diff --git a/src/AcDream.App/Rendering/IndoorCellStencilPipeline.cs b/src/AcDream.App/Rendering/IndoorCellStencilPipeline.cs
index 7958e44..a35b8c7 100644
--- a/src/AcDream.App/Rendering/IndoorCellStencilPipeline.cs
+++ b/src/AcDream.App/Rendering/IndoorCellStencilPipeline.cs
@@ -276,7 +276,7 @@ public sealed unsafe class IndoorCellStencilPipeline : IDisposable
         // Triangulate the region (fan per convex polygon) into NDC Vector3 (z=0).
         int triVerts = 0;
         foreach (var p in region) if (!p.IsEmpty) triVerts += (p.Vertices.Length - 2) * 3;
-        if (triVerts == 0) { _lastVertexCount = 0; return; }
+        if (triVerts == 0) { _lastVertexCount = 0; LastStencilVertexCount = 0; LastStencilBuildingId = 0; return; }
 
         var verts = new Vector3[triVerts];
         int idx = 0;
@@ -299,6 +299,12 @@ public sealed unsafe class IndoorCellStencilPipeline : IDisposable
         _gl.BindBuffer(BufferTargetARB.ArrayBuffer, 0);
         _lastVertexCount = triVerts;
 
+        // Phase A8.F: expose the clipped-mask vert count to the [stencil] probe so the Task 9
+        // visual-gate evidence reflects the recursively-clipped OutsideView (building id 0 = N/A).
+        LastStencilVertexCount = triVerts;
+        LastStencilWasFarPunch = true;
+        LastStencilBuildingId = 0;
+
         // Same GL state machine as MarkAndPunch, but identity VP (verts are already NDC).
         var identity = Matrix4x4.Identity;