BeyondSWE: Can Current Code Agent Survive Beyond Single-Repo Bug Fixing? - Guoxin Chen; Fanzhe Meng; Jiale Zhao; Minghao Li; Daixuan Cheng; Huatong Song; Jie Chen 007; Yuzhi Lin; Hui Chen; Xin Zhao 018; Ruihua Song; Chang Liu; et al. (CoRR, 2026)