{
  "version": "fak-calibrate/v1",
  "prediction": {
    "metric": "cross_session_warm_hit_rate",
    "claimed": 0.17,
    "unit": "fraction",
    "basis": "fixed point estimate before any corpus was back-tested",
    "lower_is_better": false
  },
  "measurement": {
    "realized": 0.0,
    "provenance": "OBSERVED",
    "source": "no billed corpus available for this workload yet",
    "measured": false,
    "sample": 0
  },
  "band": { "calibrated_max": 0.10, "min_sample": 8 },
  "verdict": "INSUFFICIENT",
  "reason": "no ground truth existed to score the 0.17 claim against — reported INSUFFICIENT, never rounded up to CALIBRATED (cf. the warm-hit bimodal lesson #963: a point estimate must be back-tested before it is defaulted on)"
}