Worked on the DayuanJiang/next-ai-draw-io repository to deliver a targeted UX enhancement focused on model configuration usability. Developed a toggle within the model selector that allows users to display unvalidated models, addressing the needs of providers who have disabled verification endpoints. The implementation emphasized user-centric design and clear traceability, with well-documented commit messages linking feature changes to repository updates. Utilized React for component development and applied UI/UX design principles to ensure intuitive interaction. Leveraged both JavaScript and TypeScript to maintain code quality and consistency. The work demonstrates a methodical approach to feature delivery aligned with specific business and user requirements.