test(streaming): enforce slice E physical evidence

Record route-lifetime streaming overruns and maximum operation costs, require canonical reveal/resource convergence at every connected checkpoint, and keep recenter semantics independent of the production wall-clock budget.

Co-authored-by: Erik Nilsson <erikn@users.noreply.github.com>

tests/AcDream.App.Tests/Streaming/StreamingWorkBudgetTests.cs

@@ -241,6 +241,9 @@ public sealed class StreamingWorkBudgetTests
         Assert.Equal(1, snapshot.OverrunCount);
         Assert.Equal(1, snapshot.FailureCount);
         Assert.Equal(0, snapshot.CompletedOperations);
+        Assert.Equal(3, snapshot.MaximumOperationMilliseconds);
+        Assert.Equal("slow", snapshot.MaximumOperationStage);
+        Assert.Equal("slow", snapshot.LastStage);
         Assert.Equal(StreamingWorkLimit.Time, snapshot.LastLimit);
     }
 
@@ -465,6 +468,29 @@ public sealed class StreamingWorkBudgetTests
         Assert.Equal(4, second.LastFrame.CompletedOperations);
     }
 
+    [Fact]
+    public void ControllerPublishesLifetimeOversizeAndMaximumOperationEvidence()
+    {
+        uint center = StreamingRegion.EncodeLandblockIdForTest(32, 32);
+        var source = new QueueCompletionSource(Loaded(center));
+        StreamingController controller = Controller(
+            source,
+            static () => { },
+            WorkOptions(
+                admissions: 4,
+                cpuBytes: 1_000,
+                gpuBytes: 1));
+
+        controller.Tick(32, 32);
+
+        StreamingWorkDiagnostics diagnostics = controller.WorkDiagnostics;
+        Assert.True(diagnostics.LifetimeOversizedProgressCount >= 1);
+        Assert.True(diagnostics.MaximumOperationMilliseconds >= 0);
+        Assert.NotNull(diagnostics.MaximumOperationStage);
+        Assert.True(diagnostics.MaximumFrameMilliseconds >=
+            diagnostics.MaximumOperationMilliseconds);
+    }
+
     [Fact]
     public void ControllerBoundsProductionAdmissionByCountBeforeAdoption()
     {