Fix i18n: prevent duplicate text updates

script.js

@@ -1415,7 +1415,10 @@ function updateTexts() {
   document.querySelectorAll('[data-i18n]').forEach(el => {
     const key = el.dataset.i18n;
     if (t[key]) {
-      el.textContent = t[key];
+      // Only update if text is different to avoid unnecessary DOM changes
+      if (el.textContent !== t[key]) {
+        el.textContent = t[key];
+      }
     }
   });