Developed and contributed TypeScript type definitions for the svgcanvas library within the DefinitelyTyped/DefinitelyTyped repository, enabling a Canvas 2D Context API that renders SVG rather than bitmap graphics. Focused on advanced type-safe API design, the work improved type safety and editor autocompletion for downstream TypeScript projects, reducing runtime type errors and enhancing developer experience. Leveraged skills in library development, type definitions, and the DefinitelyTyped contribution workflow to deliver a feature that allows safer and faster integration of svgcanvas. Collaborated through the pull request process, ensuring the new typings met community standards and provided robust support for TypeScript-based SVG rendering workflows.