@article{functionawarefillinthemiddleasmidtrainin, title = {Function-Aware Fill-in-the-Middle as Mid-Training for Coding Agent Foundation Models}, author = {Yubo Wang and Jiarong Liang and Yuxuan Zhang and Xuye Liu and Cong Wei and Yuyu Zhang and Ping Nie and Wenhu Chen}, year = {2026}, eprint = {2607.12463}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2607.12463}, }