Chain of custody for every agent action.

{
  "tenant_id": "griff-ai-public",
  "seq": 2,
  "previous_hash": "70d5c97505dcca511e4261a08e4a15b3db1586e2e86b38a6450cdd5c8b27a41a",
  "ts": "2026-05-06T16:00:03.600Z",
  "event": "policy.decision.computed",
  "source": "master-atc-public-demo",
  "payload": {
    "goal": "Policy engine allows Tier 3 public demo only after named human approval.",
    "agents": [
      "Policy engine",
      "Olivia-HQ",
      "MASTER ATC public simulator"
    ],
    "evidence_package": {
      "task_id": "public-demo-task-001",
      "attempt_id": "public-demo-attempt-002",
      "artifact_ids": [
        "demo://policy/master-atc-demo-policy-2026-05-06"
      ],
      "acceptance_mapping": [
        {
          "criterion": "Risk tier is visible",
          "satisfied": true,
          "evidence": "risk_tier=3"
        },
        {
          "criterion": "Approval requirement is recorded",
          "satisfied": true,
          "evidence": "requiredApproval=named_human_approval"
        },
        {
          "criterion": "Secrets and destructive operations remain denied",
          "satisfied": true,
          "evidence": "secretsTouched=false destructiveOperations=false"
        }
      ],
      "policy_clearance": {
        "forbidden_files_touched": false,
        "forbidden_commands_run": false,
        "budget_exceeded": false
      },
      "evidence_quality_score": 0.94
    },
    "judge_decision": {
      "decision": "allow",
      "confidence": 0.93,
      "hard_gates": {
        "tests_passed": true,
        "security_clear": true,
        "policy_clear": true,
        "evidence_complete": true,
        "budget_ok": true,
        "lease_valid": true
      },
      "votes": {
        "policy": "allow",
        "custody": "allow",
        "export": "allow"
      },
      "reason": "Tier 3 is permitted in the deterministic demo lane after human approval."
    },
    "cost_usd": 0,
    "runtime_seconds": 3.6
  },
  "hash": "5586df15d382a3120a47125de66ec72064cdf81df2af5901096dab12a2917723"
}