@article{fromnoisytracestorootcausesstructuraltra,
  title = {From Noisy Traces to Root Causes: Structural Trajectory Analysis and Causal Extraction for Agent Optimization},
  author = {Ying Chang and Jiahang Xu and Xuan Feng and Chenyuan Yang and Peng Cheng and Yuqing Yang},
  year = {2026},
  eprint = {2607.07702},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.07702},
}