{
  "case": "revh_fourhour_08",
  "disposition": "commissioning_only",
  "validation_accepted": false,
  "mesh": "revh_sequence_05, 3193565 cells",
  "known_defects": "4 low-determinant cells, 71820 concave cells, poor wall-layer coverage",
  "purpose": "User-authorized four-hour monitored exploratory continuation and hourly videos.",
  "guards": "Adaptive maxCo .5, maxDeltaT 25us, field extrema and flux histories, half-hour full checkpoints, wall-time stop.",
  "interpretation": "Three visible cycles would be an observation, not established periodic statistics or hardware validation."
}