During March and April 2025, Bytenik focused on enhancing type safety and developer experience across two major TypeScript projects. For DefinitelyTyped/DefinitelyTyped, Bytenik refined amqplib’s Connection and ChannelModel type definitions, aligning them with the actual library structure and adding targeted tests to reduce downstream typing issues for TypeScript consumers. In the inversify/monorepo repository, Bytenik delivered strongly typed container modules, enabling compile-time safety for dependency injection setups and exporting new modules for public use. This work, implemented with TypeScript and Node.js, included comprehensive unit testing and release management, demonstrating a thoughtful approach to improving reliability and maintainability in open-source libraries.