{
  "spec_version": 1,
  "domain": "source_license",
  "rules": [
    {
      "id": "R-BASIS-LICENSE",
      "title": "赛道与验证基底不相容（来源执照）",
      "severity": "HIGH",
      "matcher": {},
      "mechanical": [{"check": "basis_licensed", "issue_kind": "weak_source"}],
      "llm": [
        {
          "check": "basis_replace",
          "question": "该节点基底与赛道不相容：应替换为相容基底、降级还是移层？给出裁决与理由（允许基底见 evidence 字段）。",
          "expect": "替换基底 或 降权 或 移层"
        }
      ],
      "remedy": "替换基底 / 降权 / 移层（backfill / demote / move_layer）"
    }
  ]
}