Contributed to the nix-community/home-manager repository by delivering two key features focused on maintainability and user configuration. Developed and integrated a new module enabling users to configure the Emacs X Window Manager (EXWM) through home-manager, expanding customization options for NixOS environments. Added Garklein as a maintainer, streamlining governance and onboarding processes. Applied Nix configuration and Emacs expertise, leveraging Git-based workflows and aligning module ergonomics with established nixpkgs service patterns to ensure consistency and scalability. The work reduced maintenance risk and accelerated EXWM adoption, demonstrating a methodical approach to configuration management and maintainership within the Nix ecosystem using Nix and related tooling.