Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_85d1f39788ee2cad3b7524e5",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_48ab5195fff19d20879d2aef",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 6825,
    "request_hash": "c344aef3c48138a4662012fa1edc01340500ee70acb6c47f30f6fccbb22210cb"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 1239,
  "tick": 9
}