Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_839979df3c720c3a6f773707",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_3cb99a9c191509db6558c86f",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 10551,
    "request_hash": "ac1ae051490db0be3010f32410c1f887713f3be1166525c7fbd64462b88ba3a0"
  },
  "phase": "collect_final_briefs",
  "run_id": "run9",
  "schema_version": "0.1",
  "sequence": 3554,
  "tick": 25
}