fix(rendering): bound portal resource lifetime

Separate logical ownership, render publication, and GPU retirement across live entities, landblocks, particles, textures, mesh arenas, portal/UI teardown, and per-frame scratch storage. Add bounded DAT/texture caches, upload budgets, three-frame fence retirement, exact-incarnation appearance reconciliation, frame pacing, and extensive lifetime conformance coverage.\n\nThe seven-destination connected route now cuts peak working/private memory roughly in half, returns Caul to 125-153 FPS locally, and produces no WER or AMD reset.\n\nCo-authored-by: OpenAI Codex <codex@openai.com>

tests/AcDream.Core.Tests/Streaming/StreamingControllerPriorityApplyTests.cs

@@ -149,6 +149,58 @@ public class StreamingControllerPriorityApplyTests
         Assert.Equal(3, applied.Count);
     }
 
+    [Fact]
+    public void DeferredCompaction_ApplyFailureRetainsExactResultWithoutReplayingCommittedPrefix()
+    {
+        uint priority = StreamingRegion.EncodeLandblockIdForTest(169, 180);
+        uint first = StreamingRegion.EncodeLandblockIdForTest(169, 182);
+        uint retry = StreamingRegion.EncodeLandblockIdForTest(169, 183);
+        uint last = StreamingRegion.EncodeLandblockIdForTest(169, 184);
+        var outbox = new Queue<LandblockStreamResult>(
+        [
+            LoadedOf(first),
+            LoadedOf(retry),
+            LoadedOf(last),
+        ]);
+        var applied = new List<uint>();
+        bool failRetryOnce = true;
+        var ctrl = new StreamingController(
+            enqueueLoad: (_, _) => { },
+            enqueueUnload: _ => { },
+            drainCompletions: max =>
+            {
+                var batch = new List<LandblockStreamResult>();
+                while (batch.Count < max && outbox.Count > 0)
+                    batch.Add(outbox.Dequeue());
+                return batch;
+            },
+            applyTerrain: (build, _) =>
+            {
+                if (build.LandblockId == retry && failRetryOnce)
+                {
+                    failRetryOnce = false;
+                    throw new InvalidOperationException("synthetic upload failure");
+                }
+                applied.Add(build.LandblockId);
+            },
+            state: new GpuWorldState(),
+            nearRadius: 4,
+            farRadius: 12)
+        {
+            MaxCompletionsPerFrame = 3,
+            PriorityLandblockId = priority,
+        };
+
+        Assert.Throws<InvalidOperationException>(() => ctrl.Tick(169, 180));
+        Assert.Equal([first], applied);
+        Assert.Equal(2, ctrl.DeferredApplyBacklog);
+
+        ctrl.Tick(169, 180);
+
+        Assert.Equal([first, retry, last], applied);
+        Assert.Equal(0, ctrl.DeferredApplyBacklog);
+    }
+
     [Fact]
     public void ForceReloadWindow_DiscardsBufferedCompletionsFromOldWindow()
     {