Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_eff107d749d463c789432f88",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_d57555ff120dee2969983088",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 9075,
    "request_hash": "3487b703e2cb813976b592817c798077c618b2831ec20a4b82b06416f2be8187"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 7362,
  "tick": 48
}