{
  "proposal_digest": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
  "policy_pack": {
    "id": "hubei-spot-bidding",
    "version": "2026.03"
  },
  "ok": true,
  "violations": [],
  "rules_evaluated": [
    "bid-format",
    "price-limits",
    "ledger-consistency",
    "lineage-integrity"
  ],
  "checked_at": "2026-03-14T08:30:00Z"
}