diff --git a/demo/benchmark_large_house.mjs b/demo/benchmark_large_house.mjs
index f3e56460..1570e50d 100644
--- a/demo/benchmark_large_house.mjs
+++ b/demo/benchmark_large_house.mjs
@@ -255,7 +255,8 @@ try {
         if (snapshot.renderedOverlayCount < 1) failures.push('no raised overlay roots rendered');
         if (snapshot.raisedOverlayCount !== snapshot.renderedOverlayCount)
           failures.push('one or more Stage 4 overlay roots remained outside the low visual plane');
-        if (snapshot.nudgedOverlayCount < 1) failures.push('dense fixture produced no bounded nudge');
+        if (snapshot.nudgedOverlayCount !== 0)
+          failures.push('raised overlay nudged although #713 lifts every tile by one rise');
         if (snapshot.raisedVacuumCount !== 0) failures.push('floor-bound vacuum was marked as raised');
         if (missingKinds.length) failures.push(`missing overlay kinds: ${missingKinds.join(', ')}`);
         for (const kind of expectedKinds) {
diff --git a/demo/performance/README.md b/demo/performance/README.md
index 487df364..abc4b133 100644
--- a/demo/performance/README.md
+++ b/demo/performance/README.md
@@ -22,8 +22,10 @@ value, LQI and new-device badges plus contact/lock-bound door, window and gate
 examples. The base invocation explicitly allows a Stage 2 renderer so an older
 `dev` SHA remains measurable; the candidate invocation fails closed unless it
 reports effective Iso, the Stage 3 revision, all required raised overlay kinds,
-at least one real nudge, a bounded shared material-definition set and zero
-structural rebuilds during HA, opening and hover/focus updates. The two extra
+no nudged overlay root (since #713 every raised tile is lifted by the one shared
+wall-top rise, so a nudge means the #651 placement search came back), a bounded
+shared material-definition set and zero structural rebuilds during HA, opening
+and hover/focus updates. The two extra
 timing windows use limits no softer than the historical HA-update budget. This
 does not change the fixture, measured windows or budget of
 `large-house-isometric-v1`, which remains the #124 regression witness.
diff --git a/test/performance-workflow.test.mjs b/test/performance-workflow.test.mjs
index 42077f3c..638958fa 100644
--- a/test/performance-workflow.test.mjs
+++ b/test/performance-workflow.test.mjs
@@ -150,6 +150,7 @@ test('#570 current Stage 4 runner fails closed on the agreed observable DOM cont
     'opening surfaces',
     'entered Flat fallback',
     'structural build counter is absent',
+    'raised overlay nudged although #713 lifts every tile by one rise',
     'isoStructuralBuilds',
     'haUpdateDelta',
     'performed a structural rebuild for an HA-only state update',