feat: security audit, rate limiting, server-side pricing, html escaping and security headers

app/klimatyzacja-do-biura/page.tsx

@@ -1,4 +1,5 @@
 import type { Metadata } from 'next';
+import { JsonLd } from '@/components/ui/JsonLd';
 import Link from 'next/link';
 import Image from 'next/image';
 import { Check, Phone, Wrench, ArrowRight, Building2, Thermometer, Wind, Zap, Clock } from 'lucide-react';
@@ -108,7 +109,7 @@ export default function KlimatyzacjaDoBiuraPage() {
 
   return (
     <>
-      <script type="application/ld+json" dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }} />
+      <JsonLd data={jsonLd} />
       <main>
         {/* Hero */}
         <section className="relative text-white py-24 md:py-32 overflow-hidden">