Developed an OpenID authentication enhancement for the zuplo/zudoku repository, focusing on exposing user information from the OpenID userInfo endpoint to support richer user profiles and future personalization features. The work involved integrating API endpoints and handling authentication flows using TypeScript, ensuring that user data could be accessed securely and efficiently for profile management. The implementation was delivered through a focused, well-documented commit, emphasizing maintainability and traceability within the codebase. This feature established a foundation for improved data availability and profile enrichment, demonstrating a methodical approach to authentication and API integration without introducing bug fixes during the development period.