Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_81daf8963a31e28052aadd55",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_bdcb253df0269a09afe818f2",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 11287,
    "request_hash": "11c55ab896f9eb14c29b5df058dd7c566f2d429f6d0cac93a40a1444e74ff57d"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 4719,
  "tick": 32
}