{
  "pages": [
    {
      "page_no": 1,
      "summary": "连接底座与支架并检查紧固。"
    },
    {
      "page_no": 2,
      "summary": "转动旋钮调节并检查稳定。"
    },
    {
      "page_no": 3,
      "summary": "清洁折叠，保存螺丝。"
    }
  ],
  "missing_pages": [],
  "page_count": 3,
  "_evidence": "human-authored-expected-output-not-live-run"
}