Add missing model fields from Python audit

LandingList: Added type, type_for_from, title, id, new_releases, new_playlists, podcasts
New type: PlaylistID
Presaves: Added upcoming_albums, released_albums
Presaves: Added DeJSON method
QueueItem: Added id, context, modified fields (fixed duplicate context)
Clip: Fixed PreviewURI → PreviewURL field name

internal/models/landing.go

@@ -102,10 +102,61 @@ type LandingBlockData struct {
 // LandingList represents a list of landings.
 type LandingList struct {
 	BaseModel
-	Landings []Landing `json:"landings"`
-	Total    int       `json:"total"`
-	Page     int       `json:"page"`
-	PageSize int       `json:"page_size"`
+	Type           string         `json:"type"`
+	TypeForFrom    string         `json:"type_for_from"`
+	Title          string         `json:"title"`
+	ID             string         `json:"id"`
+	Landings       []Landing      `json:"landings"`
+	NewReleases    []int          `json:"new_releases"`
+	NewPlaylists   []PlaylistID   `json:"new_playlists"`
+	Podcasts       []int          `json:"podcasts"`
+	Total          int            `json:"total"`
+	Page           int            `json:"page"`
+	PageSize       int            `json:"page_size"`
+}
+
+// PlaylistID represents a playlist ID reference.
+type PlaylistID struct {
+	BaseModel
+	UID     int    `json:"uid"`
+	Kind    int    `json:"kind"`
+}
+
+// DeJSON deserializes a PlaylistID from JSON data.
+func (pid *PlaylistID) DeJSON(data []byte, c ClientInterface) (Model, error) {
+	var raw map[string]json.RawMessage
+	if err := json.Unmarshal(data, &raw); err != nil {
+		return nil, err
+	}
+
+	playlistID := &PlaylistID{BaseModel: *NewBaseModel(c)}
+
+	if v, ok := raw["uid"]; ok {
+		json.Unmarshal(v, &playlistID.UID)
+	}
+	if v, ok := raw["kind"]; ok {
+		json.Unmarshal(v, &playlistID.Kind)
+	}
+
+	return playlistID, nil
+}
+
+// DeList deserializes a list of PlaylistID from JSON data.
+func (pid *PlaylistID) 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 {
+		pid := &PlaylistID{BaseModel: *NewBaseModel(c)}
+		if err := json.Unmarshal(item, pid); err != nil {
+			continue
+		}
+		result = append(result, pid)
+	}
+	return result, nil
 }
 
 // DeJSON deserializes a LandingList from JSON data.