fix(runtime): restore interaction completion ownership

Preserve prepublication local motion completion, require the PartArray enter-world lifecycle port, and balance deferred Use busy ownership across dispatch and cancellation. Reconcile the completed GameWindow connected gates and add regression coverage.

Co-authored-by: Codex <codex@openai.com>

tests/AcDream.App.Tests/World/LiveEntityProjectionWithdrawalControllerTests.cs

@@ -214,7 +214,8 @@ public sealed class LiveEntityProjectionWithdrawalControllerTests
             Presentation = new LiveEntityPresentationController(
                 Live,
                 Physics.ShadowObjects,
-                (_, _, _) => false);
+                (_, _, _) => false,
+                new LiveEntityPartArrayEnterWorldPort(_ => { }));
             lifecycle.Bind(new DelegateLiveEntityRuntimeComponentLifecycle(
                 record => Controller.LeaveWorld(record, Guid)));
         }