During February 2026, Young Hur focused on enhancing code maintainability for the skkuding/codedang repository by delivering comprehensive JSDoc documentation across key backend services. Working primarily with NestJS and TypeScript, Young improved the clarity and consistency of EmailService, UserService, ContestProblemService, and NoticeService, ensuring that future contributors can onboard more efficiently and understand service-layer logic with reduced ambiguity. The work adhered to established PR guidelines, including co-authorship and commit conventions, reflecting strong collaboration practices. By standardizing documentation, Young enabled safer refactoring, streamlined pull request reviews, and contributed to a more robust backend development workflow without introducing new features or bug fixes.