@article{roleswithrailscontractpreservingroleevol,
  title = {Roles with Rails: Contract-Preserving Role Evolution in Multi-Agent Structured Reasoning},
  author = {Ling-Yue Ge and Lan-Zhe Guo},
  year = {2026},
  eprint = {2605.28433},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.28433},
}