Enhance schedule and show management: add season and episode information to ScheduleEntryDto, update ListShowsQueryHandler to include season counts, and modify frontend components to display this new data. Improve EPG handling by consolidating program entries into blocks for better clarity in the streaming interface.

backend/src/TeleWave.Application/Library/ListShows/ListShowsQueryHandler.cs

@@ -12,9 +12,28 @@ public sealed class ListShowsQueryHandler(IAppDbContext dbContext)
         CancellationToken cancellationToken
     )
     {
-        return await dbContext.Shows.AsNoTracking()
+        var shows = await dbContext.Shows.AsNoTracking()
+            .Include(s => s.Episodes)
             .OrderBy(s => s.Name)
-            .Select(s => new ShowSummaryDto(s.Id, s.Name, s.Kind, s.Episodes.Count, s.CreatedAt))
             .ToListAsync(cancellationToken);
+
+        // Имена ассетов нужны, чтобы распознать сезоны (номера в модели не хранятся).
+        var assetIds = shows.SelectMany(s => s.Episodes.Select(e => e.MediaAssetId)).Distinct().ToList();
+        var names = await dbContext.MediaAssets.AsNoTracking()
+            .Where(a => assetIds.Contains(a.Id))
+            .Select(a => new { a.Id, a.OriginalFileName })
+            .ToDictionaryAsync(a => a.Id, a => a.OriginalFileName, cancellationToken);
+
+        return shows
+            .Select(s =>
+            {
+                var seasons = s.Episodes
+                    .Select(e => names.TryGetValue(e.MediaAssetId, out var n) ? EpisodeName.ParseSeason(n) : null)
+                    .Where(season => season is not null)
+                    .Distinct()
+                    .Count();
+                return new ShowSummaryDto(s.Id, s.Name, s.Kind, s.Episodes.Count, seasons, s.CreatedAt);
+            })
+            .ToList();
     }
 }