Mike worked on frontend refinement for the highlight-ing/highlight-chat-frontend repository, focusing on simplifying UI dropdown components using React, TypeScript, and SCSS. He delivered a feature that removed animation from the audio dropdown, resulting in a static audio indicator and a more predictable user interface. Additionally, Mike refactored the ConversationsDropdown by eliminating an unused micActivity variable, which reduced code complexity and improved maintainability. Although no user-facing bugs were addressed during this period, his targeted code hygiene efforts contributed to a more stable codebase and positioned the project for easier future enhancements, reflecting a thoughtful and incremental engineering approach.