fix(world): restore portal and distant use lifecycles

src/AcDream.App/World/LiveEntityRuntime.cs

@@ -1901,6 +1901,18 @@ public sealed class LiveEntityRuntime
         && _spatialAnimationsByLocalId.TryGetValue(entity.Id, out var indexed)
         && ReferenceEquals(indexed, animation);
 
+    /// <summary>
+    /// Returns whether <paramref name="animation"/> is still the canonical
+    /// animation component of this logical entity incarnation. Motion
+    /// completion belongs to that CPhysicsObj/PartArray lifetime, not to the
+    /// transient render-bucket projection used by per-frame presentation.
+    /// </summary>
+    internal bool IsCurrentAnimationOwner(
+        LiveEntityRecord record,
+        ILiveEntityAnimationRuntime animation) =>
+        IsCurrentRecord(record)
+        && ReferenceEquals(record.AnimationRuntime, animation);
+
     /// <summary>
     /// Copies the currently spatial animation owners through the concrete
     /// dictionary enumerator. This keeps per-frame traversal allocation-free;