Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_ff1c9bd96eb91abafae4c5f4",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_a60e49267bb7cd8e01725118",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 7555,
    "request_hash": "8dff36f7d3752ba68dfc1a28b5fb1eff33846e2d3a0054f09ea074e1699cbea0"
  },
  "phase": "collect_final_briefs",
  "run_id": "run9",
  "schema_version": "0.1",
  "sequence": 807,
  "tick": 6
}