Matija Jemec developed support for uploading and managing C and C++ header files in the HKUDS/LightRAG repository, enabling teams to handle native header assets alongside existing formats. He updated file type constants and refreshed localization to accurately represent the new formats, improving asset discoverability and supporting multilingual workflows. The implementation, traceable to a specific commit, involved both backend and frontend development using TypeScript and Python, with careful attention to localization details. While the work focused on a single feature over one month, it established a technical foundation for broader language and header-file management in future development cycles within the project.