Add logging to Spotify lyrics search for better debugging

Show when Spotify search is skipped, fails, or finds no matches

allstarr/Services/Lyrics/SpotifyLyricsService.cs

@@ -136,6 +136,7 @@ public class SpotifyLyricsService
     {
         if (!_settings.Enabled || string.IsNullOrEmpty(_settings.SessionCookie))
         {
+            _logger.LogDebug("Spotify lyrics search skipped: API not enabled or no session cookie");
             return null;
         }
         
@@ -144,6 +145,7 @@ public class SpotifyLyricsService
             var token = await _spotifyClient.GetWebAccessTokenAsync();
             if (string.IsNullOrEmpty(token))
             {
+                _logger.LogWarning("Could not get Spotify access token for lyrics search");
                 return null;
             }
             
@@ -154,6 +156,8 @@ public class SpotifyLyricsService
                 query += $" album:{albumName}";
             }
             
+            _logger.LogDebug("Searching Spotify for lyrics: {Query}", query);
+            
             var searchUrl = $"https://api.spotify.com/v1/search?q={Uri.EscapeDataString(query)}&type=track&limit=5";
             
             var request = new HttpRequestMessage(HttpMethod.Get, searchUrl);
@@ -162,6 +166,7 @@ public class SpotifyLyricsService
             var response = await _httpClient.SendAsync(request);
             if (!response.IsSuccessStatusCode)
             {
+                _logger.LogWarning("Spotify search failed with status {StatusCode}", response.StatusCode);
                 return null;
             }
             
@@ -173,6 +178,7 @@ public class SpotifyLyricsService
                 !tracks.TryGetProperty("items", out var items) ||
                 items.GetArrayLength() == 0)
             {
+                _logger.LogInformation("No Spotify tracks found for: {Track} - {Artist}", trackName, artistName);
                 return null;
             }
             
@@ -205,9 +211,11 @@ public class SpotifyLyricsService
             
             if (!string.IsNullOrEmpty(bestMatchId))
             {
+                _logger.LogDebug("Found Spotify track match: {TrackId} (score: {Score})", bestMatchId, bestScore);
                 return await GetLyricsByTrackIdAsync(bestMatchId);
             }
             
+            _logger.LogInformation("No suitable Spotify track match found for: {Track} - {Artist}", trackName, artistName);
             return null;
         }
         catch (Exception ex)