Worked on enhancing the stability of the cowprotocol/cowswap frontend by addressing application crashes related to missing metadata in app data hooks. Focused on defensive programming techniques, implementing robust validation and safe access patterns to ensure metadata was present before retrieval, thereby improving the reliability of data hook operations. The work was closely tied to issue tracking for maintainability, with changes delivered through two targeted commits. Utilized TypeScript and frontend development skills to strengthen the codebase, prioritizing error prevention and system resilience. The contribution centered on bug resolution rather than feature development, reflecting a depth of focus on application robustness and maintainability.