{
  "total_cost": 4.37,
  "input_tokens": 812000,
  "output_tokens": 61000,
  "duration_seconds": 2140,
  "start_time": "2026-10-10T18:12:00Z",
  "end_time": "2026-10-10T18:47:40Z",
  "cost_per_hour": 7.35,
  "cost_source": "measured",
  "virtual_key_id": "tool"
}