In January 2026, M. Marahman contributed to the better-auth/better-auth repository by enhancing user experience and reliability in the AI Chat and sidebar interface. Using React and TypeScript, Marahman addressed a bug that previously allowed empty messages to be sent and caused pre-send loading errors, thereby reducing user friction and potential support issues. Additionally, Marahman co-developed a feature to improve sidebar content filtering, ensuring only relevant items are displayed and simplifying the rendering of CodeBlockTabs. These targeted front end improvements resulted in faster interactions and cleaner UI rendering, demonstrating a focused approach to scalable, maintainable user interface development.