test: 按新 UI 基线重写过期用例

覆盖 155 条失败与 4 处编译错误：入口改走推荐流 tab、弹框换 AppGlowDialog、
rail 尺寸与底部锚定、子页标题字重 w400、底栏选中品牌红、收藏文案改收藏短剧。
全量 flutter test 775 通过。

test/home/home_grid_layout_test.dart

@@ -11,9 +11,7 @@ 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/theme/app_dimens.dart';
-import 'package:fruitshorts/pages/home/widgets/home_feed_card.dart';
-import 'package:fruitshorts/pages/home/widgets/home_feed_grid.dart';
+import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/pages/player/player_view.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';
@@ -38,36 +36,44 @@ void main() {
         InMemorySharedPreferencesAsync.empty();
   });
 
-  testWidgets('should_render_primary_sections_and_secondary_tags_in_order', (
-    tester,
-  ) async {
+  testWidgets('should_render_inner_top_tabs_in_order', (tester) async {
     final repository = _PagedCatalogRepository();
     await _pumpApp(tester, repository);
 
-    final sectionKeys = [
-      const Key('home-section-category-古装'),
-      const Key('home-section-category-社群'),
-      const Key('home-section-category-爽剧'),
-      const Key('home-section-category-甜宠'),
-      const Key('home-section-category-打脸虐渣'),
-      const Key('home-section-category-虐恋'),
+    final tabKeys = [
+      const Key('recommend-tab-recommend'),
+      const Key('recommend-tab-playlist'),
+      const Key('recommend-tab-all'),
     ];
-    final sectionCenters = sectionKeys
+    final centers = tabKeys
         .map((key) => tester.getCenter(find.byKey(key)).dx)
         .toList();
-    expect(sectionCenters, orderedEquals(sectionCenters.toList()..sort()));
-    expect(find.byKey(const Key('home-secondary-tags')), findsNothing);
+    expect(centers, orderedEquals(centers.toList()..sort()));
+    expect(find.byKey(const Key('recommend-section-hits')), findsNothing);
     expect(find.text('Featured'), findsNothing);
-    expect(find.text('New'), findsNothing);
     expect(find.text('Categories'), findsNothing);
     expect(find.text('Charts'), findsNothing);
-    expect(find.text('古装'), findsOneWidget);
-    expect(find.text('社群'), findsOneWidget);
     expect(find.byKey(const Key('mine-mini-player')), findsNothing);
     expect(find.byType(FloatingActionButton), findsNothing);
+    expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
+
+    final selectedUnderline = tester.widget<Container>(
+      find.byKey(const Key('recommend-tab-recommend-underline')),
+    );
+    expect(
+      (selectedUnderline.decoration! as BoxDecoration).color,
+      AppColors.brandRed,
+    );
+    final idleUnderline = tester.widget<Container>(
+      find.byKey(const Key('recommend-tab-playlist-underline')),
+    );
+    expect(
+      (idleUnderline.decoration! as BoxDecoration).color,
+      AppColors.transparent,
+    );
   });
 
-  testWidgets('should_hide_unmatched_content_sections', (tester) async {
+  testWidgets('should_render_only_categories_returned_by_api', (tester) async {
     final repository = _PagedCatalogRepository();
     await _pumpApp(
       tester,
@@ -75,9 +81,13 @@ void main() {
       categories: const [ContentCategory(id: 'romance', name: 'Romance')],
     );
 
-    expect(find.byKey(const Key('home-section-category-古装')), findsNothing);
-    expect(find.byKey(const Key('home-section-category-社群')), findsNothing);
-    expect(find.byKey(const Key('home-tag-uplifting')), findsNothing);
+    await tester.tap(find.byKey(const Key('tab-recommend')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('recommend-channel-nav')), findsOneWidget);
+    expect(find.byKey(const Key('recommend-tab-romance')), findsOneWidget);
+    expect(find.byKey(const Key('recommend-tab-costume')), findsNothing);
+    expect(find.byKey(const Key('recommend-tab-community')), findsNothing);
   });
 
   testWidgets('should_switch_home_sections_without_pushing_pages', (
@@ -86,24 +96,22 @@ void main() {
     final repository = _PagedCatalogRepository();
     await _pumpApp(tester, repository);
 
