Form input
File input
Return File data directly without mixing selection with upload transport or queue state.Semantics and name
The semantic root and accessible name must match the actual action or value.
Accessible name
Icons, state, and visual labels do not replace a clear assistive-technology name.
Status
Loading, error, and value changes are announced without losing focus.
Keyboard and focus
The component supports expected controls without creating focus traps.
Tab order
Internal elements enter the focus order only when required by the contract.
Native keys
Enter, Space, arrows, and Escape retain native or ARIA-expected meaning.