{
  "event_id": "evt-4f75",
  "trace_id": "trace-a9d4",
  "case_id": "case-7812",
  "task_id": "task-21",
  "parent_task_id": "task-17",
  "sequence_no": 42,
  "timestamp": "2026-08-21T04:18:22Z",
  "actor_type": "agent",
  "actor_id": "supplier-risk-analyst:v4",
  "activity_type": "a2a.delegate",
  "state_before": "investigating",
  "state_after": "awaiting_specialist",
  "tenant_id": "tenant-a",
  "purpose": "supplier-disruption-assessment",
  "model_profile": "reasoning-standard-v3",
  "tool_id": null,
  "peer_agent_id": "contract-specialist:v2",
  "authority_scope": ["read:supplier-contract"],
  "policy_decision_id": "pd-442",
  "evidence_refs": ["ev-1007", "ev-1031"],
  "artifact_refs": ["artifact-772"],
  "context_contract": "supplier-risk-context:v3",
  "context_fingerprint": "sha256:...",
  "payload_digest": "sha256:...",
  "input_tokens": 1840,
  "output_tokens": 214,
  "latency_ms": 1280,
  "cost_microunits": 8200,
  "retry_count": 0,
  "result_class": "accepted",
  "risk_tags": ["cross-domain-delegation"],
  "outcome_ref": null
}