{
  "title": "事件选择后保留通道信息再交付 FCS",
  "scope": "原创 4 事件样例；输出是格式交换数据，不是临床分析或真实用户证明。",
  "steps": [
    {
      "args": [
        "tools/fcs.mjs",
        "create",
        "{out}/events.fcs",
        "--options",
        "examples/events.json"
      ]
    },
    {
      "args": [
        "tools/fcs.mjs",
        "subset",
        "{out}/events.fcs",
        "{out}/selected.fcs",
        "--options",
        "examples/gate.json"
      ]
    },
    {
      "args": [
        "tools/fcs.mjs",
        "csv",
        "{out}/selected.fcs",
        "{out}/selected.csv"
      ]
    },
    {
      "args": [
        "tools/fcs.mjs",
        "inspect",
        "{out}/selected.fcs"
      ]
    }
  ],
  "expected": "选出 FSC-A 在 [15,35) 的两个事件并保留两个指定通道；CSV 和 FCS 均可交付。"
}