Charis Tam developed a scalable calendar UI foundation for the Kingdom-Coders/aaiv-app repository, focusing on organizing the calendar screen layout to support multiple views and event creation. Using React and JavaScript, Charis introduced dedicated div structures that separate different calendar functionalities, making the interface cleaner and more adaptable for future enhancements. The approach emphasized maintainability and ease of feature expansion, ensuring that downstream teams could integrate new calendar features with minimal friction. Throughout the month, Charis maintained clear commit messaging and traceability, demonstrating a methodical frontend development process with attention to CSS styling and component organization, though the work was limited in scope.