During June 2025, work focused on implementing a comprehensive Ayu dark theme for the yetone/opencode repository, enhancing the application’s user interface with a modern, accessible dark mode. The developer designed and integrated a cohesive color system for backgrounds, text, and syntax highlighting, prioritizing readability and visual comfort in low-light environments. Using Go for both theme development and UI/UX design, the contribution established a robust theming baseline that supports future expansion and consistency across modules. All design and implementation details were captured in a dedicated commit, ensuring clear documentation and maintainability for ongoing and future user interface improvements within the project.