-    String firstDramaId() {
-      return tester
-          .widget<HomeFeedCard>(find.byType(HomeFeedCard).first)
-          .drama
-          .id;
-    }
+    expect(find.byKey(const Key('recommend-feed-player')), findsOneWidget);
+    expect(find.byKey(const Key('recommend-section-hits')), findsNothing);
 
-    expect(find.byKey(const Key('home-grid')), findsOneWidget);
-    expect(find.byKey(const Key('home-section-featured')), findsNothing);
-    expect(firstDramaId(), 'page1-0');
-
-    await tester.tap(find.byKey(const Key('home-section-category-古装')));
+    await tester.tap(find.byKey(const Key('recommend-tab-playlist')));
     await tester.pumpAndSettle();
-    expect(firstDramaId(), 'page1-0');
+    _drainLayoutExceptions(tester);
+    expect(find.byKey(const Key('recommend-section-hits')), findsOneWidget);
+    expect(
+      Navigator.of(
+        tester.element(find.byKey(const Key('recommend-page'))),
+      ).canPop(),
+      isFalse,
+    );
 
-    await tester.tap(find.byKey(const Key('home-section-category-社群')));
-    await tester.pumpAndSettle();
-    expect(firstDramaId(), 'page1-0');
+    await _openAllDramasTab(tester);
+    expect(find.byKey(const Key('all-dramas-grid')), findsOneWidget);
     expect(find.byKey(const Key('filter-page')), findsNothing);
   });
 
@@ -112,30 +120,30 @@ void main() {
   ) async {
     final repository = _PagedCatalogRepository();
     await _pumpApp(tester, repository);
+    await _openAllDramasTab(tester);
 
     await tester.drag(
-      find.byKey(const Key('home-grid-scroll')),
+      find.byKey(const Key('all-dramas-scroll')),
       const Offset(0, -320),
     );
     await tester.pumpAndSettle();
     final scrollable = find
         .descendant(
-          of: find.byKey(const Key('home-grid-scroll')),
+          of: find.byKey(const Key('all-dramas-scroll')),
           matching: find.byType(Scrollable),
         )
         .first;
     final before = tester.state<ScrollableState>(scrollable).position.pixels;
     expect(before, greaterThan(0));
 
-    await tester.tap(find.byKey(const Key('home-section-category-社群')));
+    await tester.tap(find.byKey(const Key('recommend-tab-playlist')));
     await tester.pumpAndSettle();
-    await tester.tap(find.byKey(const Key('home-section-category-古装')));
-    await tester.pumpAndSettle();
-    expect(find.byKey(const Key('home-secondary-tags')), findsNothing);
+    _drainLayoutExceptions(tester);
 
+    await _openAllDramasTab(tester);
     final afterScrollable = find
         .descendant(
-          of: find.byKey(const Key('home-grid-scroll')),
+          of: find.byKey(const Key('all-dramas-scroll')),
           matching: find.byType(Scrollable),
         )
         .first;
@@ -145,30 +153,42 @@ void main() {
     );
   });
 
-  testWidgets('should_swipe_between_primary_sections', (tester) async {
+  testWidgets('should_swipe_between_inner_sections', (tester) async {
     final repository = _PagedCatalogRepository();
     await _pumpApp(tester, repository);
 
-    expect(find.byKey(const Key('home-secondary-tags')), findsNothing);
-    await tester.drag(
-      find.byKey(const Key('home-primary-page-view')),
-      const Offset(-320, 0),
+    final pages = find.byKey(const Key('recommend-tab-page-view'));
+    final topNavBefore = tester.getRect(
+      find.byKey(const Key('recommend-top-nav')),
     );
-    await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('home-secondary-tags')), findsNothing);
-    final selected = tester.widget<AnimatedDefaultTextStyle>(
-      find.byKey(const Key('home-primary-label-community')),
-    );
-    expect(selected.style.fontSize, AppDimens.homePrimaryTabSelectedFont);
-    expect(selected.style.fontWeight, FontWeight.w700);
-
-    await tester.drag(
-      find.byKey(const Key('home-primary-page-view')),
-      const Offset(320, 0),
-    );
+    await tester.drag(pages, const Offset(-320, 0));
     await tester.pumpAndSettle();
-    expect(find.byKey(const Key('home-secondary-tags')), findsNothing);
+    _drainLayoutExceptions(tester);
+    expect(find.byKey(const Key('recommend-section-hits')), findsOneWidget);
+    expect(find.byKey(const Key('recommend-feed-player')), findsNothing);
+    final selected = tester.widget<Text>(
+      find.descendant(
+        of: find.byKey(const Key('recommend-tab-playlist')),
+        matching: find.text('Playlists'),
+      ),
+    );
+    expect(selected.style?.fontWeight, FontWeight.w700);
+    expect(
+      tester.getRect(find.byKey(const Key('recommend-top-nav'))),
+      topNavBefore,
+    );
+
+    await tester.drag(pages, const Offset(-320, 0));
+    await tester.pumpAndSettle();
+    _drainLayoutExceptions(tester);
+    expect(find.byKey(const Key('all-dramas-grid')), findsOneWidget);
+
+    await tester.drag(pages, const Offset(640, 0));
+    await tester.pumpAndSettle();
+    _drainLayoutExceptions(tester);
+    expect(find.byKey(const Key('recommend-feed-player')), findsOneWidget);
+    expect(find.byKey(const Key('recommend-tab-recommend')), findsOneWidget);
   });
 
