Update index.js

index.js

@@ -38,6 +38,8 @@ const loaderOverlay = document.getElementById('loader-overlay');
 const progressBarFill = document.getElementById('progress-bar-fill');
 const signInMessage = document.getElementById('sign-in-message');
 const loaderMessage = document.getElementById('loader-message');
+const versionText = document.getElementById('version-text');
+const toggleVersionButton = document.getElementById('toggle-version-button');
 
 // --- State Management ---
 let isRecording = false;
@@ -273,6 +275,18 @@ async function loadLlm() {
  */
 let audioUrl = undefined;
 async function initMedia() {
+  versionText.textContent = use_e4b ? 'E4B' : 'E2B';
+  toggleVersionButton.textContent = use_e4b ? 'Switch to E2B' : 'Switch to E4B';
+  toggleVersionButton.addEventListener('click', () => {
+    const url = new URL(window.location.href);
+    if (use_e4b) {
+      url.searchParams.set('e2b', 'true');
+    } else {
+      url.searchParams.delete('e2b');
+    }
+    window.location.href = url.href;
+  });
+
   // Disable controls on startup
   promptInputElement.disabled = true;
   sendButton.disabled = true;