{
  "service": "xai-api-proxy",
  "auth": "每次请求需带 Authorization: Bearer <xai-key> 或 X-XAI-API-Key: <xai-key>",
  "paths": [
    "POST /v1/images/generations",
    "POST /v1/images/edits"
  ],
  "ping": "GET /ping"
}