Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_32405a2ff245125f62933dfb",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_bba7efbd5665d67c00425c8e",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 6765,
    "request_hash": "e0718fffe2c5ac16e36f7c60b43e0cf20d2dce6c8a54ee1af0686b6fbb527a06"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 1235,
  "tick": 9
}