fix(client): restore retail interaction parity

Harden keyboard and camera routing, inventory and vendor interactions, chat/emotes, relog portal flow, and paperdoll rendering. Add retail research, connected gate coverage, and release-gate validation.

src/AcDream.App/Rendering/PaperdollViewportRenderer.cs

@@ -42,6 +42,8 @@ public sealed class PaperdollViewportRenderer :
 
     public void SetDoll(WorldEntity? doll) => _renderer.SetEntity(doll);
 
+    public void Prepare() => _renderer.Prepare();
+
     public uint Render(int width, int height) =>
         _renderer.Render(width, height);