Fix API endpoints: resource IDs in URL path, not query params

- artists/{artist_id}/tracks and /direct-albums: artistID in path, return ArtistTracks/ArtistAlbums with pager
- likes: /users/me/likes/{type}s/{add-multiple|remove}, IDs as body params
- queue: /queues/{queue_id}/... instead of /queue/...?queue_id=...
- radio: /rotor/station/{station_id}/info and /tracks
- concerts: /concerts/{concert_id}/info, /concerts/tab-config
- playlists: /users/{user_id}/playlists
- labels: /labels/{label_id}, /albums, /artists
- clips: /clips/will/like, /artists/{artist_id}/blocks/artist-clips
- feed: /landing3/* endpoints

Co-Authored-By: Claude Code <noreply@anthropic.com>

internal/client/artists.go

@@ -44,46 +44,33 @@ func (c *Client) GetArtist(ctx context.Context, artistID string) (*models.Artist
 }
 
 // GetArtistAlbums gets albums by an artist
-func (c *Client) GetArtistAlbums(ctx context.Context, artistID string, page, pageSize int) ([]*models.Album, error) {
+// GET /artists/{artist_id}/direct-albums
+func (c *Client) GetArtistAlbums(ctx context.Context, artistID string, page, pageSize int) (*models.ArtistAlbums, error) {
 	params := map[string]string{
-		"artist-id": artistID,
 		"page":      fmt.Sprintf("%d", page),
 		"page-size": fmt.Sprintf("%d", pageSize),
 	}
 
-	var result []models.Album
-	if err := c.request.Get(ctx, "/artists/albums", params, &result); err != nil {
+	var result models.ArtistAlbums
+	if err := c.request.Get(ctx, fmt.Sprintf("/artists/%s/direct-albums", artistID), params, &result); err != nil {
 		return nil, err
 	}
-
-	albums := make([]*models.Album, len(result))
-	for i := range result {
-		result[i].SetClient(c)
-		albums[i] = &result[i]
-	}
-	return albums, nil
+	result.SetClient(c)
+	return &result, nil
 }
 
 // GetArtistTracks gets tracks by an artist
-func (c *Client) GetArtistTracks(ctx context.Context, artistID string, page, pageSize int) ([]*models.Track, error) {
+// GET /artists/{artist_id}/tracks
+func (c *Client) GetArtistTracks(ctx context.Context, artistID string, page, pageSize int) (*models.ArtistTracks, error) {
 	params := map[string]string{
-		"artist-id": artistID,
 		"page":      fmt.Sprintf("%d", page),
 		"page-size": fmt.Sprintf("%d", pageSize),
 	}
 
-	var result []models.Track
-	if err := c.request.Get(ctx, "/artists/tracks", params, &result); err != nil {
+	var result models.ArtistTracks
+	if err := c.request.Get(ctx, fmt.Sprintf("/artists/%s/tracks", artistID), params, &result); err != nil {
 		return nil, err
 	}
-
-	tracks := make([]*models.Track, len(result))
-	for i := range result {
-		result[i].SetClient(c)
-		tracks[i] = &result[i]
-	}
-	return tracks, nil
+	result.SetClient(c)
+	return &result, nil
 }
-
-// Need to add fmt import
-// "fmt"