{
  "schema": "fak.isolation-bench/v1",
  "seed": 42,
  "scope": "l3-working-set",
  "generated_at": "2026-06-27",
  "git_commit": "unknown",
  "corpus_size": 14,
  "passed_cases": 14,
  "baseline_fails": true,
  "baseline_failed_cases": 4,
  "valid": true,
  "boundary": "fak's structural floor over a fak-authored read-back corpus, NOT a public-leaderboard rank; the max|Δ|=0 / L3 all-miss / scope-refusal witnesses are the honest figures, never a vs-naive-cache multiple"
}