Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_cc5ae75b761b62306959f54e",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_fd1f0c945a05ffc4c25fa408",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 10747,
    "request_hash": "f4a490b8334329eb800d3ec2eaae4d9351476bbb5e7af51f4c3d6a0894ecae08"
  },
  "phase": "collect_final_briefs",
  "run_id": "run9",
  "schema_version": "0.1",
  "sequence": 2331,
  "tick": 17
}