When Simulation Lies: A Sim-to-Real Benchmark and Domain-Randomized RL Recipe for Tool-Use Agents. - Xiaolin Zhou; Aojie Yuan; Zheng Luo; Zipeng Ling; Xixiao Pan; Yicheng Gao; Haiyue Zhang; Jiate Li; Shuli Jiang; Prince Zizhuang Wang; Zixuan Zhu; Jinbo Liu; et al. (CoRR, 2026)