@article{evosparkendogenousinteractiveagentsociet,
  title = {EvoSpark: Endogenous Interactive Agent Societies for Unified Long-Horizon Narrative Evolution},
  author = {Shiyu He and Minchi Kuang and Mengxian Wang and Bin Hu and Tingxiang Gu},
  year = {2026},
  eprint = {2604.12776},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.12776},
}