fix: skip specials in playback order

close #601

lib/providers/offline_watch_provider.dart

@@ -99,7 +99,11 @@ class OfflineWatchProvider extends ChangeNotifier {
     final episodes = _downloadProvider.getDownloadedEpisodesForShow(showRatingKey);
     if (episodes.isEmpty) return episodes;
 
+    // Sort Season 0 (Specials) to the end so regular seasons play first
     episodes.sort((a, b) {
+      final aIsSpecial = (a.parentIndex ?? 0) == 0;
+      final bIsSpecial = (b.parentIndex ?? 0) == 0;
+      if (aIsSpecial != bIsSpecial) return aIsSpecial ? 1 : -1;
       final seasonCompare = (a.parentIndex ?? 0).compareTo(b.parentIndex ?? 0);
       if (seasonCompare != 0) return seasonCompare;
       return (a.index ?? 0).compareTo(b.index ?? 0);

lib/screens/media_detail_screen.dart

@@ -1677,8 +1677,11 @@ class _MediaDetailScreenState extends State<MediaDetailScreen> with WatchStateAw
         return;
       }
 
-      // Get the first season (usually Season 1, but could be Season 0 for specials)
-      final firstSeason = _seasons.first;
+      // Skip Season 0 (Specials) — prefer the first regular season
+      final firstSeason = _seasons.firstWhere(
+        (s) => (s.index ?? 0) > 0,
+        orElse: () => _seasons.first,
+      );
 
       // Get episodes of the first season
       List<PlexMetadata> episodes;

lib/screens/video_player_screen.dart

@@ -910,9 +910,12 @@ class VideoPlayerScreenState extends State<VideoPlayerScreen> with WidgetsBindin
 
       if (episodes.isEmpty) return;
 
-      // Sort by season then episode number
+      // Sort by season then episode number, with Season 0 (Specials) at the end
       final sorted = List<PlexMetadata>.from(episodes)
         ..sort((a, b) {
+          final aIsSpecial = (a.parentIndex ?? 0) == 0;
+          final bIsSpecial = (b.parentIndex ?? 0) == 0;
+          if (aIsSpecial != bIsSpecial) return aIsSpecial ? 1 : -1;
           final seasonCmp = (a.parentIndex ?? 0).compareTo(b.parentIndex ?? 0);
           if (seasonCmp != 0) return seasonCmp;
           return (a.index ?? 0).compareTo(b.index ?? 0);