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

app/klimatyzacja/page.tsx

@@ -1,4 +1,5 @@
 import { Metadata } from 'next';
+import { JsonLd } from '@/components/ui/JsonLd';
 import { HeroSection } from '@/components/sections/HeroSection';
 import { InfoHighlights } from '@/components/sections/InfoHighlights';
 import { AcTypesSection } from '@/components/sections/AcTypesSection';
@@ -71,7 +72,7 @@ export default function KlimatyzacjaPage() {
 
   return (
     <>
-      <script type="application/ld+json" dangerouslySetInnerHTML={{ __html: JSON.stringify(faqJsonLd) }} />
+      <JsonLd data={faqJsonLd} />
       <main>
       <HeroSection
         eyebrow="15+ lat doświadczenia · Split i multisplit · Uprawnienia F-gaz"