{
  "status": "passed",
  "nativeHistories": 511,
  "checks": [
    "All histories of length 0\u20138 agree with native delta trace evaluations",
    "Every exposed sequence checked through DOM controls",
    "Limits, reset, order comparison, static example and anchors checked",
    "A deliberately incorrect net-change fixture was rejected"
  ],
  "scope": "Finite browser correspondence; all-finite-history claims have separate Lean proofs"
}