Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_e5ea8f671192340fb9cc1963",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_007775092e53eb40bc7f2f8d",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 7581,
    "request_hash": "efbb19f2473862b50b0b507704fb8c9cf6d2a7944f93860b6c47fb091cc2a0da"
  },
  "phase": "collect_final_briefs",
  "run_id": "run9",
  "schema_version": "0.1",
  "sequence": 3362,
  "tick": 24
}