Can Large Language Models Understand, Reason About, and Generate Code-Switched Text? - Genta Indra Winata; David Anugraha; Patrick Amadeus Irawan; Anirban Das; Haneul Yoo; Paresh Dashore; Shreyas Kulkarni; Ruochen Zhang 001; Haruki Sakajo; Frederikus Hudi; Anaelia Ovalle; Syrielle Montariol; et al. (CoRR, 2026)