Nathan Tran focused on enhancing authentication reliability for the SCE-Development/Clark repository by addressing a critical bug in the user login flow. He implemented a fix that ensures the JWT token is correctly extracted and stored in localStorage, enabling persistent user sessions across browser reloads. Nathan updated the User model to include a default background color, improving the consistency of user data. His work involved both backend integration and frontend development, utilizing JavaScript to streamline session management and security. Over the month, Nathan’s contributions centered on resolving authentication issues, resulting in a more stable and secure user experience for the application.