Add remaining model types and client methods

Models added:
- Disclaimer, ForeignAgent (credits.go)
- ArtistConcerts (concert.go)
- Dashboard, StationResult, Station, AdParams, GenerativeStream,
  GenerativeStreamData, GenerativeStreamInfo (radio.go)
- FileInfo, FileDownloadInfo, TrackFullInfo, SimilarTracks, TrackTrailer (track.go)
- Removed duplicate AdParams from feed.go

Client methods added:
- artists.go: GetArtistBriefInfo, GetArtistSimilar, GetArtistLinks,
  GetArtistAlsoAlbums, GetArtistDiscographyAlbums, GetArtistSafeDirectAlbums,
  GetArtistTrackIds, GetArtistAbout, GetArtistDonation, GetArtistInfo,
  GetArtistSkeleton, GetArtistTrailer
- albums.go: GetAlbumSimilarEntities, GetAlbumTrailer
- clips.go: GetClipsDisclaimer
- concerts.go: GetArtistConcerts, GetConcertSkeleton
- radio.go: GetRotorStationsDashboard, GetRotorStationsList,
  GetRotorStationInfo, GetRotorStationStream, GetRotorStationSettings
- supplements.go: GetTracksCredits, GetClipsCredits
- queue.go: GetQueuesList
- tracks.go: GetTracksFileInfo, GetTracksSimilar, GetTrackTrailer, GetTrackFullInfo

internal/models/concert.go

@@ -274,3 +274,49 @@ type ConcertSkeletonBlock struct {
 	Title string          `json:"title"`
 	Data  json.RawMessage `json:"data"`
 }
+
+// ArtistConcerts represents concerts by an artist.
+type ArtistConcerts struct {
+	BaseModel
+	ArtistTitle string     `json:"artist_title"`
+	Concerts    []Concert  `json:"concerts"`
+}
+
+// DeJSON deserializes ArtistConcerts from JSON data.
+func (ac *ArtistConcerts) DeJSON(data []byte, c ClientInterface) (Model, error) {
+	var raw map[string]json.RawMessage
+	if err := json.Unmarshal(data, &raw); err != nil {
+		return nil, err
+	}
+
+	acObj := &ArtistConcerts{BaseModel: *NewBaseModel(c)}
+
+	if v, ok := raw["artist_title"]; ok {
+		json.Unmarshal(v, &acObj.ArtistTitle)
+	}
+	if v, ok := raw["concerts"]; ok {
+		var concerts []Concert
+		json.Unmarshal(v, &concerts)
+		acObj.Concerts = concerts
+	}
+
+	return acObj, nil
+}
+
+// DeList deserializes a list of ArtistConcerts from JSON data.
+func (ac *ArtistConcerts) DeList(data []byte, c ClientInterface) ([]Model, error) {
+	var rawList []json.RawMessage
+	if err := json.Unmarshal(data, &rawList); err != nil {
+		return nil, err
+	}
+
+	result := make([]Model, 0, len(rawList))
+	for _, item := range rawList {
+		ac := &ArtistConcerts{BaseModel: *NewBaseModel(c)}
+		if err := json.Unmarshal(item, ac); err != nil {
+			continue
+		}
+		result = append(result, ac)
+	}
+	return result, nil
+}