chrome required screen

lib/utils/browser_detection_web.dart

@@ -0,0 +1,15 @@
+// ignore: avoid_web_libraries_in_flutter
+import 'dart:html' as html;
+
+class BrowserDetection {
+  static bool get isChrome {
+    final userAgent = html.window.navigator.userAgent.toLowerCase();
+    final vendor = html.window.navigator.vendor.toLowerCase();
+    
+    // Chrome UA typically contains 'chrome' and vendor is 'Google Inc.'
+    // This also excludes Firefox, Safari, and sometimes Edge/Brave depending on strictness.
+    // For Web Bluetooth, Chrome, Edge (latest), and Brave usually work.
+    // But we'll follow the user's request for "isChrome".
+    return userAgent.contains('chrome') && vendor.contains('google');
+  }
+}