Detecting Emotional Dynamic Trajectories: An Evaluation Framework for Emotional Support in Language Models. - Zhouxing Tan; Ruochong Xiong; Yulong Wan; Jinlong Ma; Hanlin Xue; Qichun Deng; Haifeng Jing; Zhengtong Zhang; Depei Liu; Shiyuan Luo; Junfei Liu (CoRR, 2025)