During a two-month period, Theurich focused on streamlining build and package management workflows in the spack/spack and spack/spack-packages repositories. He removed outdated ESMF pre-7.0 conditional logic and legacy patches, simplifying configuration paths and reducing maintenance overhead. Using Python, Makefile, and Shell, he improved build system hygiene and reliability, which lowered the risk of build-time failures and made contributor onboarding more straightforward. Theurich also upgraded the ESMF dependency to version 8.9.1, adding SHA256 checksum verification to ensure package integrity. His work emphasized maintainability, traceability, and alignment with current software standards, reflecting thoughtful code refactoring and package management.