During February 2025, Tam contributed to the Saghen/nixpkgs repository by stabilizing the cross-platform packaging of the PCL library. Tam addressed a macOS build failure by integrating LLVM OpenMP into the build inputs, ensuring successful compilation on Darwin systems. This work involved build system configuration and package management using the Nix language, with a focus on improving reliability across platforms. Additionally, Tam updated the maintainers list for the PCL package, clarifying ongoing ownership and reducing onboarding friction for future contributors. The contributions demonstrated a practical approach to system administration and maintenance, delivering targeted improvements within a focused, high-impact development cycle.