fix: restore PopupWindow; 1s footer timer; Xm Ys ago format

windows/PopupWindow.xaml.cs

@@ -33,7 +33,7 @@ public partial class PopupWindow : Window
         VM.PropertyChanged      += (_, e) => Dispatcher.InvokeAsync(() => OnVmChanged(e.PropertyName));
         Updater.PropertyChanged += (_, e) => Dispatcher.InvokeAsync(() => OnUpdaterChanged(e.PropertyName));
 
-        _clockTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(5) };
+        _clockTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
         _clockTimer.Tick += (_, _) => UpdateFooter();
         _clockTimer.Start();
 
@@ -97,7 +97,7 @@ public partial class PopupWindow : Window
         badgeStack.Children.Add(usageBadge);
 
         var nameStack = new StackPanel { Orientation = Orientation.Horizontal, VerticalAlignment = VerticalAlignment.Center };
-        nameStack.Children.Add(new TextBlock { Text = "✦", FontSize = 11, Foreground = accent, VerticalAlignment = VerticalAlignment.Center });
+        nameStack.Children.Add(new TextBlock { Text = "✶", FontSize = 11, Foreground = accent, VerticalAlignment = VerticalAlignment.Center });
         nameStack.Children.Add(new TextBlock { Text = "Claude", FontSize = 13, FontWeight = FontWeights.SemiBold,
             Foreground = text, Margin = new Thickness(6, 0, 0, 0), VerticalAlignment = VerticalAlignment.Center });
         nameStack.Children.Add(new TextBlock { Text = $"·  {VM.PlanLabel}", FontSize = 11,
@@ -208,7 +208,6 @@ public partial class PopupWindow : Window
         var secondary = (SolidColorBrush)Application.Current.Resources["SecondaryBrush"];
         var border    = (SolidColorBrush)Application.Current.Resources["BorderBrush"];
 
-        // Stats row inside the card (mirrors macOS layout without the Claude icon/header)
         var statsRow = new Grid { Margin = new Thickness(12, 10, 12, 6) };
         statsRow.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
         statsRow.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
@@ -273,7 +272,6 @@ public partial class PopupWindow : Window
         var prepaid  = VM.Prepaid;
         var currency = VM.ExtraUsage?.Currency ?? overage?.Currency ?? "$";
 
-        // All credit values from the API are in cents — divide by 100.
         var spent   = (overage?.UsedCredits        / 100.0) ?? (VM.ExtraUsage?.UsedCredits  / 100.0) ?? 0;
         var limit   = (overage?.MonthlyCreditLimit / 100.0) ?? (VM.ExtraUsage?.MonthlyLimit / 100.0) ?? 0;
         var balance = (prepaid?.Amount             / 100.0) ?? 0;
@@ -396,8 +394,14 @@ public partial class PopupWindow : Window
         if (VM.LastUpdated.HasValue)
         {
             var diff = DateTime.Now - VM.LastUpdated.Value;
-            LastUpdatedText.Text = diff.TotalSeconds < 10 ? "Updated just now"
-                                                          : $"Updated {(int)diff.TotalSeconds}s ago";
+            string age;
+            if (diff.TotalSeconds < 10)
+                age = "just now";
+            else if (diff.TotalMinutes < 1)
+                age = $"{(int)diff.TotalSeconds} sec ago";
+            else
+                age = $"{(int)diff.TotalMinutes} min, {diff.Seconds} sec ago";
+            LastUpdatedText.Text = $"Updated {age}";
         }
         else
         {
@@ -424,11 +428,9 @@ public partial class PopupWindow : Window
         BetaToggle.IsChecked = Updater.BetaChannel;
         UpdateAboutSection();
 
-        // Populate ComboBox with ComboBoxItem — DisplayMemberPath doesn't bind reliably
-        // on ValueTuple at runtime so we build items explicitly.
         RefreshPicker.SelectionChanged -= RefreshPicker_Changed;
         RefreshPicker.Items.Clear();
-        int selectIdx = 1; // default: 2 min
+        int selectIdx = 1;
         for (int i = 0; i < RefreshIntervals.Length; i++)
         {
             var (label, seconds) = RefreshIntervals[i];