Add debug logging for Spotify playlist ChildCount updates

- Log when checking items for Spotify playlists
- Log cache lookups and file cache fallbacks
- Log successful ChildCount updates
- Log when no Spotify playlists found
- Helps diagnose why playlist counts might not be updating correctly

allstarr/Controllers/JellyfinController.cs

@@ -1864,6 +1864,7 @@ public class JellyfinController : ControllerBase
             // Modify response if it contains Spotify playlists to update ChildCount
             if (_spotifySettings.Enabled && result.RootElement.TryGetProperty("Items", out var items))
             {
+                _logger.LogInformation("Response has Items property, checking for Spotify playlists to update counts");
                 result = await UpdateSpotifyPlaylistCounts(result);
             }
 
@@ -1896,6 +1897,8 @@ public class JellyfinController : ControllerBase
             var modified = false;
             var updatedItems = new List<Dictionary<string, object>>();
 
+            _logger.LogInformation("Checking {Count} items for Spotify playlists", itemsArray.Count);
+
             foreach (var item in itemsArray)
             {
                 var itemDict = JsonSerializer.Deserialize<Dictionary<string, object>>(item.GetRawText());
@@ -1908,9 +1911,13 @@ public class JellyfinController : ControllerBase
                 if (item.TryGetProperty("Id", out var idProp))
                 {
                     var playlistId = idProp.GetString();
+                    _logger.LogDebug("Checking item with ID: {Id}", playlistId);
+                    
                     if (!string.IsNullOrEmpty(playlistId) && 
                         _spotifySettings.PlaylistIds.Any(id => id.Equals(playlistId, StringComparison.OrdinalIgnoreCase)))
                     {
+                        _logger.LogInformation("Found Spotify playlist: {Id}", playlistId);
+                        
                         // This is a Spotify playlist - get the actual track count
                         var playlistIndex = _spotifySettings.PlaylistIds.FindIndex(id => 
                             id.Equals(playlistId, StringComparison.OrdinalIgnoreCase));
@@ -1921,10 +1928,15 @@ public class JellyfinController : ControllerBase
                             var missingTracksKey = $"spotify:missing:{playlistName}";
                             var missingTracks = await _cache.GetAsync<List<allstarr.Models.Spotify.MissingTrack>>(missingTracksKey);
                             
+                            _logger.LogInformation("Cache lookup for {Key}: {Count} tracks", 
+                                missingTracksKey, missingTracks?.Count ?? 0);
+                            
                             // Fallback to file cache
                             if (missingTracks == null || missingTracks.Count == 0)
                             {
+                                _logger.LogInformation("Trying file cache for {Name}", playlistName);
                                 missingTracks = await LoadMissingTracksFromFile(playlistName);
+                                _logger.LogInformation("File cache result: {Count} tracks", missingTracks?.Count ?? 0);
                             }
                             
                             if (missingTracks != null && missingTracks.Count > 0)
@@ -1932,9 +1944,13 @@ public class JellyfinController : ControllerBase
                                 // Update ChildCount to show the number of tracks we'll provide
                                 itemDict["ChildCount"] = missingTracks.Count;
                                 modified = true;
-                                _logger.LogDebug("Updated ChildCount for Spotify playlist {Name} to {Count}", 
+                                _logger.LogInformation("✓ Updated ChildCount for Spotify playlist {Name} to {Count}", 
                                     playlistName, missingTracks.Count);
                             }
+                            else
+                            {
+                                _logger.LogWarning("No missing tracks found for {Name}", playlistName);
+                            }
                         }
                     }
                 }
@@ -1944,9 +1960,13 @@ public class JellyfinController : ControllerBase
 
             if (!modified)
             {
+                _logger.LogInformation("No Spotify playlists found to update");
                 return response;
             }
 
+            _logger.LogInformation("Modified {Count} Spotify playlists, rebuilding response", 
+                updatedItems.Count(i => i.ContainsKey("ChildCount")));
+
             // Rebuild the response with updated items
             var responseDict = JsonSerializer.Deserialize<Dictionary<string, object>>(response.RootElement.GetRawText());
             if (responseDict != null)