{
  "schema": "silktrain-pilot-sample/v1",
  "synthetic": true,
  "locale": "zh-hant",
  "workflow": "time-series",
  "service": "data-documents",
  "title": "時間序列與感測器資料標註",
  "source_scenario": "監測訊號出現短暫壓力尖峰，之後有一段取樣缺漏。",
  "expected_delivery": "附起訖時間的事件、異常類型與缺失資料遮罩。",
  "acceptance_check": "核對時間基準，區分感測器中斷與實測零值。",
  "scoping_checklist": "準備具代表性的樣本、類別定義、邊界情況及標明單位或座標的匯出結構。",
  "examples": [
    {
      "id": "TS-01",
      "series": "demo_pressure",
      "start_s": 0,
      "end_s": 18.4,
      "label": "baseline",
      "unit": "kPa",
      "missing": false
    },
    {
      "id": "TS-02",
      "series": "demo_pressure",
      "start_s": 18.4,
      "end_s": 19.1,
      "label": "spike",
      "unit": "kPa",
      "missing": false
    },
    {
      "id": "TS-03",
      "series": "demo_pressure",
      "start_s": 25,
      "end_s": 25.6,
      "label": "sampling_gap",
      "unit": "kPa",
      "missing": true
    }
  ]
}