arxivcs.SE2026-07-31
Reusing Past Repairs Through Hierarchical Trajectory Abstraction for Coding Agents
Yisen Xu, Jiayuan Zhou, Ruiqi Pan, Tse-Hsun Chen
Although LLM-driven repair agents can tackle complex, repository-level issues, they treat every issue independently and discard the procedural knowledge accumulated from previous repairs. We introduce STAIR, a framework that converts historical repair trajectories into hierarchic…