{
  "gate": "conditional",
  "checked_at": "2026-04-20T18:26:46.639Z",
  "summary": "importer packet 基本可用，但当前仍有部分缺口或 cross-mode 信息不完整",
  "checks": [
    {
      "name": "preview_live_artifact_presence",
      "status": "warn",
      "detail": "至少缺一套 importer metrics snapshot，cross-mode integrity 不完整"
    },
    {
      "name": "preview_latest_vs_peak_recomputable",
      "status": "pass",
      "detail": "0.5928194619112125 vs 0.5928194619112125"
    }
  ]
}