{
  "files": [
    {
      "name": "brief.txt",
      "summary": "这是虚构演示附件brief.txt，用于核对清单与摘要。"
    },
    {
      "name": "items.txt",
      "summary": "这是虚构演示附件items.txt，用于核对清单与摘要。"
    }
  ]
}