{
  "identity": "字段教学清单，非平台原生可导入工作流",
  "fields": {
    "Tables trigger": "Record Updated",
    "columns": [
      "sku：text",
      "stock/threshold/target：number",
      "draft_status：single-select none/open"
    ],
    "Condition": "stock < threshold AND draft_status != open",
    "write": "创建草稿后回写draft_status=open",
    "AI": "只解释原因；补货数=target-stock由代码计算"
  }
}