{
  "schema": "ab5d-essay-generation/1",
  "model": "gpt-6-astra",
  "displayName": "GPT-6 Astra",
  "scope": "Rhythm research, manuscript, source package and presentation preparation, plus final P:X checks.",
  "essayCount": 1,
  "perEssayUsage": null,
  "usage": {
    "inputTokens": 3691716,
    "cachedInputTokens": 3638528,
    "outputTokens": 8280,
    "reasoningOutputTokens": 268,
    "totalTokens": 3699996
  },
  "usageSummary": "across Rhythm research and drafting, plus final P:X checks.",
  "usageDetail": "Measured shared interval including cached input. Work covered by preceding shared intervals is not counted again here. This is not an isolated per-essay cost. Later deployment excluded.",
  "accounting": "Cached input is included in input tokens; reasoning output is included in output tokens. Total is input plus output.",
  "source": "Local Codex session cumulative telemetry difference between recorded boundaries",
  "baselineAt": "2026-09-17T20:22:12.163Z",
  "recordedAt": "2026-09-17T20:25:55.887Z"
}