fix: await refresh after login, update settings when UserEmail/IsSignedIn change

windows/LoginWindow.xaml.cs

@@ -44,8 +44,8 @@ public partial class LoginWindow : Window
                     : "Complete sign-in, then click Done.";
             });
 
-            // Auto-close once clearly on the main app page
-            if (signedIn && (uri.Contains("/chats") || uri.Contains("/new") || uri == "https://claude.ai/"))
+            // Auto-close only on explicit post-login redirects, not on initial load
+            if (signedIn && (uri.Contains("/chats") || uri.Contains("/new")))
             {
                 await SaveAndClose(cookies);
             }

windows/PopupWindow.xaml.cs

@@ -12,6 +12,7 @@ public partial class PopupWindow : Window
     private static readonly UsageViewModel VM      = App.ViewModel;
     private static readonly UpdateManager  Updater = App.Updater;
     private readonly DispatcherTimer _clockTimer;
+    private bool _dialogOpen;
 
     public PopupWindow()
     {
@@ -29,7 +30,7 @@ public partial class PopupWindow : Window
         UpdateBannerState();
         UpdateFooter();
 
-        Deactivated += (_, _) => Hide();
+        Deactivated += (_, _) => { if (!_dialogOpen) Hide(); };
     }
 
     // ── Card rendering ───────────────────────────────────────────────
@@ -178,6 +179,10 @@ public partial class PopupWindow : Window
             RebuildCards();
             UpdateFooter();
         }
+        if (prop is nameof(UsageViewModel.IsSignedIn) or nameof(UsageViewModel.UserEmail))
+        {
+            InitSettings();
+        }
     }
 
     private void OnUpdaterChanged(string? prop)
@@ -297,14 +302,18 @@ public partial class PopupWindow : Window
         await Updater.DownloadAndInstallAsync();
     }
 
-    private void SignIn_Click(object s, RoutedEventArgs e)
+    private async void SignIn_Click(object s, RoutedEventArgs e)
     {
+        _dialogOpen = true;
         var login = new LoginWindow { Owner = this };
         if (login.ShowDialog() == true)
         {
-            _ = VM.RefreshAsync();
+            await VM.RefreshAsync();
             InitSettings();
         }
+        _dialogOpen = false;
+        Show();
+        Activate();
     }
 
     private async void SignOut_Click(object s, RoutedEventArgs e)