refactor(runtime): close simulation ownership

Move remote-motion construction, CreateObject vector initialization, final simulation-component retirement, and the combined J5 ownership ledger into Runtime. Delete App compatibility views and moved-state reconstruction while preserving the existing graphical projection and retail update order.

tests/AcDream.App.Tests/Rendering/WorldRenderFrameBuilderTests.cs

@@ -190,7 +190,7 @@ public sealed class WorldRenderFrameBuilderTests
             cells,
             mode,
             chase,
-            new LocalPlayerControllerSlot(),
+            new RuntimeLocalPlayerMovementState(),
             origin);
         var camera = new FlyCamera { Position = new Vector3(5f, 6f, 7f) };
         WorldCameraFrame cameraFrame = CameraFrame(camera);
@@ -227,7 +227,7 @@ public sealed class WorldRenderFrameBuilderTests
             new CellVisibility(),
             new LocalPlayerModeState(),
             new ChaseCameraInputState(),
-            new LocalPlayerControllerSlot(),
+            new RuntimeLocalPlayerMovementState(),
             new LiveWorldOriginState());
         WorldCameraFrame camera = CameraFrame(new FlyCamera());