Worked on the Agenta-AI/agenta repository to enhance test set workflows and editor reliability using React, TypeScript, and advanced DOM manipulation. Delivered a feature that conditionally renders editor components, ensuring users interact only with relevant controls when a test set is selected or created. Addressed a UI drift issue in the InfiniteVirtualTable by synchronizing header and body scroll positions through a passive event listener, improving table stability. Introduced a noTypeInference property to the TextEditor, preserving raw string inputs and maintaining data integrity. The work focused on robust frontend engineering, resulting in a more consistent user experience and reduced interaction errors.