Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_f1a784caf87f088ad251a781",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_bb9c32e78a925fdb093eaeb7",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 7539,
    "request_hash": "951f4b3003bd6061cda50707b3c925eaa412b12fa89b03628d18403b1275ba8a"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 808,
  "tick": 6
}