@inproceedings{qi-etal-2026-trajdebug, title = "{TRAJDEBUG}: Tracing Error Lifecycle to Identify Critical Failures in Long-Horizon Agent Trajectories", author = "Qi, Yunjia and Yin, Zehua and Shi, Xintong and Peng, Hao and Lu, Songyuanyi and Liu, Yixian and Xuan, Richeng and Yuhong, Lliu and Hu, Zhichao and Wang, Xiaozhi and Hou, Lei and Xu, Bin and Li, Juanzi", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.findings-emnlp.437/", pages = "9169--9192", ISBN = "979-8-89176-462-0" }