fix(rendering): preserve canonical projection ownership

src/AcDream.App/Rendering/Scene/CurrentRenderSceneOracle.cs

@@ -522,13 +522,22 @@ internal sealed class CurrentRenderSceneOracle :
                     tuple.LandblockId);
             if (!_dispatcherProjectionByEntity.TryGetValue(
                     tuple.Entity,
-                    out CurrentRenderProjectionFingerprint projection)
+                    out CurrentRenderProjectionFingerprint projection))
-                || projection.LandblockId != cacheLandblockId)
+            {
+                // Logical projection identity remains the canonical owner
+                // captured by the partition. The dispatcher's cache hint is
+                // a separate routing fact and can intentionally be the
+                // temporary player-bucket landblock for outdoor objects.
+                // Conflating the two rewrote identity at this observer edge.
+                if (!_projectionByEntity.TryGetValue(
+                        tuple.Entity,
+                        out projection))
                 {
                     projection = CreateFingerprint(
                         cacheLandblockId,
                         tuple.Entity,
                         ProjectionClassOf(tuple.Entity));
+                }
                 _dispatcherProjectionByEntity[tuple.Entity] = projection;
             }
             var candidate = new CurrentRenderDispatcherFingerprint(

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

@@ -344,6 +344,34 @@ public sealed class CurrentRenderSceneOracleTests
         Assert.NotEqual(first.DispatcherDigest, reset.DispatcherDigest);
     }
 
+    [Fact]
+    public void DispatcherTemporaryBucket_DoesNotRewriteProjectionOwner()
+    {
+        WorldEntity outdoor = Entity(
+            id: 61,
+            serverGuid: 0,
+            parentCell: null);
+        var oracle = new CurrentRenderSceneOracle();
+        var result = new InteriorEntityPartition.Result();
+        InteriorEntityPartition.Partition(
+            result,
+            [],
+            [Entry(LandblockA, outdoor)],
+            oracle);
+
+        oracle.BeginDispatcherFrame();
+        oracle.ObserveDispatcherDraw(
+            WbDrawDispatcher.EntitySet.All,
+            entitiesWalked: 1,
+            [(outdoor, 0, LandblockB)]);
+
+        CurrentRenderDispatcherFingerprint candidate =
+            Assert.Single(oracle.DispatcherCandidates);
+        Assert.Equal(LandblockA, candidate.Projection.LandblockId);
+        Assert.Equal(LandblockB, candidate.TupleLandblockId);
+        Assert.Equal(LandblockB, candidate.CacheLandblockId);
+    }
+
     [Fact]
     public void DispatcherAbortDiscardsIncompleteCandidates()
     {