Worked on the langgenius/dify repository to enhance UI stability and maintainability, focusing on backend and frontend development using React, Python, and TypeScript. Addressed a rendering issue in the dynamic model list by deduplicating provider models and enforcing unique keys for list items, which resolved duplicate-key errors and reduced user-visible glitches. Collaborated closely with a frontend teammate to accelerate the patch’s delivery and reinforce code quality. Introduced robust key-handling patterns that simplify future maintenance and refactoring of the UI model list. No new user-facing features were released during this period, with efforts concentrated on bug resolution and codebase stability.