fix: use continuous play queue for aired date episode order

close #756

lib/screens/video_player_screen.dart

@@ -934,15 +934,19 @@ class VideoPlayerScreenState extends State<VideoPlayerScreen> with WidgetsBindin
 
       if (episodes.isEmpty) return;
 
-      // Sort by season then episode number, with Season 0 (Specials) at the end
+      // Sort by aired date, falling back to season/episode number
       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);
+          final aDate = a.originallyAvailableAt ?? '';
+          final bDate = b.originallyAvailableAt ?? '';
+          if (aDate.isEmpty && bDate.isEmpty) {
+            final seasonCmp = (a.parentIndex ?? 0).compareTo(b.parentIndex ?? 0);
+            if (seasonCmp != 0) return seasonCmp;
+            return (a.index ?? 0).compareTo(b.index ?? 0);
+          }
+          if (aDate.isEmpty) return 1;
+          if (bDate.isEmpty) return -1;
+          return aDate.compareTo(bDate);
         });
 
       // Find current episode in the sorted list

lib/services/plex_client.dart

@@ -1981,21 +1981,27 @@ class PlexClient {
     String? startingEpisodeKey,
   }) async {
     try {
-      // Get machine identifier for building the URI
       final machineId = config.machineIdentifier ?? await getMachineIdentifier();
       if (machineId == null) {
         throw Exception('Could not get server machine identifier');
       }
 
-      // Build the URI for the show's episodes
-      final uri = 'server://$machineId/com.plexapp.plugins.library/library/metadata/$showRatingKey/children';
+      // When starting from a specific episode, use continuous mode
+      // This lets the server determine playback order (respects episodeSort)
+      if (startingEpisodeKey != null && shuffle == 0) {
+        final uri = 'server://$machineId/com.plexapp.plugins.library/library/metadata/$startingEpisodeKey';
+        return await createPlayQueue(
+          uri: uri,
+          type: 'video',
+          continuous: 1,
+        );
+      }
 
-      // Create the play queue with optional starting episode
+      final uri = 'server://$machineId/com.plexapp.plugins.library/library/metadata/$showRatingKey/children';
       return await createPlayQueue(
         uri: uri,
         type: 'video',
         shuffle: shuffle,
-        key: startingEpisodeKey != null ? '/library/metadata/$startingEpisodeKey' : null,
       );
     } catch (e) {
       appLogger.e('Failed to create show play queue', error: e);