Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_51924b737ea49393ecc0d06b",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_6ed084a97f996161ca50d359",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 7348,
    "request_hash": "a2a6da68b4538f42a783f9266799bd1d6282f927baad88dab54fefc913a11989"
  },
  "phase": "collect_final_briefs",
  "run_id": "run9",
  "schema_version": "0.1",
  "sequence": 805,
  "tick": 6
}