feat(D.2b): wire InventoryController container-open callbacks to the live session

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/AcDream.App/Rendering/GameWindow.cs

@@ -2238,7 +2238,9 @@ public sealed class GameWindow : IDisposable
                     datFont: vitalsDatFont,
                     contentsEmptySprite: contentsEmpty,
                     sideBagEmptySprite:  sideBagEmpty,
-                    mainPackEmptySprite: mainPackEmpty);
+                    mainPackEmptySprite: mainPackEmpty,
+                    sendUse:             g => _liveSession?.SendUse(g),
+                    sendNoLongerViewing: g => _liveSession?.SendNoLongerViewingContents(g));
 
                 Console.WriteLine("[D.2b-B] retail inventory window from LayoutDesc importer (0x21000023).");
             }