refactor(streaming): compose landblock presentation transaction

Own render, physics, DAT-static presentation, and retained static-resource rebinds behind retryable receipts so a failed publication resumes its exact unfinished suffix without replaying retail create-time defaults.

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

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

@@ -64,6 +64,42 @@ public sealed class RetailStaticAnimatingObjectSchedulerTests
         Assert.Equal(2, posePublishes);
     }
 
+    [Fact]
+    public void Rebind_RetainsSequencerAndPublishesIntoReplacementEntity()
+    {
+        var loader = new Loader();
+        loader.Add(AnimationId, TwoFrameAnimation());
+        var scheduler = new RetailStaticAnimatingObjectScheduler(
+            loader,
+            (_, _) => { },
+            (_, _, _) => { });
+        Setup setup = MakeSetup();
+        WorldEntity first = MakeEntity();
+        ScriptActivationInfo info = new(
+            ScriptId: 0,
+            PartTransforms: first.IndexedPartTransforms,
+            PartAvailability: first.IndexedPartAvailable,
+            Setup: setup,
+            DefaultAnimationId: AnimationId,
+            UsesStaticAnimationWorkset: true);
+        scheduler.Register(first, info);
+        scheduler.Tick(1f / 60f);
+        float phaseBeforeRebind = first.MeshRefs[0].PartTransform.Translation.X;
+
+        WorldEntity replacement = MakeEntity();
+        replacement.Position = new Vector3(4f, 5f, 6f);
+        scheduler.Rebind(replacement, info with
+        {
+            PartTransforms = replacement.IndexedPartTransforms,
+            PartAvailability = replacement.IndexedPartAvailable,
+        });
+        scheduler.Tick(1f / 60f);
+
+        Assert.Equal(1, scheduler.Count);
+        Assert.True(
+            replacement.MeshRefs[0].PartTransform.Translation.X > phaseBeforeRebind);
+    }
+
     [Fact]
     public void ShortStaticAnimFrame_RetainsCompleteTrailingPartState()
     {