diff --git a/src/AcDream.App/Rendering/GameWindow.cs b/src/AcDream.App/Rendering/GameWindow.cs
index 2938753..4927cf0 100644
--- a/src/AcDream.App/Rendering/GameWindow.cs
+++ b/src/AcDream.App/Rendering/GameWindow.cs
@@ -8847,8 +8847,12 @@ public sealed class GameWindow : IDisposable
         long cpuP95HundredthsUs = TerrainDiagPercentile95Micros(_terrainCpuSamples);
         double cpuMedUs = cpuMedHundredthsUs / 100.0;
         double cpuP95Us = cpuP95HundredthsUs / 100.0;
+        // A.5 T23: flag when terrain dispatcher median exceeds 1.0ms budget
+        // (Phase A.5 spec §2 acceptance criterion 6). Grep-friendly prefix.
+        const double TerrainBudgetUs = 1000.0;
+        string terrainBudgetFlag = cpuMedUs > TerrainBudgetUs ? " BUDGET_OVER" : "";
         Console.WriteLine(
-            $"[TERRAIN-DIAG] cpu_us={cpuMedUs:F2}m/{cpuP95Us:F2}p95  " +
+            $"[TERRAIN-DIAG]{terrainBudgetFlag} cpu_us={cpuMedUs:F2}m/{cpuP95Us:F2}p95  " +
             $"draws={_terrain?.VisibleSlots ?? 0}/frame  " +
             $"visible={_terrain?.VisibleSlots ?? 0}  " +
             $"loaded={_terrain?.LoadedSlots ?? 0}  " +
diff --git a/src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs b/src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs
index 5d35f68..3a4db8c 100644
--- a/src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs
+++ b/src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs
@@ -583,8 +583,12 @@ public sealed unsafe class WbDrawDispatcher : IDisposable
             long cpuP95 = Percentile95Micros(_cpuSamples);
             long gpuMed = MedianMicros(_gpuSamples);
             long gpuP95 = Percentile95Micros(_gpuSamples);
+            // A.5 T23: flag when entity dispatcher median exceeds 2.0ms budget
+            // (Phase A.5 spec §2 acceptance criterion 6). Grep-friendly prefix.
+            const long BudgetUs = 2000;
+            string budgetFlag = cpuMed > BudgetUs ? " BUDGET_OVER" : "";
             Console.WriteLine(
-                $"[WB-DIAG] entSeen={_entitiesSeen} entDrawn={_entitiesDrawn} meshMissing={_meshesMissing} drawsIssued={_drawsIssued} instances={_instancesIssued} groups={_groups.Count} " +
+                $"[WB-DIAG]{budgetFlag} entSeen={_entitiesSeen} entDrawn={_entitiesDrawn} meshMissing={_meshesMissing} drawsIssued={_drawsIssued} instances={_instancesIssued} groups={_groups.Count} " +
                 $"cpu_us={cpuMed}m/{cpuP95}p95 gpu_us={gpuMed}m/{gpuP95}p95");
             _entitiesSeen = _entitiesDrawn = _meshesMissing = _drawsIssued = _instancesIssued = 0;
             _lastLogTick = now;