SQL-Trail: Multi-Turn Reinforcement Learning with Interleaved Feedback for Text-to-SQL. - Harper Hua; Zhen Han; Zhengyuan Shen; Jeremy Lee; Patrick Guan; Qi Zhu 008; Sullam Jeoung; Yueyan Chen; Yunfei Bai; Shuai Wang; Vassilis N. Ioannidis; Huzefa Rangwala (CoRR, 2026)