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e5b68acf69
Synthetic and live scores share an axis with meaningful zero (raw scores carry a common <mu,v> offset since v = mean diff is not orthogonal to the family mean). Zones come from label-free online stats (EMA mean/std + Otsu valley), replacing mean+k*sd which placed both cuts beyond every distribution. Winsorize at 1/99% before Otsu: variance-maximizing cuts otherwise buy a class for one outlier. Fresh-eyes review verified z-norm is affine (AUROCs unchanged), zones label-free, P/R recompute from parquet matches titles. Co-Authored-By: Claudypoo <288921227+claudypoo@users.noreply.github.com>