Worked on enhancing the Tabs component within the element-plus/element-plus repository by delivering an API update that exposed internal references for tab navigation and the tab list element. This change, implemented using Vue.js with both JavaScript and TypeScript, enabled external access to these elements, supporting advanced manipulation and integration with custom user interfaces or external controllers. The approach focused on improving component interoperability and extensibility while maintaining compatibility with the existing test suite to ensure stability. The work resulted in a forward-compatible API surface for the Tabs component, facilitating more flexible integrations and tooling for downstream consumers without introducing breaking changes.