feat: add Breadcrumb component and related subcomponents

- Introduced a new Breadcrumb component along with BreadcrumbList, BreadcrumbItem, BreadcrumbLink, BreadcrumbPage, BreadcrumbSeparator, and BreadcrumbEllipsis.
- Updated index.ts to export the new Breadcrumb components for easier access in the UI library.

packages/ui/src/components/index.ts

@@ -52,6 +52,7 @@ export { default as ImageToolButton } from './composites/ImageToolButton'
 export { Sortable } from './composites/Sortable'
 
 /* Shadcn Primitive Components */
+export * from './primitives/breadcrumb'
 export * from './primitives/button'
 export * from './primitives/checkbox'
 export * from './primitives/combobox'

packages/ui/src/components/primitives/breadcrumb.tsx

@@ -0,0 +1,89 @@
+import { cn } from '@cherrystudio/ui/utils/index'
+import { Slot } from '@radix-ui/react-slot'
+import { ChevronRight, MoreHorizontal } from 'lucide-react'
+import * as React from 'react'
+
+function Breadcrumb({ ...props }: React.ComponentProps<'nav'>) {
+  return <nav aria-label="breadcrumb" data-slot="breadcrumb" {...props} />
+}
+
+function BreadcrumbList({ className, ...props }: React.ComponentProps<'ol'>) {
+  return (
+    <ol
+      data-slot="breadcrumb-list"
+      className={cn(
+        'text-muted-foreground flex flex-wrap items-center gap-2 text-sm break-words sm:gap-2.5',
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function BreadcrumbItem({ className, ...props }: React.ComponentProps<'li'>) {
+  return <li data-slot="breadcrumb-item" className={cn('inline-flex items-center gap-1.5', className)} {...props} />
+}
+
+function BreadcrumbLink({
+  asChild,
+  className,
+  ...props
+}: React.ComponentProps<'a'> & {
+  asChild?: boolean
+}) {
+  const Comp = asChild ? Slot : 'a'
+
+  return (
+    <Comp data-slot="breadcrumb-link" className={cn('hover:text-foreground transition-colors', className)} {...props} />
+  )
+}
+
+function BreadcrumbPage({ className, ...props }: React.ComponentProps<'span'>) {
+  return (
+    <span
+      data-slot="breadcrumb-page"
+      role="link"
+      aria-disabled="true"
+      aria-current="page"
+      className={cn('text-foreground font-normal', className)}
+      {...props}
+    />
+  )
+}
+
+function BreadcrumbSeparator({ children, className, ...props }: React.ComponentProps<'li'>) {
+  return (
+    <li
+      data-slot="breadcrumb-separator"
+      role="presentation"
+      aria-hidden="true"
+      className={cn('[&>svg]:size-3.5', className)}
+      {...props}>
+      {children ?? <ChevronRight />}
+    </li>
+  )
+}
+
+function BreadcrumbEllipsis({ className, ...props }: React.ComponentProps<'span'>) {
+  return (
+    <span
+      data-slot="breadcrumb-ellipsis"
+      role="presentation"
+      aria-hidden="true"
+      className={cn('flex size-9 items-center justify-center', className)}
+      {...props}>
+      <MoreHorizontal className="size-4" />
+      <span className="sr-only">More</span>
+    </span>
+  )
+}
+
+export {
+  Breadcrumb,
+  BreadcrumbEllipsis,
+  BreadcrumbItem,
+  BreadcrumbLink,
+  BreadcrumbList,
+  BreadcrumbPage,
+  BreadcrumbSeparator
+}