{
  "name": "fanying",
  "description": "测量反应速度（毫秒），通过点击色块变化测试反应能力",
  "category": "实用工具",
  "ui_url": "/tools/fanying/",
  "api_url": "/api/fanying/",
  "method": "POST",
  "parameters": {
    "reaction_ms": { "type": "number", "required": true, "description": "反应时间（毫秒）" }
  },
  "response": { "ms": "反应时间", "rating": "评级", "comparison": "横向对比" },
  "example": { "reaction_ms": 285 }
}