@article{modelorharnessaninteractioncentrictaxono,
  title = {Model or Harness? An Interaction-Centric Taxonomy for Localizing Agent Failures},
  author = {Harsh Raj and Vipul Gupta and Anas Mahmoud and Razvan-Gabriel Dumitru and Darvin Yi and Aakash Sabharwal and Yunzhong He},
  year = {2026},
  eprint = {2607.28802},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.28802},
}