feat: 改造追剧页双列表与三列卡片

test/following/following_page_test.dart

@@ -40,18 +40,19 @@ void main() {
     expect(find.byKey(const Key('following-page')), findsOneWidget);
     expect(find.byKey(const Key('following-tab-favorites')), findsOneWidget);
     expect(find.byKey(const Key('following-tab-history')), findsOneWidget);
-    expect(find.byKey(const Key('following-tab-reserve')), findsOneWidget);
+    expect(find.byKey(const Key('following-tab-reserve')), findsNothing);
     expect(find.byKey(const Key('following-favorites-grid')), findsOneWidget);
+    expect(find.byKey(const Key('following-add-card')), findsOneWidget);
     expect(find.byType(CustomScrollView), findsWidgets);
-    final tab = tester.widget<Text>(
+    final tab = tester.widget<AnimatedDefaultTextStyle>(
       find.descendant(
         of: find.byKey(const Key('following-tab-favorites')),
-        matching: find.text('Following'),
+        matching: find.byType(AnimatedDefaultTextStyle),
       ),
     );
-    expect(tab.style?.fontSize, AppDimens.followingTabFont);
-    expect(tab.style?.fontWeight, FontWeight.w700);
-    expect(tab.style?.color, AppColors.textPrimary);
+    expect(tab.style.fontSize, AppDimens.followingTabFont);
+    expect(tab.style.fontWeight, FontWeight.w600);
+    expect(tab.style.color, AppColors.textPrimary);
     final grid = tester.widget<SliverGrid>(
       find.descendant(
         of: find.byKey(const Key('following-favorites-grid')),
@@ -60,9 +61,10 @@ void main() {
     );
     final delegate =
         grid.gridDelegate as SliverGridDelegateWithFixedCrossAxisCount;
-    expect(delegate.crossAxisSpacing, AppDimens.homeGridGap);
-    expect(delegate.mainAxisSpacing, AppDimens.homeGridRowGap);
-    expect(delegate.childAspectRatio, AppDimens.followingGridAspectRatio);
+    expect(delegate.crossAxisCount, 3);
+    expect(delegate.crossAxisSpacing, AppDimens.followingGridGap);
+    expect(delegate.mainAxisSpacing, AppDimens.followingGridRowGap);
+    expect(delegate.mainAxisExtent, greaterThan(0));
     final card = find.byKey(const Key('following-card-the-signal-demo'));
     final coverFinder = find.byKey(
       const Key('following-cover-the-signal-demo'),
@@ -77,7 +79,7 @@ void main() {
     );
     expect(
       coverClip.borderRadius,
-      BorderRadius.circular(AppDimens.cardCoverRadius),
+      BorderRadius.circular(AppDimens.homeCardRadius),
     );
     final titleFinder = find.descendant(
       of: card,
@@ -88,7 +90,10 @@ void main() {
     expect(title.style?.fontWeight, FontWeight.w500);
     expect(title.style?.height, AppDimens.cardTitleLineHeight);
     final views = tester.widget<Text>(
-      find.byKey(const Key('following-views-the-signal-demo')),
+      find.descendant(
+        of: find.byKey(const Key('following-views-the-signal-demo')),
+        matching: find.byType(Text),
+      ),
     );
     expect(views.style?.fontSize, AppDimens.cardPlayCountFont);
     expect(views.style?.fontWeight, FontWeight.w400);
@@ -107,15 +112,10 @@ void main() {
       ),
       findsOneWidget,
     );
-    final tagsFinder = find.byKey(
-      const Key('following-tags-the-signal-demo'),
+    expect(
+      tester.getTopLeft(titleFinder).dx,
+      tester.getTopLeft(coverFinder).dx,
     );
-    final tags = tester.widget<Text>(tagsFinder);
-    expect(tags.data, 'Suspense | Mystery');
-    expect(tags.style?.fontSize, AppDimens.cardTagFont);
-    expect(tags.style?.color, AppColors.textTertiary);
-    expect(tester.getTopLeft(titleFinder).dx, tester.getTopLeft(coverFinder).dx);
-    expect(tester.getTopLeft(tagsFinder).dx, tester.getTopLeft(coverFinder).dx);
 
     await tester.tap(find.byKey(const Key('following-edit')));
     await tester.pumpAndSettle();
@@ -148,9 +148,6 @@ void main() {
     await tester.tap(find.byKey(const Key('following-tab-history')));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('following-history-empty')), findsOneWidget);
-    await tester.tap(find.byKey(const Key('following-tab-reserve')));
-    await tester.pumpAndSettle();
-    expect(find.byKey(const Key('following-reserve-empty')), findsOneWidget);
   });
 
   testWidgets('should_show_auth_gate_when_signed_out', (tester) async {
@@ -172,7 +169,8 @@ void main() {
     await tester.tap(find.byKey(const Key('tab-follow')));
     await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('following-favorites-empty')), findsOneWidget);
+    expect(find.byKey(const Key('following-add-card')), findsOneWidget);
+    expect(find.byKey(const Key('following-favorites-empty')), findsNothing);
     await tester.tap(find.byKey(const Key('following-tab-history')));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('following-history-empty')), findsOneWidget);
@@ -209,7 +207,7 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(find.text('Server title'), findsOneWidget);
-    expect(find.text('Watched to Episode 3'), findsOneWidget);
+    expect(find.text('Episode 3 / 8 total'), findsOneWidget);
     expect(
       find.byKey(const Key('following-progress-the-signal-demo')),
       findsOneWidget,
@@ -217,6 +215,43 @@ void main() {
     expect(catalog.detailFetches, 0);
   });
 
+  testWidgets('should_switch_following_pages_horizontally', (tester) async {
+    _signIn();
+    await tester.pumpWidget(_app(catalog: FakeCatalogRepository()));
+    await tester.pumpAndSettle();
+    await tester.tap(find.byKey(const Key('tab-follow')));
+    await tester.pumpAndSettle();
+
+    await tester.drag(
+      find.byKey(const Key('following-tab-pages')),
+      const Offset(-500, 0),
+    );
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('following-history-empty')), findsOneWidget);
+    final historyTab = tester.widget<AnimatedDefaultTextStyle>(
+      find.descendant(
+        of: find.byKey(const Key('following-tab-history')),
+        matching: find.byType(AnimatedDefaultTextStyle),
+      ),
+    );
+    expect(historyTab.style.fontWeight, FontWeight.w600);
+    expect(historyTab.style.color, AppColors.textPrimary);
+  });
+
+  testWidgets('should_open_home_from_add_card', (tester) async {
+    _signIn();
+    await tester.pumpWidget(_app(catalog: FakeCatalogRepository()));
+    await tester.pumpAndSettle();
+    await tester.tap(find.byKey(const Key('tab-follow')));
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.byKey(const Key('following-add-card')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('home-grid')), findsOneWidget);
+  });
+
   testWidgets('should_reset_edit_state_when_switching_tabs', (tester) async {
     _signIn();
     final catalog = FakeCatalogRepository();