export function successEnvelope<Value>(
  data: Value,
  requestId = "fixture-request",
) {
  return Object.freeze({
    success: true as const,
    data: structuredClone(data),
    meta: Object.freeze({
      requestId,
      traceId: "fixture-trace",
    }),
  });
}

export function failureEnvelope(
  code: string,
  details?: Readonly<Record<string, unknown>>,
) {
  return Object.freeze({
    success: false as const,
    error: Object.freeze({
      code,
      ...(details ? { details: structuredClone(details) } : {}),
    }),
    meta: Object.freeze({
      requestId: "fixture-request",
      traceId: "fixture-trace",
    }),
  });
}