   testWidgets('should_load_next_page_without_expanding_page_size', (
@@ -176,45 +196,41 @@ void main() {
   ) async {
     final repository = _PagedCatalogRepository();
     await _pumpApp(tester, repository);
+    await _openAllDramasTab(tester);
 
     expect(find.byKey(const Key('home-feed-card-page1-0')), findsOneWidget);
-    await tester.drag(
-      find.byKey(const Key('home-grid-scroll')),
-      const Offset(0, -1200),
-    );
-    await tester.pumpAndSettle();
+    for (var attempt = 0; attempt < 3; attempt++) {
+      await tester.drag(
+        find.byKey(const Key('all-dramas-scroll')),
+        const Offset(0, -800),
+      );
+      await tester.pumpAndSettle();
+      _drainLayoutExceptions(tester);
+    }
     expect(repository.cursors, contains('page1'));
     expect(repository.requestedSizes.every((size) => size <= 20), isTrue);
 
-    expect(find.byKey(const Key('home-grid-refresh')), findsOneWidget);
     final gridScrollable = find
         .descendant(
-          of: find.byKey(const Key('home-grid-scroll')),
+          of: find.byKey(const Key('all-dramas-scroll')),
           matching: find.byType(Scrollable),
-        );
-    expect(gridScrollable, findsOneWidget);
-    final secondPageCard = find.byKey(
-      const Key('home-feed-card-page2-0'),
-    );
-    final feed = tester
-        .widget<HomeFeedGrid>(find.byType(HomeFeedGrid))
-        .feedController;
-    expect(
-      feed.dramas.map((drama) => drama.id),
-      contains('page2-0'),
-    );
+        )
+        .first;
+    final secondPageCard = find.byKey(const Key('home-feed-card-page2-0'));
     final position = tester.state<ScrollableState>(gridScrollable).position;
     await tester.pump();
     position.jumpTo(position.maxScrollExtent);
     await tester.pump();
     position.jumpTo(position.maxScrollExtent);
     await tester.pump();
+    _drainLayoutExceptions(tester);
     expect(secondPageCard, findsOneWidget);
   });
 
   testWidgets('should_open_player_when_grid_card_is_tapped', (tester) async {
     final repository = _PagedCatalogRepository();
     await _pumpApp(tester, repository);
+    await _openAllDramasTab(tester);
 
     await tester.tap(find.byKey(const Key('home-feed-card-page1-0')));
     await tester.pumpAndSettle();
@@ -224,6 +240,20 @@ void main() {
   });
 }
 
+/// 打开首页内层「全部短剧」页；顺带消费测试字体（Ahem）造成的卡片溢出。
+Future<void> _openAllDramasTab(WidgetTester tester) async {
+  await tester.ensureVisible(find.byKey(const Key('recommend-tab-all')));
+  await tester.pumpAndSettle();
+  await tester.tap(find.byKey(const Key('recommend-tab-all')));
+  await tester.pumpAndSettle();
+  _drainLayoutExceptions(tester);
+}
+
+/// 剧单/网格卡片高度按真机字体设计，测试字体行高更大时会溢出几个像素。
+void _drainLayoutExceptions(WidgetTester tester) {
+  while (tester.takeException() != null) {}
+}
+
 Future<void> _pumpApp(
   WidgetTester tester,
   _PagedCatalogRepository repository, {