During January 2025, Applied Elegance developed robust TypeScript typings for Chrome extension development in the grafana/k6-DefinitelyTyped repository. Focusing on the DEVELOPER_TOOLS ContextType, they enhanced the API definition by updating type declarations for chrome.runtime, ensuring accurate ContextType enum mappings. Their approach included implementing comprehensive tests to validate the new typings, which improved type safety and reduced potential runtime errors for developers building Chrome extensions. By merging two pull requests, Applied Elegance contributed to a more reliable onboarding experience and streamlined extension development. Their work demonstrated depth in TypeScript, API definition, and testing within the Chrome Extensions API ecosystem.