Alex Thomson developed the Lumina Theme Integration for the zed-industries/extensions repository, introducing a new UI option designed to enhance visual aesthetics and accessibility, particularly for OLED displays. Leveraging skills in UI/UX design, front end development, and theme development, Alex implemented submodule integration using TOML for project configuration, enabling streamlined updates and easier future maintenance. The work focused on improving user experience and maintainability by updating the lumina-theme to version 0.1.1 and optimizing visuals for accessibility. This contribution demonstrated a methodical approach to version control and collaboration, delivering a focused, maintainable feature within a short development period.