fix(home): 修复目录错误态被占位层遮挡

lib/pages/home/widgets/home_feed_grid.dart

@@ -104,6 +104,7 @@ class _HomeFeedGridState extends State<HomeFeedGrid> {
                       return _categoryPlaceholder(
                         l10n,
                         context.watch<CategoryController>(),
+                        catalog,
                       );
                     }
                     final category = shortcuts[index];
@@ -146,7 +147,11 @@ class _HomeFeedGridState extends State<HomeFeedGrid> {
   Widget _categoryPlaceholder(
     AppLocalizations l10n,
     CategoryController controller,
+    CatalogController catalog,
   ) {
+    if (catalog.error != null) {
+      return _catalogErrorState(l10n, catalog);
+    }
     if (controller.loading) {
       return const DramaGridSkeleton(
         key: Key('home-grid-skeleton'),

test/home/home_startup_splash_test.dart

@@ -4,6 +4,7 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:provider/provider.dart';
 import 'package:fruitshorts/app.dart';
 import 'package:fruitshorts/core/config/app_config.dart';
 import 'package:fruitshorts/core/data/models/drama.dart';
@@ -13,6 +14,8 @@ import 'package:fruitshorts/core/data/repositories/catalog_repository.dart';
 import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
+import 'package:fruitshorts/core/data/services/catalog_controller.dart';
+import 'package:fruitshorts/core/data/services/category_controller.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
 
@@ -51,7 +54,11 @@ void main() {
     expect(find.byType(CircularProgressIndicator), findsNothing);
 
     repository.complete(_feed);
-    await tester.pumpAndSettle();
+    await _pumpForAppData(tester);
+    await _pumpUntilFound(
+      tester,
+      find.byKey(const Key('home-feed-card-the-signal-demo')),
+    );
 
     expect(find.byKey(const Key('startup-splash')), findsNothing);
     expect(find.byKey(const Key('home-grid-skeleton')), findsNothing);
@@ -62,7 +69,8 @@ void main() {
     tester,
   ) async {
     await _pumpApp(tester, _FailingCatalogRepository());
-    await tester.pumpAndSettle();
+    await _pumpForAppData(tester);
+    await _pumpUntilFound(tester, find.byKey(const Key('home-grid-error')));
 
     expect(find.byKey(const Key('home-grid-header')), findsOneWidget);
     expect(find.byKey(const Key('home-grid-error')), findsOneWidget);
@@ -72,7 +80,8 @@ void main() {
 
   testWidgets('should_show_catalog_empty_state_inside_grid', (tester) async {
     await _pumpApp(tester, _EmptyCatalogRepository());
-    await tester.pumpAndSettle();
+    await _pumpForAppData(tester);
+    await _pumpUntilFound(tester, find.byKey(const Key('home-grid-empty')));
 
     expect(find.byKey(const Key('home-grid-header')), findsOneWidget);
     expect(find.byKey(const Key('home-grid-empty')), findsOneWidget);
@@ -99,6 +108,34 @@ Future<void> _pumpApp(WidgetTester tester, CatalogRepository repository) async {
   await tester.pump();
 }
 
+Future<void> _pumpUntilFound(WidgetTester tester, Finder finder) async {
+  for (var frame = 0; frame < 40; frame++) {
+    if (finder.evaluate().isNotEmpty) return;
+    await tester.pump(const Duration(milliseconds: 16));
+  }
+  await tester.pump();
+}
+
+Future<void> _pumpForAppData(WidgetTester tester) async {
+  await tester.runAsync(
+    () => Future<void>.delayed(Duration.zero),
+  );
+  for (var frame = 0; frame < 40; frame++) {
+    final root = find.byKey(const Key('home-tabs'));
+    if (root.evaluate().isNotEmpty) {
+      final context = tester.element(root);
+      final catalog = context.read<CatalogController>();
+      final categories = context.read<CategoryController>();
+      if (catalog.settled && !catalog.loading && !categories.loading) {
+        await tester.pump();
+        return;
+      }
+    }
+    await tester.pump(const Duration(milliseconds: 16));
+  }
+  await tester.pump();
+}
+
 final _feed = HomeFeed(
   sections: [
     FeedSection(code: 'hot', title: 'Hot', dramas: [demoDramas.first]),