fix(flutter): 精修首页 feed 交互与底色

lib/pages/home/home_view.dart

@@ -73,6 +73,7 @@ class HomePage extends StatelessWidget {
     return _HomeTabs(
       key: ValueKey(catalog.dramas.first.id),
       dramas: catalog.dramas,
+      onRefreshFeed: catalog.load,
     );
   }
 }
@@ -97,9 +98,14 @@ class HomeFailureView extends StatelessWidget {
 
 /// 四个根页面共享同一路由并保持各自状态。
 class _HomeTabs extends StatefulWidget {
-  const _HomeTabs({super.key, required this.dramas});
+  const _HomeTabs({
+    super.key,
+    required this.dramas,
+    required this.onRefreshFeed,
+  });
 
   final List<Drama> dramas;
+  final VoidCallback onRefreshFeed;
 
   @override
   State<_HomeTabs> createState() => _HomeTabsState();
@@ -138,7 +144,7 @@ class _HomeTabsState extends State<_HomeTabs> {
       },
       child: Scaffold(
         key: logic.scaffoldKey,
-        backgroundColor: Colors.transparent,
+        backgroundColor: logic.tab == 0 ? Colors.black : Colors.transparent,
         body: _body(context),
         bottomNavigationBar: logic.videoImmersive ? null : _nav(context, l10n),
       ),
@@ -165,6 +171,9 @@ class _HomeTabsState extends State<_HomeTabs> {
       drama: widget.dramas.first,
       initialIndex: 0,
       feedDramas: widget.dramas,
+      onOpenFullPlayer: (drama, episode) =>
+          logic.playDrama(context, drama, episodeId: episode.id),
+      onRefreshFeed: widget.onRefreshFeed,
       onDramaChanged: logic.onDramaChanged,
       onImmersiveChanged: logic.onImmersiveChanged,
       onSearch: () => logic.select(1, search: true),