Over two months, Div contributed to both the aicers/frontary and aicers/review-web repositories, focusing on UI consistency, user customization, and backend reliability. They unified UI styling and theming, enabling responsive design and user-selectable themes through enhancements in JavaScript, CSS, and GraphQL. Div improved code quality by refactoring Rust option handling and addressing linting issues, which increased maintainability and deployment stability. In aicers/review-web, they tightened GraphQL API contracts by constraining input types, improving type safety and reducing memory usage. Their work delivered measurable improvements in user experience, code robustness, and reproducibility, reflecting a thoughtful approach to both frontend and backend development.