export interface QueueItemCodecDescriptor {
  /** Stable codec id, e.g. `"@app/EmailQueue/item@v1"`. */
  readonly id: string;
  /** Version string for drift checks (bump when encoded shape breaks). */
  readonly version: string;
  /** Wire encoding; `"json"` is the only supported value today. */
  readonly encoding: "json";
  /** Draft-07 JSON Schema for the **encoded** item payload. */
  readonly jsonSchema: JsonSchema.JsonSchema;
}