@article{hierarchicalselfimprovementaframeworkfor,
  title = {Hierarchical Self-Improvement: A Framework for Task-Specific Evolvable Agent Harnesses},
  author = {Tailin Zhou},
  year = {2026},
  eprint = {2608.08466},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.08466},
}