Sandy Chen completed a major project-level refactor and documentation overhaul for the HealthRex/CDSS Medical Recommender System. Focusing on code organization and maintainability, Sandy restructured the project to consolidate configuration files, making future enhancements and onboarding more efficient. The work included comprehensive updates to Markdown-based READMEs, providing detailed setup, usage, and contribution guidelines for new developers. Using Python as the primary language, Sandy applied project management and refactoring skills to improve clarity and streamline the development process. The depth of the changes addressed long-term maintainability, ensuring the repository is easier to navigate and better positioned for collaborative development.