"Like Having Family Nearby": An LLM-Powered Family-Resembling Avatar for offering Psychological Support and Training Guidance during Stroke Rehabilitation. - Peixuan Xiong; Bingchen Guo; Chao Liu 008; Zhenyu Wang; Xian Li; Nianci Zhao; Kaishun Wu; Xian Li; Chen Gong; Yuling Wang; Mingming Fan 001 (CHI Extended Abstracts, 2026)