@article{competencenotaccuracyadiagnosticforrefer,
  title = {Competence, Not Accuracy: A Diagnostic for Reference-Free Judge Gates in Skill Optimization},
  author = {Chenle Chen and Yangbo Wei and Chao Yao and Shaoqiang Lu and Junhong Qian and Chen Wu and Lei He},
  year = {2026},
  eprint = {2608.18719},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.18719},
}