Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_92b36b30af22c4f7b7db312c",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_4d72840bd360ebceb45e0629",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 11747,
    "request_hash": "601720c7b20bdf0605ab41c46016fb99fa350fffb07ea6d3986ad5a3535908e3"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 4717,
  "tick": 32
}