Shadcn Combobox uses Base UI, not Popover and Command components

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The shadcn combobox component is built on the Base UI library's Combobox primitive, not the common Popover and Command pattern. Its source code imports from Base UI and other dependencies, but not from popover or command libraries. This structural difference means developers must compose parts named after the Base UI primitive. The component handles features like single selection, multiple selection with chips, and auto-highlighting of options. Developers are advised to examine the component's source code after installation to understand its specific architecture.

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