Worked on the Buck2 Prelude repository to address a critical bug in the Erlang build process, focusing on artifact type recognition. Applied expertise in build systems and debugging to make artifact handling case-insensitive, resolving failures caused by mismatched artifact classifications from a previous update. This targeted Python patch improved the reliability of continuous integration workflows by reducing build errors related to artifact identification. The change was delivered as a single, traceable commit, aligning with prior modifications to the Erlang build path. No new user-facing features were introduced during this period, with efforts concentrated on backend stability and process robustness.