In May 2025, KC Selm refactored the chat interface for the codeforpdx/tenantfirstaid repository, focusing on frontend development with React, TypeScript, and Tailwind CSS. Their work introduced visually distinct message bubbles to clearly separate user and bot interactions, addressing user confusion and improving the overall chat experience. KC also enhanced the feedback submission flow, making it easier for users to provide input and for the system to capture actionable feedback. By refining the bot-loading indicator, they improved perceived responsiveness. This targeted UI/UX update supported product goals around onboarding, user satisfaction, and faster issue reporting, demonstrating thoughtful engineering depth.