Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_a095602d73bddcc4a47d023e",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_cdfd24a7117a18266b46e679",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 12424,
    "request_hash": "b9c2971027809b82103d8d9221df6189cf7d5e57b72ed89b2d8d01512ba8c86b"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 3759,
  "tick": 26
}