{
  "ok": true,
  "role": "ws-relay",
  "relay": "https://wstun-fast.wstun26vg9.workers.dev/",
  "colo": "CMH",
  "ws_path": "/ (带上 ?a=<token>&m=up)",
  "note": "把 WebSocket 原样透传给已落美东的 Worker"
}