During June 2026, contributed to the Liatoshynsky-Foundation’s lf-client and lf-admin repositories by delivering three front-end features focused on maintainability and design consistency. Implemented a BaseCard image fallback with URL validation and error logging in lf-client, enhancing user experience and streamlining debugging. Refactored the theme to replace hardcoded z-indices with design system constants, ensuring consistent UI layering. In lf-admin, externalized inline styles into separate files, improving code organization and readability. These changes, developed using React, JavaScript, and TypeScript, improved UI reliability and maintainability, enabling faster future iterations and reducing debugging time across both repositories without introducing new bugs.