fix(token-saver): full width card layout

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/(dashboard)/dashboard/token-saver/TokenSaverClient.js

@@ -188,7 +188,7 @@ export default function TokenSaverClient() {
     headroomLocalUrl && !!headroomStatus.managedPid;
 
   return (
-    <div className="max-w-3xl mx-auto space-y-6 p-6">
+    <div className="space-y-6 p-6">
       <Card id="rtk">
         <div className="flex items-center justify-between mb-2">
           <h2 className="text-lg font-semibold flex items-center gap-2">