export function resolveRequestUrl(input: RequestInfo | URL): string {
  if (typeof input === "string") {
    return input;
  }
  if (input instanceof URL) {
    return input.toString();
  }
  if (typeof input === "object" && input && "url" in input && typeof input.url === "string") {
    return input.url;
  }
  // Fallback: input is a Request-like object; extract .url if available
  return typeof (input as Request).url === "string"
    ? (input as Request).url
    : JSON.stringify(input);
}