@article{coveragenotcreditfailurecreditroutingofz,
  title = {Coverage, Not Credit: Failure-Credit Routing of Zeroth-Order Perturbation Budgets Does Not Improve On-Pool Sample Efficiency for LLM Agents},
  author = {Yuxu Ge},
  year = {2026},
  eprint = {2608.28011},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.28011},
}