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

vite-frontend/src/components/ui/radio-group.tsx

@@ -0,0 +1,37 @@
+import * as React from "react";
+import * as RadioGroupPrimitive from "@radix-ui/react-radio-group";
+import { CircleIcon } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+function RadioGroup({ className, ...props }: React.ComponentProps<typeof RadioGroupPrimitive.Root>) {
+  return (
+    <RadioGroupPrimitive.Root
+      className={cn("grid gap-2", className)}
+      data-slot="radio-group"
+      {...props}
+    />
+  );
+}
+
+function RadioGroupItem({
+  className,
+  ...props
+}: React.ComponentProps<typeof RadioGroupPrimitive.Item>) {
+  return (
+    <RadioGroupPrimitive.Item
+      className={cn(
+        "aspect-square h-4 w-4 rounded-full border border-primary text-primary shadow focus:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50",
+        className,
+      )}
+      data-slot="radio-group-item"
+      {...props}
+    >
+      <RadioGroupPrimitive.Indicator className="flex items-center justify-center" data-slot="radio-group-indicator">
+        <CircleIcon className="h-2.5 w-2.5 fill-current text-current" />
+      </RadioGroupPrimitive.Indicator>
+    </RadioGroupPrimitive.Item>
+  );
+}
+
+export { RadioGroup, RadioGroupItem };