Worked on expanding the API surface and improving documentation for the robertpenner/fluentui repository, focusing on enhancing extensibility and maintainability. Delivered a feature that publicly exposed the useListboxContext_unstable hook within the react-components package, enabling external usage and facilitating downstream integration. The technical approach involved updating the main index and API documentation to ensure clear guidance for consumers of the new API. Utilized front-end development skills with a focus on React and TypeScript, emphasizing clean API design and thorough documentation. No major bug fixes were addressed during this period, as the primary effort centered on feature delivery and long-term project structure.