{
  "experiment": "native-manual-calculation-stale-cache",
  "prepared_execution": true,
  "started_utc": "2026-11-15T07:01:11.1680028Z",
  "excel_version": "16.0",
  "excel_build": 20527,
  "mode": -4135,
  "before_budget": 645000,
  "source_before": 140000,
  "source_after": 140001,
  "stale_budget": 645000,
  "before_recalculation_state": 2,
  "recalculation_seconds": 0.0440077,
  "recalculated_budget": 645001,
  "after_recalculation_state": 0,
  "result": "PASS",
  "native_seconds": 3.002945,
  "api_ms": 3898,
  "controller_seconds": 3.9758502640006554,
  "per_task_usd": null,
  "cost_boundary": "Existing isolated research pilot; no attributable per-task operating cost measured."
}