Jihun Seo established a documentation foundation for hypermedia design in the AlmSmartDoctor/study-2024-10-restful-web-api repository, focusing on creating a scalable scaffold to support RESTful API documentation. He implemented a structured README and introduced a dedicated chapter outlining hypermedia principles, using HTML and Markdown to ensure clarity and maintainability. By removing obsolete files and organizing content, Jihun reduced onboarding time and clarified design expectations for API consumers. His work emphasized documentation best practices and hypermedia-driven API design, providing a reusable baseline for future enhancements. The depth of his contribution lies in improving integration efficiency and reducing ambiguity for development teams.