Fix approval notification toast: placement, coverage, and wording

src/MandoCode.Desktop/Controls/ChatTabView.xaml.cs

@@ -63,9 +63,10 @@ private enum SuggestMode { None, Command, File }
     public bool IsApprovalOpen => ApprovalOverlay.Visibility == Visibility.Visible
         || PlanApprovalBar.Visibility == Visibility.Visible;
 
-    /// <summary>The pending approval's headline — MainWindow shows it in the cross-tab toast.</summary>
-    public string ApprovalHeadline => PlanApprovalBar.Visibility == Visibility.Visible
-        ? PlanApprovalTitle.Text : ApprovalTitle.Text;
+    /// <summary>The pending approval's toast summary — what's waiting (e.g. "Wants to edit
+    /// Program.cs"), set when the approval is shown. MainWindow shows it in the cross-tab toast.</summary>
+    public string ApprovalHeadline => _approvalSummary;
+    private string _approvalSummary = "";
 
     /// <summary>Set by MainWindow when this tab is selected. Only a background tab badges.</summary>
     public bool IsSelected { get; set; }
@@ -878,6 +879,10 @@ public Task<string> ShowApprovalAsync(ApprovalRequest request, CancellationToken
 
         OnUi(() =>
         {
+            // What the cross-tab toast will say — a specific "what's waiting" line, not the modal's
+            // question. Set for both the bottom-bar and modal paths.
+            _approvalSummary = string.IsNullOrEmpty(request.ToastSummary) ? request.Title : request.ToastSummary;
+
             // Plan approvals render as a non-covering bottom bar so the plan card stays readable.
             if (request.BottomBar)
             {

src/MandoCode.Desktop/MainWindow.xaml

@@ -561,7 +561,10 @@
         <!-- ======= Approval toast — top-right, shown only when an approval arrives in an agent
              you're not looking at. Click = select that agent and review; X = dismiss (the tab's
              gold badge stays as the passive reminder). ======= -->
-        <Border x:Name="ApprovalToast" Grid.ColumnSpan="2" Visibility="Collapsed"
+        <!-- Span ALL three columns (rail + snapshots + content) so it anchors to the window's true
+             top-right. Spanning only 0-1 pinned it to the collapsible Snapshots column, so it was
+             clipped to the rail unless that panel happened to be open. -->
+        <Border x:Name="ApprovalToast" Grid.Column="0" Grid.ColumnSpan="3" Visibility="Collapsed"
                 HorizontalAlignment="Right" VerticalAlignment="Top" Margin="0,52,20,0"
                 MaxWidth="380" Padding="14,12"
                 Background="{StaticResource MandoPanelBrush}"

src/MandoCode.Desktop/MainWindow.xaml.cs

@@ -278,6 +278,9 @@ private void SwitchPage(string page)
                 ? Visibility.Visible : Visibility.Collapsed;
 
         RefreshNavIcons();
+        // Re-evaluate the approval toast for the new page — leaving the chat can newly "hide" the
+        // selected agent's approval, which should now raise the toast (and returning clears it).
+        RefreshTabStrip();
 
         switch (page)
         {
@@ -680,7 +683,12 @@ private void RefreshTabStrip()
             tab.View.IsSelected = isSelected;
             var badged = tab.View.IsApprovalOpen && !isSelected;
             tab.Badge.Visibility = badged ? Visibility.Visible : Visibility.Collapsed;
-            if (badged) pending ??= tab;
+
+            // Toast for any approval you can't currently see: a background tab, OR the selected tab
+            // while you're away on Settings/MCP/Appearance (its chat — and the approval — is
+            // collapsed there, so without this you'd get no notice at all).
+            if (tab.View.IsApprovalOpen && (!isSelected || _currentPage != "chat"))
+                pending ??= tab;
         }
 
         // With several agents running, "an approval is waiting" is useless without saying where,

src/MandoCode.Desktop/Services/ApprovalModels.cs

@@ -46,6 +46,11 @@ public sealed class ApprovalRequest
     /// <summary>Render as a non-covering bottom bar rather than the centered modal. Used for plan
     /// approval so the plan card stays readable in the transcript while the user decides.</summary>
     public bool BottomBar { get; init; }
+
+    /// <summary>Short, specific line for the cross-agent "Approval required" toast — describes WHAT
+    /// is waiting (e.g. "Wants to edit Program.cs"), not the modal's question. Falls back to
+    /// <see cref="Title"/> when unset.</summary>
+    public string? ToastSummary { get; init; }
 }
 
 /// <summary>

src/MandoCode.Desktop/Services/WinUiApprovalService.cs

@@ -99,6 +99,7 @@ public async Task<DiffApprovalResult> HandleWriteApprovalAsync(string relativePa
             Subtitle = relativePath,
             DiffLines = displayLines,
             DiffSummary = summary,
+            ToastSummary = isNewFile ? $"Wants to create {fileName}" : $"Wants to edit {fileName}",
             Options = options
         };
 
@@ -176,6 +177,7 @@ public async Task<DiffApprovalResult> HandleCommandApprovalAsync(string command)
         {
             Title = "Run this command?",
             CommandText = command,
+            ToastSummary = $"Wants to run: {(command.Length > 48 ? command[..48] + "…" : command)}",
             Options = options
         };
 
@@ -276,6 +278,9 @@ public async Task<DiffApprovalResult> HandleDeleteApprovalAsync(string relativeP
             Subtitle = relativePath,
             Detail = warning,
             DiffLines = displayLines,
+            ToastSummary = isFolder
+                ? $"Wants to delete folder {Path.GetFileName(relativePath)}/"
+                : $"Wants to delete {Path.GetFileName(relativePath)}",
             Options = options
         };
 
@@ -345,6 +350,7 @@ public async Task<DiffApprovalResult> HandleMcpApprovalAsync(string serverName,
         {
             Title = $"Allow MCP tool \"{toolName}\" from \"{serverName}\"?",
             Detail = description,
+            ToastSummary = $"Wants to run tool \"{toolName}\"",
             Options = options
         };
 

src/MandoCode.Desktop/ViewModels/ChatController.cs

@@ -672,6 +672,7 @@ private async Task<string> HandleProposedPlanAsync(TaskPlan plan, CancellationTo
                 Title = "The assistant proposes this plan. What would you like to do?",
                 // Bottom bar, not the centered modal — the plan card above stays readable.
                 BottomBar = true,
+                ToastSummary = "Wants to run a proposed plan",
                 Options = new[]
                 {
                     new ApprovalOption(ExecutePlanLabel, ApprovalOptionKind.Proceed),