Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/app/admin/users/_components/user-badges-readonly.tsx

@@ -0,0 +1,37 @@
+'use client'
+
+interface Badge {
+  id: number
+  badgeCode: string
+}
+
+export function UserBadgesReadonly({ badges }: { badges: Badge[] }) {
+  if (badges.length === 0) {
+    return <p className="text-sm text-muted-foreground">No badges</p>
+  }
+
+  return (
+    <div className="flex flex-wrap gap-2">
+      {badges.map((badge) => (
+        <div
+          key={badge.id}
+          className="flex items-center gap-1.5 rounded-md border bg-card px-2 py-1 text-sm"
+        >
+          <img
+            src={
+              process.env.NEXT_PUBLIC_BADGE_URL
+                ? `${process.env.NEXT_PUBLIC_BADGE_URL}/${badge.badgeCode}.gif`
+                : `/swf/c_images/album1584/${badge.badgeCode}.gif`
+            }
+            alt={badge.badgeCode}
+            className="h-5 w-5"
+            onError={(e) => {
+              ;(e.target as HTMLImageElement).style.display = 'none'
+            }}
+          />
+          <span>{badge.badgeCode}</span>
+        </div>
+      ))}
+    </div>
+  )
+}