During July 2025, Wenzhe Du refactored the Tgov1 governor model in the ORNL/GridKit repository, focusing on centralized parameter management and improved safety. He introduced an enum-based key system in C++ to parse governor parameters, establishing a single source of truth that simplifies validation and reduces misconfiguration risks. By removing a deprecated base class, he decreased technical debt and enhanced maintainability. Additionally, he improved the safe valve logic, increasing reliability in valve-control pathways. His work emphasized clear documentation and traceable commits, demonstrating strong skills in C++ development, model refactoring, and parameter management while laying groundwork for future enhancements.