feat(app): 展示真实点赞与评论计数

lib/pages/player/widgets/drama_comments_sheet.dart

@@ -178,11 +178,13 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
 
   Widget _content(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
+    final count = _controller.exactCount;
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
         Text(
-          l10n.comments,
+          count == null ? l10n.comments : '${l10n.comments} · $count',
+          key: count == null ? null : const Key('comment-count-label'),
           style: const TextStyle(
             color: AppColors.cream,
             fontSize: 18,

lib/pages/player/widgets/home_feed_overlay.dart

@@ -19,6 +19,7 @@ class HomeFeedOverlay extends StatelessWidget {
     required this.drama,
     required this.episode,
     required this.liked,
+    this.likeCount,
     required this.saved,
     required this.onLike,
     required this.onSave,
@@ -35,6 +36,7 @@ class HomeFeedOverlay extends StatelessWidget {
   final Drama drama;
   final Episode episode;
   final bool liked;
+  final int? likeCount;
   final bool saved;
   final VoidCallback onLike;
   final VoidCallback onSave;
@@ -123,7 +125,8 @@ class HomeFeedOverlay extends StatelessWidget {
         _RailItem(
           key: const Key('rail-like'),
           icon: liked ? Icons.favorite_rounded : Icons.favorite_border_rounded,
-          label: l10n.like,
+          label: likeCount?.toString() ?? l10n.like,
+          countKey: likeCount == null ? null : const Key('rail-like-count'),
           selected: liked,
           onTap: onLike,
         ),
@@ -375,12 +378,14 @@ class _RailItem extends StatelessWidget {
     required this.label,
     required this.onTap,
     this.selected = false,
+    this.countKey,
   });
 
   final IconData icon;
   final String label;
   final VoidCallback onTap;
   final bool selected;
+  final Key? countKey;
 
   @override
   Widget build(BuildContext context) {
@@ -404,6 +409,7 @@ class _RailItem extends StatelessWidget {
                 const SizedBox(height: 2),
                 Text(
                   label,
+                  key: countKey,
                   maxLines: 1,
                   overflow: TextOverflow.ellipsis,
                   style: const TextStyle(