Worked on reliability and maintainability improvements across two repositories over a two-month period. In langgenius/dify, addressed workflow UI stability by implementing duplicate environment variable name validation using React and TypeScript, reducing deployment errors and improving user feedback during environment variable edits. For CherryHQ/cherry-studio, focused on backend stability by upgrading the MCP SDK to version 1.11.3 and updating cross-spawn dependencies, ensuring custom SSE endpoint paths were preserved and enhancing integration reliability. The work emphasized bug resolution and dependency management in JavaScript and Node.js environments, contributing to more robust deployments and streamlined support for downstream users without introducing new features.