{
  "specialist_contracts": [
    {
      "name": "researcher",
      "description": "只读材料，返回doc_id与行号",
      "returns": [
        "model_id",
        "evidence"
      ]
    },
    {
      "name": "calculator",
      "description": "只做Decimal计算，不猜型号",
      "returns": [
        "total",
        "formula"
      ]
    }
  ],
  "bad_brief_missing": [
    "input scope",
    "return schema",
    "source ownership"
  ],
  "full_history_shared": false,
  "delegation_executed": false,
  "evidence_kind": "author input/reference computation, not a target product or model run",
  "paid_or_network_model_calls": 0
}
