feat(home): 首页按内容类型分频道 Feed 并支持分页

test/home/home_preview_layout_test.dart

@@ -15,6 +15,7 @@ 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_theme.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
+import 'package:fruitshorts/pages/home/home_feed_channel.dart';
 import 'package:fruitshorts/pages/player/widgets/home_feed_header.dart';
 import 'package:fruitshorts/pages/player/widgets/home_feed_overlay.dart';
 import 'package:video_player/video_player.dart';
@@ -439,6 +440,8 @@ void main() {
           builder: (context) => Scaffold(
             body: HomeFeedHeader(
               l10n: AppLocalizations.of(context)!,
+              channel: HomeFeedChannel.recommend,
+              onChannelSelected: (_) {},
               onRefresh: () {
                 calls++;
                 return completer.future;