feat: enhance user limits

app/(app)/u/me/bookmarks/page.tsx

@@ -8,9 +8,6 @@ import { useAuth } from "@/components/auth/auth-provider";
 import { appendHighlight, hasHighlight } from "@/lib/text-highlight";
 import { displaySourceLabel } from "@/lib/source-reference";
 
-const FREE_LIMIT = 1;
-const PREMIUM_LIMIT = 5;
-
 export default function MyBookmarksPage() {
   const { user } = useAuth();
   const [list, setList] = useState<Bookmark[]>([]);
@@ -40,7 +37,9 @@ export default function MyBookmarksPage() {
     }
   }
 
-  const limit = user?.role === "admin" || user?.plan === "premium" ? PREMIUM_LIMIT : FREE_LIMIT;
+  // Effective cap from the server (plan default merged with any admin
+  // override). -1 would mean unlimited (bookmarks aren't, today).
+  const limit = user?.limits?.bookmarks ?? 1;
 
   if (loading) return <p className="text-sm text-muted-foreground">Loading…</p>;