@article{stepguardlearningsteplevelguardrailswith,
  title = {StepGuard: Learning Step-Level Guardrails with Scalable Supervision and Safety-Utility Balancing},
  author = {Zhijie Zheng and Yu Li and Chen Qian and Yuqian Fu and Yanwei Fu and Lu Sheng and Jing Shao and Dongrui Liu},
  year = {2026},
  eprint = {2608.24777},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.24777},
}