Update index.html

index.html

@@ -13101,6 +13101,21 @@ async function copyShareLink(url) {
 // QR scanner (camera-based, via vendored jsQR — no external dependency)
 // ---------------------------------------------------------------------
 
+function extractRoomCode(rawText) {
+  if (!rawText) return null;
+  const text = rawText.trim();
+
+  try {
+    const url = new URL(text);
+    const fromParam = url.searchParams.get('code');
+    if (fromParam && /^[A-Z0-9]{6}$/i.test(fromParam)) return fromParam.toUpperCase();
+  } catch {
+    // Not a URL — fall through and treat it as a plain code below.
+  }
+
+  return /^[A-Z0-9]{6}$/i.test(text) ? text.toUpperCase() : null;
+}
+
 function stopQrScanner() {
   if (scannerFrame) cancelAnimationFrame(scannerFrame);
   scannerFrame = null;
@@ -13136,10 +13151,10 @@ async function startQrScanner(onCode) {
       ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
       const frame = ctx.getImageData(0, 0, canvas.width, canvas.height);
       const result = jsQR(frame.data, frame.width, frame.height);
-      const match = result?.data?.match(/[A-Z0-9]{6}/i);
-      if (match) {
+      const code = extractRoomCode(result?.data);
+      if (code) {
         stopQrScanner();
-        onCode(match[0].toUpperCase());
+        onCode(code);
         return;
       }
     }