Merge branch 'claude/sleepy-chebyshev-cda68d'

src/DodoSSH.Client.App/ViewModels/MainWindowViewModel.cs

@@ -142,6 +142,17 @@ internal sealed partial class MainWindowViewModel : ObservableObject, IAsyncDisp
     /// <summary>Where the embedded browser should navigate.</summary>
     internal Uri TerminalPageUrl => workspace.PageUrl;
 
+    /// <summary>
+    /// Raised when a terminal session opens, so the view can hand the terminal the keyboard.
+    /// </summary>
+    /// <remarks>
+    /// Forwarded from <see cref="VaultViewModel.SessionOpened"/> rather than exposed there directly,
+    /// because <see cref="Vault"/> is replaced on every unlock and the view would have to re-subscribe
+    /// each time. This shell is the window's data context for the life of the process, so one
+    /// subscription is enough.
+    /// </remarks>
+    internal event EventHandler? TerminalSessionOpened;
+
     internal bool IsStarting => State == ShellState.Starting;
 
     internal bool IsNeedingServer => State == ShellState.NeedsServer;
@@ -469,6 +480,26 @@ internal sealed partial class MainWindowViewModel : ObservableObject, IAsyncDisp
         return exception.Message;
     }
 
+    /// <remarks>
+    /// One place for the subscription, so unlocking, locking and disposing all route through it rather
+    /// than each remembering to detach.
+    /// </remarks>
+    partial void OnVaultChanged(VaultViewModel? oldValue, VaultViewModel? newValue)
+    {
+        if (oldValue is not null)
+        {
+            oldValue.SessionOpened -= OnVaultSessionOpened;
+        }
+
+        if (newValue is not null)
+        {
+            newValue.SessionOpened += OnVaultSessionOpened;
+        }
+    }
+
+    private void OnVaultSessionOpened(object? sender, EventArgs e) =>
+        TerminalSessionOpened?.Invoke(this, e);
+
     partial void OnStateChanged(ShellState value)
     {
         OnPropertyChanged(nameof(IsStarting));