Function player_add_track_by_id 

pub async fn player_add_track_by_id(
    player: State<'_, PlayerStateWrapper>,
    db: State<'_, DatabaseWrapper>,
    repository_manager: State<'_, RepositoryManagerWrapper>,
    repository_handle: String,
    request: AddTrackByIdRequest,
) -> Result<QueueStatus, String>

Add a track to queue by ID - backend fetches metadata and constructs URLs