Lightroom Album

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://lr.adobe.io/schemas/lightroom/album.json",
  "title": "Lightroom Album",
  "description": "Schema for an Adobe Lightroom album. Albums organize assets into user-defined collections within a catalog. Albums can be regular collections, collection sets (folders containing other albums), or projects.",
  "type": "object",
  "required": [
    "id",
    "type",
    "subtype"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the album (UUID format)"
    },
    "type": {
      "type": "string",
      "description": "Resource type identifier",
      "const": "album"
    },
    "subtype": {
      "type": "string",
      "description": "Album subtype determining its organizational role",
      "enum": [
        "collection",
        "collection_set",
        "project"
      ]
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "Server-side timestamp when the album was created"
    },
    "updated": {
      "type": "string",
      "format": "date-time",
      "description": "Server-side timestamp when the album was last updated"
    },
    "payload": {
      "type": "object",
      "description": "Album metadata payload",
      "required": [
        "name"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "Display name of the album"
        },
        "userCreated": {
          "type": "string",
          "format": "date-time",
          "description": "User-side timestamp when the album was created"
        },
        "userUpdated": {
          "type": "string",
          "format": "date-time",
          "description": "User-side timestamp when the album was last updated"
        },
        "cover": {
          "$ref": "#/$defs/CoverAsset"
        },
        "parent": {
          "$ref": "#/$defs/ParentAlbum"
        }
      }
    },
    "links": {
      "$ref": "#/$defs/Links"
    }
  },
  "$defs": {
    "CoverAsset": {
      "type": "object",
      "description": "Reference to the asset used as the album cover image",
      "properties": {
        "id": {
          "type": "string",
          "description": "Asset ID of the cover image"
        }
      },
      "required": [
        "id"
      ]
    },
    "ParentAlbum": {
      "type": "object",
      "description": "Reference to the parent album for nested album organization",
      "properties": {
        "id": {
          "type": "string",
          "description": "Parent album ID (must be a collection_set)"
        }
      },
      "required": [
        "id"
      ]
    },
    "Links": {
      "type": "object",
      "description": "HATEOAS navigation links",
      "properties": {
        "self": {
          "$ref": "#/$defs/Link"
        },
        "assets": {
          "$ref": "#/$defs/Link"
        }
      },
      "additionalProperties": {
        "$ref": "#/$defs/Link"
      }
    },
    "Link": {
      "type": "object",
      "properties": {
        "href": {
          "type": "string",
          "description": "URL of the linked resource"
        }
      },
      "required": [
        "href"
      ]
    }
  }
}