Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_c7f7abff4aefbebc01ddea39",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_904960093c0ddab95d732383",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 7642,
    "request_hash": "96b65571fd280564f3bbf7ed56365f93ab24b2da55b7b2afb4739e6323e95a8d"
  },
  "phase": "collect_final_briefs",
  "run_id": "run8",
  "schema_version": "0.1",
  "sequence": 810,
  "tick": 6
}