refactor: repartition server-side and client-side code

app/.client/components/ui/Badge.tsx

@@ -0,0 +1,32 @@
+'use client';
+
+import { cva, type VariantProps } from 'class-variance-authority';
+import classNames from 'classnames';
+import * as React from 'react';
+
+const badgeVariants = cva(
+  'inline-flex items-center rounded-full border px-2.5 py-0.5 text-xs font-semibold transition-colors focus:outline-none focus:ring-2 focus:ring-upage-elements-ring focus:ring-offset-2',
+  {
+    variants: {
+      variant: {
+        default:
+          'border-transparent bg-upage-elements-background text-upage-elements-textPrimary hover:bg-upage-elements-background/80',
+        secondary:
+          'border-transparent bg-upage-elements-background text-upage-elements-textSecondary hover:bg-upage-elements-background/80',
+        destructive: 'border-transparent bg-red-500/10 text-red-500 hover:bg-red-500/20',
+        outline: 'text-upage-elements-textPrimary',
+      },
+    },
+    defaultVariants: {
+      variant: 'default',
+    },
+  },
+);
+
+export interface BadgeProps extends React.HTMLAttributes<HTMLDivElement>, VariantProps<typeof badgeVariants> {}
+
+function Badge({ className, variant, ...props }: BadgeProps) {
+  return <div className={classNames(badgeVariants({ variant }), className)} {...props} />;
+}
+
+export { Badge, badgeVariants };