Final Brief Input Token Count

{
  "causal": false,
  "event_id": "evt_b601dec3c0b826d97ececab2",
  "kind": "FinalBriefInputTokenCount",
  "payload": {
    "call_id": "final-brief-call_885240e9326ce018cc9fb577",
    "counter_id": "anthropic-messages-direct-v0.2",
    "input_tokens": 12760,
    "request_hash": "14323b6f7eb2f484f0507ba70bc9b3470d5bccb0dcea91ddfc37dc92030e92ce"
  },
  "phase": "collect_final_briefs",
  "run_id": "run9",
  "schema_version": "0.1",
  "sequence": 3981,
  "tick": 27
}