ProAgent: Harnessing On-Demand Sensory Contexts for Proactive LLM Agent Systems. - Bufang Yang; Lilin Xu; Liekang Zeng; Yunqi Guo; Siyang Jiang; Wenrui Lu; Kaiwei Liu 001; Hancheng Xiang; Xiaofan Jiang 001; Guoliang Xing; Zhenyu Yan 002 (CoRR, 2025)