HHAD dual-boundary v8 locked evaluation

M3 supplies ordered probabilities; draw and cover gates only change the audited decision.
marketmodelstatussampleslog_lossbrierrpshard_hitdraw_precisiondraw_recallpredicted_drawsactual_drawsletwin_false_ratebootstrap_improvement_probability
HHADM1_jointBASELINE71.29403723516993650.81145830187883950.469763984077562370.142857142857142850.00.0041.0
HHADM5-HHAD-DUAL-BOUNDARYREJECTED71.32343236245928080.84053950434425670.52138706913924540.00.00.0141.00.355