feat(frontend): add shadcn ui primitives and compatibility bridge

vite-frontend/src/components/ui/label.tsx

@@ -0,0 +1,19 @@
+import * as React from "react";
+import * as LabelPrimitive from "@radix-ui/react-label";
+
+import { cn } from "@/lib/utils";
+
+function Label({ className, ...props }: React.ComponentProps<typeof LabelPrimitive.Root>) {
+  return (
+    <LabelPrimitive.Root
+      className={cn(
+        "text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70",
+        className,
+      )}
+      data-slot="label"
+      {...props}
+    />
+  );
+}
+
+export { Label };