Worked on the helix-editor/helix repository to address a critical backend issue affecting debugging reliability. Focused on improving robustness by standardizing breakpoint ID handling, the developer changed the type of hit_breakpoint_ids from usize to i32, ensuring compatibility across components and reducing the risk of ID mismatches. This targeted fix enhanced cross-component stability while minimizing codebase disruption, aligning with established code contracts and testing strategies. Using Rust and backend development skills, the work improved maintainability and future-proofed debugging features. All changes were carefully documented and traceable through commit and pull request history, reflecting a methodical and risk-aware engineering approach.