Galerie aller shadcn/ui-Komponenten auf der Startseite

- Alle 63 Komponenten aus dem shadcn-Register installiert (Stil base-luma)
- Galerie unter components/galerie mit 7 Kategorien und Sprungnavigation
- Inhaltsbreite auf max-w-6xl erweitert
- shadcn-Hauptfarbe auf E&P-Tiefblau, größter Radius eckig
- App-Titel "UI-Galerie"

Co-Authored-By: Claude Opus 5.5 <[email protected]>

frontend-starter/components/ui/switch.tsx

@@ -0,0 +1,31 @@
+"use client"
+
+import { Switch as SwitchPrimitive } from "@base-ui/react/switch"
+import { cn } from "cn"
+
+function Switch({
+  className,
+  size = "default",
+  ...props
+}: SwitchPrimitive.Root.Props & {
+  size?: "sm" | "default"
+}) {
+  return (
+    <SwitchPrimitive.Root
+      data-slot="switch"
+      data-size={size}
+      className={cn(
+        "peer group/switch relative inline-flex shrink-0 items-center rounded-full border-2 transition-all outline-none group-has-[:focus-visible]/field-label:ring-0 after:absolute after:-inset-x-3 after:-inset-y-2 focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/30 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 data-[size=default]:h-5 data-[size=default]:w-11 data-[size=sm]:h-4 data-[size=sm]:w-7 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 data-checked:border-primary data-checked:bg-primary group-has-[:focus-visible]/field-label:data-checked:border-primary data-unchecked:border-transparent data-unchecked:bg-input/90 group-has-[:focus-visible]/field-label:data-unchecked:border-transparent data-disabled:cursor-not-allowed data-disabled:opacity-50",
+        className
+      )}
+      {...props}
+    >
+      <SwitchPrimitive.Thumb
+        data-slot="switch-thumb"
+        className="pointer-events-none block rounded-full bg-background shadow-sm ring-0 transition-transform not-dark:bg-clip-padding group-data-[size=default]/switch:h-4 group-data-[size=default]/switch:w-6 group-data-[size=sm]/switch:h-3 group-data-[size=sm]/switch:w-4 data-checked:translate-x-[calc(100%-8px)] dark:data-checked:bg-primary-foreground data-unchecked:translate-x-0 dark:data-unchecked:bg-foreground"
+      />
+    </SwitchPrimitive.Root>
+  )
+}
+
+export { Switch }