Tabs from @kibrisyazilim/design-system. Use via `window.KibrisDS.Tabs` (bundle loaded from the root `_ds_bundle.js`).

Tabbed navigation with full keyboard support: arrow keys move and select,
Home/End jump to the ends, disabled tabs are skipped.

## Props

```ts
interface TabsProps {
  items: TabItem[];
  /** Controlled selection. Pair with `onValueChange`. */
  value?: string;
  /** Initial selection when uncontrolled. Defaults to the first enabled tab. */
  defaultValue?: string;
  onValueChange?: (id: string) => void;
  variant?: "underline" | "pill";
  /** Distributes tabs evenly across the full width. */
  fullWidth?: boolean;
  className?: string;
  style?: CSSProperties;
}
```