Worked on the astral-sh/uv repository to address a critical issue in workspace glob normalization, focusing on robust path resolution within build systems. Using Rust and leveraging expertise in path manipulation, implemented a fix that correctly handles leading './' in paths and parent directory traversal, which previously caused workspace configuration parsing errors. This change stabilized workspace path handling across development, CI, and local environments, reducing configuration-time failures and support incidents. The solution improved reliability for developers working with complex workspace setups, ensuring that relative paths are consistently interpreted and processed during configuration. The work demonstrated depth in build tooling and Rust-based infrastructure.