feat(flutter): 按参考图重做首页 feed 浮层

test/home/k28_a_navigation_test.dart

@@ -50,12 +50,47 @@ void main() {
     await _pumpApp(tester);
 
     expect(find.byKey(const Key('home-feed-title')), findsOneWidget);
-    expect(find.byKey(const Key('home-feed-info-card')), findsOneWidget);
+    expect(find.byKey(const Key('home-feed-full-series')), findsOneWidget);
     expect(find.byType(PageView), findsOneWidget);
     expect(find.byKey(const Key('home-browse-page')), findsNothing);
+    expect(
+      tester.widget<Text>(find.byKey(const Key('rail-like-count'))).data,
+      '41.9万',
+    );
+    expect(
+      tester.widget<Text>(find.byKey(const Key('rail-save-count'))).data,
+      '1006',
+    );
+    expect(
+      tester.widget<Text>(find.byKey(const Key('rail-comments-count'))).data,
+      '3.2万',
+    );
     expect(tester.widget<PlayerPage>(find.byType(PlayerPage)).homeMode, isTrue);
   });
 
+  testWidgets('should_open_episode_sheet_from_full_series_bar', (tester) async {
+    await _pumpApp(tester);
+
+    await tester.tap(find.byKey(const Key('home-feed-full-series')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('player-episodes-sheet')), findsOneWidget);
+  });
+
+  testWidgets('should_show_coming_soon_for_danmaku_and_following_tab', (
+    tester,
+  ) async {
+    await _pumpApp(tester);
+
+    await tester.tap(find.byKey(const Key('home-feed-danmaku')));
+    await tester.pump();
+    expect(find.text('Coming soon'), findsOneWidget);
+
+    await tester.tap(find.byKey(const Key('home-feed-tab-follow')));
+    await tester.pump();
+    expect(find.text('Coming soon'), findsOneWidget);
+  });
+
   testWidgets('should_switch_feed_drama_when_swiped_up', (tester) async {
     await _pumpApp(tester);
     final before = tester