export default async function (ctx: FunctionContext) {
  // Without API v3 decryption, notifications cannot identify the paid order.
  // Acknowledge receipt only; authenticated queries, login recovery and jobs confirm payment with WeChat.
  // Never trust plaintext payment fields supplied by the caller.
  ctx.response?.status(200);
  return { code: "SUCCESS", message: "通知已接收，支付结果由服务端查单确认" };
}