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.Runtime.Tests/Entities/RuntimeEntityObjectLifetimeTests.cs

@@ -1123,7 +1123,10 @@ public sealed class RuntimeEntityObjectLifetimeTests
         lifetime.Dispose();
 
         Assert.Equal(
-            default(RuntimeEntityObjectOwnershipSnapshot),
+            default(RuntimeEntityObjectOwnershipSnapshot) with
+            {
+                IsDisposed = true,
+            },
             lifetime.CaptureOwnership());
     }
 
@@ -1158,7 +1161,10 @@ public sealed class RuntimeEntityObjectLifetimeTests
         lifetime.Dispose();
 
         Assert.Equal(
-            default(RuntimeEntityObjectOwnershipSnapshot),
+            default(RuntimeEntityObjectOwnershipSnapshot) with
+            {
+                IsDisposed = true,
+            },
             lifetime.CaptureOwnership());
     }