@article{whatshouldaskillrememberqualitycosttrade,
  title = {What Should a Skill Remember? Quality--Cost Trade-offs in Cost-Aware Skill Rewriting for Language Model Agents},
  author = {Qinghua Xing and Yinda Chen and Yaping Jin and Zhenhe Wu and Bohan Lin and Hang Zhou and Xinghao Chen and Hanting Chen and Zhiwei Xiong},
  year = {2026},
  eprint = {2606.09421},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.09421},
}