Fix TrackShort.Lyrics type mismatch

TrackShort.Lyrics was SupplementLyrics but Python reference shows it should be TrackLyricsInfo
(has_available_sync_lyrics, has_available_text_lyrics fields)

internal/models/track_short.go

@@ -23,7 +23,7 @@ type TrackShort struct {
 	R128                     *R128             `json:"r128"`
 	TrackSharingFlag         string            `json:"track_sharing_flag"`
 	Major                    *Major            `json:"major"`
-	Lyrics                   *SupplementLyrics `json:"lyrics"`
+	Lyrics                   *TrackLyricsInfo  `json:"lyrics"`
 	SimilarTracks            []TrackShort      `json:"similar_tracks"`
 	DownloadInfo             []DownloadInfo    `json:"download_info"`
 	// Additional fields from track_short.py
@@ -105,7 +105,7 @@ func (t *TrackShort) DeJSON(data []byte, c ClientInterface) (Model, error) {
 		}
 	}
 	if v, ok := raw["lyrics"]; ok {
-		var lyrics SupplementLyrics
+		var lyrics TrackLyricsInfo
 		if err := json.Unmarshal(v, &lyrics); err == nil {
 			track.Lyrics = &lyrics
 		}