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

app/serwis-samsung/page.tsx

@@ -1,4 +1,5 @@
 import type { Metadata } from 'next';
+import { JsonLd } from '@/components/ui/JsonLd';
 import Link from 'next/link';
 import { Check, Phone, Wrench, AlertTriangle, ArrowRight } from 'lucide-react';
 import { companyDetails } from '@/content/company';
@@ -72,7 +73,7 @@ export default function SerwisSamsungPage() {
 
   return (
     <>
-      <script type="application/ld+json" dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }} />
+      <JsonLd data={jsonLd} />
       <main>
         {/* Hero */}
         <section className="bg-primary text-white py-16 md:py-24">