{
  "model": "jev-latest",
  "state": {
    "article": "把注册表单从 7 项减到 3 项：移除职位、公司规模，合并姓名。两周完成率从 28% 到 39%，附对照表。",
    "complete_material": true
  },
  "questions": {
    "has_steps": {
      "type": "noul",
      "instructions": "Does state.article describe concrete actions that a reader can reproduce?"
    },
    "has_results": {
      "type": "noul",
      "instructions": "Does state.article report a concrete observed result, rather than a vague promise?"
    },
    "complete_material": {
      "type": "noul",
      "instructions": "Does state.complete_material explicitly say this is the complete material for this screening task?"
    }
  }
}