Implement retail character management screen

src/AcDream.App/Composition/InteractionRetainedUiComposition.cs

@@ -21,6 +21,7 @@ using AcDream.Core.Selection;
 using AcDream.Core.Spells;
 using AcDream.Runtime;
 using AcDream.Runtime.Gameplay;
+using AcDream.Runtime.Session;
 using AcDream.UI.Abstractions.Input;
 using AcDream.UI.Abstractions.Panels.Chat;
 using AcDream.UI.Abstractions.Panels.Vitals;
@@ -937,7 +938,19 @@ internal sealed class RetailInteractionRetainedUiCompositionFactory
                     (action, held) =>
                         d.InputDispatcher?.TrySetAutomationActionHeld(action, held) == true,
                     late.Automation),
-                Keyboard: new KeyboardRuntimeBindings(d.InputDispatcher, d.KeyBindingsFilePath));
+                Keyboard: new KeyboardRuntimeBindings(
+                    d.InputDispatcher,
+                    d.KeyBindingsFilePath),
+                CharacterSelection: d.Options.LiveCharacterSelector is null
+                    ? new CharacterSelectionRuntimeBindings(
+                        () => late.GameRuntime.CharacterSelection,
+                        late.GameRuntime.CharacterSelectionHighlight,
+                        late.GameRuntime.CharacterSelectionEnter,
+                        late.GameRuntime.CharacterSelectionRequestDelete,
+                        late.GameRuntime.CharacterSelectionConfirmDelete,
+                        late.GameRuntime.CharacterSelectionRestore,
+                        late.GameRuntime.CharacterSelectionCancel)
+                    : null);
             RetailUiRuntime runtime = lease.Mount(
                 () => RetailUiRuntime.CreateUninitialized(bindings));
             checkpoint(InteractionRetainedUiCompositionPoint.UiRuntimeMounted);

src/AcDream.App/Composition/InteractionUiRuntimeSources.cs

@@ -10,6 +10,7 @@ using AcDream.Core.Items;
 using AcDream.Core.Net;
 using AcDream.Core.Net.Messages;
 using AcDream.Runtime;
+using AcDream.Runtime.Session;
 using AcDream.UI.Abstractions;
 using Silk.NET.Windowing;
 
@@ -37,6 +38,24 @@ internal sealed class DeferredGameRuntimeStateCommands
         }
     }
 
+    /// <summary>
+    /// Borrows the current adapter's character-selection projection. The
+    /// reference is deliberately not cached here: releasing or displacing the
+    /// exact late binding makes the next read return <see langword="null"/>,
+    /// while <c>CurrentGameRuntimeAdapter</c> keeps an already-borrowed reference
+    /// inert if disposal races the render-thread consumer.
+    /// </summary>
+    public IRuntimeCharacterSelectionView? CharacterSelection
+    {
+        get
+        {
+            lock (_gate)
+                return !_deactivated && _view is not null
+                    ? _view.CharacterSelection
+                    : null;
+        }
+    }
+
     public IDisposable Bind(
         IGameRuntimeView view,
         IGameRuntimeCommands commands)
@@ -118,6 +137,35 @@ internal sealed class DeferredGameRuntimeStateCommands
             generation,
             new RuntimeAdvancementCommand(kind, statId, cost)));
 
+    // Campaign LA slice LA8: the retained character-management screen uses
+    // the same generation-capturing late seam as every gameplay panel. The
+    // screen never receives GameRuntime or WorldSession and cannot retain a
+    // stale generation across reconnect.
+
+    public RuntimeCommandResult CharacterSelectionHighlight(uint characterId) =>
+        Invoke((commands, generation) =>
+            commands.CharacterSelection.Highlight(generation, characterId));
+
+    public RuntimeCommandResult CharacterSelectionEnter() =>
+        Invoke((commands, generation) =>
+            commands.CharacterSelection.Enter(generation));
+
+    public RuntimeCommandResult CharacterSelectionRequestDelete() =>
+        Invoke((commands, generation) =>
+            commands.CharacterSelection.RequestDelete(generation));
+
+    public RuntimeCommandResult CharacterSelectionConfirmDelete() =>
+        Invoke((commands, generation) =>
+            commands.CharacterSelection.ConfirmDelete(generation));
+
+    public RuntimeCommandResult CharacterSelectionRestore() =>
+        Invoke((commands, generation) =>
+            commands.CharacterSelection.Restore(generation));
+
+    public RuntimeCommandResult CharacterSelectionCancel() =>
+        Invoke((commands, generation) =>
+            commands.CharacterSelection.Cancel(generation));
+
     // ── Campaign FA slice FA4: fellowship page commands ─────────────────
     // Same "capture view+commands under one generation" shape as every
     // method above — a displaced session (reconnect mid-click) can never