@article{3spostatescoresupervisedpolicyoptimizati,
  title = {3SPO: State-Score-Supervised Policy Optimization for LLM Agents},
  author = {Yu Han and Kailing Li and Yang Jiao and Yulin Dai and Yuqian Fu and Linhai Zhuo and Tianwen Qian},
  year = {2026},
  eprint = {2606.09961},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.09961},
}