majro update

app/lib/utils/ui_helper.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:lensai/extensions/nullable.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 void showErrorMessage(BuildContext context, String message) {
@@ -9,6 +10,60 @@ void showErrorMessage(BuildContext context, String message) {
     ),
     backgroundColor: Theme.of(context).colorScheme.onError,
   );
+
+  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+}
+
+void showTabBackButtonMessage(BuildContext context, int tabCount) {
+  final snackbar = SnackBar(
+    content:
+        (tabCount > 1)
+            ? const Text('Please click BACK again to close current tab')
+            : const Text('Please click BACK again to exit app'),
+  );
+
+  ScaffoldMessenger.of(context)
+    ..clearSnackBars()
+    ..showSnackBar(snackbar);
+}
+
+void showTabOpenedMessage(
+  BuildContext context, {
+  String? tabName,
+  void Function()? onShow,
+}) {
+  final message = switch (tabName.whenNotEmpty) {
+    String() => "New tab '$tabName' opened in background",
+    null => 'New tab opened in background',
+  };
+
+  final snackBar = SnackBar(
+    content: Text(message),
+    action: onShow.mapNotNull(
+      (onPressed) => SnackBarAction(label: 'Show', onPressed: onPressed),
+    ),
+  );
+
+  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+}
+
+void showTabSwitchMessage(
+  BuildContext context, {
+  String? tabName,
+  void Function()? onSwitch,
+}) {
+  final message = switch (tabName.whenNotEmpty) {
+    String() => "New tab '$tabName' opened",
+    null => 'New tab opened',
+  };
+
+  final snackBar = SnackBar(
+    content: Text(message),
+    action: onSwitch.mapNotNull(
+      (onPressed) => SnackBarAction(label: 'Switch', onPressed: onPressed),
+    ),
+  );
+
   ScaffoldMessenger.of(context).showSnackBar(snackBar);
 }
 
@@ -29,16 +84,3 @@ Future<void> launchUrlFeedback(
     }
   }
 }
-
-void showTabBackButtonMessage(BuildContext context, int tabCount) {
-  ScaffoldMessenger.of(context)
-    ..clearSnackBars()
-    ..showSnackBar(
-      SnackBar(
-        content:
-            (tabCount > 1)
-                ? const Text('Please click BACK again to close current tab')
-                : const Text('Please click BACK again to exit app'),
-      ),
-    );
-}