{
  "arm": "omp-r2",
  "track": "claude",
  "version": "18.1.14",
  "model": "claude-sonnet-5",
  "turn": 4,
  "reply": "OK4",
  "startedAt": "2026-09-08T05:48:28.428Z",
  "gapMs": 41,
  "promptSha256": "f64af1a5b6c07c281f7ac3f3e7cc532fca3a6274783d714a70834f058c70354b",
  "usage": {
    "input": 2,
    "output": 5,
    "cacheRead": 19587,
    "cacheWrite": 5265,
    "totalTokens": 24859,
    "cost": {
      "input": 0.000004,
      "output": 0.00005,
      "cacheRead": 0.003917400000000001,
      "cacheWrite": 0.0131625,
      "total": 0.0171339
    },
    "cttl": {
      "ephemeral5m": 5265
    }
  },
  "configuredTTL": "5m",
  "counterEvidence": "OMP agent_end usage (exclusive input)"
}