Polite on the Surface, Wrong in Practice: A Curated Dataset for Fixing Honorific Failures in Multilingual Bangla Generation. - Md. Asaduzzaman Shuvo; Mahedi Hasan; Md. Tashin Parvez; Azizul Haque Noman; Md. Shafayet Hossain Ovi (CoRR, 2026)