Yiming Lim enhanced the workspace symbol search functionality in the facebook/pyrefly repository by addressing navigation issues caused by __init__.py re-exports. Using Python and Rust, Yiming introduced a stable sorting mechanism that ranks original symbol definitions above their re-exported counterparts, enabling users to navigate directly to source definitions. The solution included comprehensive regression tests and minimal fixture packages to ensure the ranking invariant remains consistent across updates. Validation was strengthened through end-to-end Language Server Protocol interaction tests and targeted cargo tests, with all changes passing formatting and lint checks. This work demonstrates careful backend development and a strong focus on testing.