Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_8cd57651ba2580fb917aef30",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_7110c306603148cf3c1b3fbe",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 8811,
    "request_hash": "30ff046382198f47b877bf372380881462cb424cb22fa2e4dc75974d0c74137d"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 6382,
  "tick": 42
}