DR. Nav: Semantic-Geometric Representations for Proactive Dead-End Recovery and Navigation. - Vignesh Rajagopal; Kasun Weerakoon Kulathun Mudiyanselage; Gershom Seneviratne; Pon Aswin Sankaralingam; Mohamed Elnoor; Jing Liang 006; Rohan Chandra; Dinesh Manocha (CoRR, 2025)