During December 2025, this developer integrated the HY-WorldPlay library into the huggingface.js repository, expanding the available model resources for downstream tasks. Their work focused on TypeScript development and seamless library integration, enabling faster prototyping and broader task support for users of the library. By managing dependencies and collaborating with maintainers, they ensured the new integration fit smoothly within the existing JavaScript and Node.js ecosystem. No major bugs were reported during this period, reflecting a stable and well-executed implementation. The contribution enriched the developer experience and extended the capabilities of huggingface.js for a wider range of machine learning applications.