostics_test.dart

@@ -10,7 +10,7 @@ import 'package:fruitshorts/core/data/services/catalog_retry.dart';
 import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/widgets/catalog_endpoint_editor.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
-import 'package:fruitshorts/pages/home/home_view.dart';
+import 'package:fruitshorts/pages/home/widgets/home_failure_view.dart';
 
 void main() {
   tearDown(AppConfig.clearRuntimeBaseUrl);