SPF draw hurdle v8 locked evaluation

Draw calibration preserves the conditional win/loss ratio.
marketmodelstatussampleslog_lossbrierrpshard_hitdraw_precisiondraw_recallpredicted_drawsactual_drawsbootstrap_improvement_probability
SPFM1_jointBASELINE130.6935664022065790.376894611986999750.00.84615384615384610.00.001
SPFM5-SPF-DRAW-HURDLEREJECTED130.71143305577236660.389256688256016340.00.84615384615384610.33333333333333331.0310.063