export function formatActionError(err, fallback) {
  const message = err?.message || "";
  if (!message) return fallback;
  const normalized = message.toLowerCase();
  if (normalized.includes("ariadne unavailable") || normalized.includes("status 502") || normalized.includes("status 503")) {
    return "Ariadne is busy. Please try again in a moment.";
  }
  return message;
}