ReacTOD: Bounded Neuro-Symbolic Agentic NLU for Zero-Shot Dialogue State Tracking. - Yanjun Lin; Zimo Xiao; Kartik Natarajan; Mahesh Sankaranarayanan; Niraj Nawanit; Rakshit Parashar; Austin Zhang; Karthik Konaraddi; Rishita Mote; Wei Niu (CoRR, 2026)