Media

type AssetKind = "audio" | "image" | "video";
type AssetAvailability = "ready" | "placeholder";

interface Asset {
  readonly id: string;
  readonly kind: AssetKind;
  readonly label: string;
  readonly availability: AssetAvailability; // "placeholder" until a file is attached
  readonly file: string | null;             // local storage identity
  readonly expectedFile?: string;
  readonly mimeType: string;
  readonly sha256?: string;                 // digest of the stored file
  readonly byteSize?: number;
  readonly metadata?: Readonly<Record<string, unknown>>; // e.g. duration, dimensions
}