Accidental regression (lucky no one uses this yet)

Author: kubo6472

public/index.html

@@ -469,7 +469,7 @@ <h3>About</h3>
 <script>
 // ── CONFIG ────────────────────────────────────────────────────
 // ⚠️  Replace with your deployed Worker URL
-const API = 'https://cardex-api.YOUR-SUBDOMAIN.workers.dev';
+const API = 'https://cardex-api.tjm.sk';
 
 // ── State ─────────────────────────────────────────────────────
 const STORE_KEY   = 'cardex_v2_cards';