{
 "ok": true,
 "service": "gemini-edge",
 "region_pin": "apac-ne",
 "auth": "x-proxy-key | Authorization: Bearer | x-goog-api-key",
 "routes": [
  "GET  /v1/models               (OpenAI 格式)",
  "POST /v1/chat/completions     (OpenAI 格式，支援 stream 同 tools)",
  "ANY  /v1beta/... | /v1/...    (Gemini 原生直通)",
  "GET  /__geo                   (睇出口機房)"
 ]
}