Implement retail character management screen

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