diff --git a/src/AcDream.App/Rendering/GameWindow.cs b/src/AcDream.App/Rendering/GameWindow.cs
index 3cc4b15..73127de 100644
--- a/src/AcDream.App/Rendering/GameWindow.cs
+++ b/src/AcDream.App/Rendering/GameWindow.cs
@@ -1791,6 +1791,7 @@ public sealed class GameWindow : IDisposable
             _liveSession.MotionUpdated += OnLiveMotionUpdated;
             _liveSession.PositionUpdated += OnLivePositionUpdated;
             _liveSession.VectorUpdated += OnLiveVectorUpdated;
+            _liveSession.StateUpdated += OnLiveStateUpdated;
             _liveSession.TeleportStarted += OnTeleportStarted;
             _liveSession.AppearanceUpdated += OnLiveAppearanceUpdated;
 
@@ -2976,7 +2977,7 @@ public sealed class GameWindow : IDisposable
         // L.2d slice 1 (2026-05-13): [entity-source] greppable from [resolve-bldg].
         if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
             Console.WriteLine(System.FormattableString.Invariant(
-                $"[entity-source] id=0x{entity.Id:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{spawn.Position.Value.LandblockId:X8} type=Cylinder note=server-spawn-root"));
+                $"[entity-source] id=0x{entity.Id:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{spawn.Position.Value.LandblockId:X8} type=Cylinder note=server-spawn-root state=0x{state:X8} flags={flags}"));
     }
 
     private bool RemoveLiveEntityByServerGuid(uint serverGuid, bool logDelete)
@@ -3754,6 +3755,23 @@ public sealed class GameWindow : IDisposable
         }
     }
 
+    /// <summary>
+    /// L.2g slice 1: inbound SetState (0xF74B) handler. Propagates the
+    /// new <c>PhysicsState</c> bits into ShadowObjectRegistry so the
+    /// existing <see cref="CollisionExemption.ShouldSkip"/> check honors
+    /// the flip on the next resolver tick. Chiefly doors:
+    /// server flips <c>ETHEREAL_PS = 0x4</c> on Use, the door's
+    /// cylinder collision stops blocking the threshold.
+    /// </summary>
+    private void OnLiveStateUpdated(AcDream.Core.Net.Messages.SetState.Parsed parsed)
+    {
+        _physicsEngine.ShadowObjects.UpdatePhysicsState(parsed.Guid, parsed.PhysicsState);
+
+        if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
+            Console.WriteLine(System.FormattableString.Invariant(
+                $"[setstate] guid=0x{parsed.Guid:X8} state=0x{parsed.PhysicsState:X8} instSeq={parsed.InstanceSequence} stateSeq={parsed.StateSequence}"));
+    }
+
     private static bool IsRemoteLocomotion(uint motion)
     {
         uint low = motion & 0xFFu;
@@ -5540,9 +5558,11 @@ public sealed class GameWindow : IDisposable
                 // L.2d slice 1 (2026-05-13): [entity-source] greppable from [resolve-bldg].
                 // partCached?.BSP?.Root non-null was checked above (else `continue`),
                 // so hasPhys=true on this path.
+                // state/flags literals: landblock-baked scenery has no server PhysicsState
+                // broadcast and no PWD bitfield; defaults match static-solid semantics.
                 if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
                     Console.WriteLine(System.FormattableString.Invariant(
-                        $"[entity-source] id=0x{partId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{meshRef.GfxObjId:X8} lb=0x{lb.LandblockId:X8} type=BSP note=partIdx={partIndex} hasPhys=true"));
+                        $"[entity-source] id=0x{partId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{meshRef.GfxObjId:X8} lb=0x{lb.LandblockId:X8} type=BSP note=partIdx={partIndex} hasPhys=true state=0x{0u:X8} flags={AcDream.Core.Physics.EntityCollisionFlags.None}"));
 
                 entityBsp++;
                 partIndex++;
@@ -5595,9 +5615,10 @@ public sealed class GameWindow : IDisposable
                             origin.X, origin.Y, lb.LandblockId,
                             AcDream.Core.Physics.ShadowCollisionType.Cylinder, cylHeight);
                         // L.2d slice 1 (2026-05-13): [entity-source] greppable from [resolve-bldg].
+                        // state/flags literals: landblock-baked scenery; no server PhysicsState.
                         if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
                             Console.WriteLine(System.FormattableString.Invariant(
-                                $"[entity-source] id=0x{shapeId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=setup-cylsphere#{ci}"));
+                                $"[entity-source] id=0x{shapeId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=setup-cylsphere#{ci} state=0x{0u:X8} flags={AcDream.Core.Physics.EntityCollisionFlags.None}"));
                         entityCyl++;
                     }
 
@@ -5629,9 +5650,10 @@ public sealed class GameWindow : IDisposable
                                 origin.X, origin.Y, lb.LandblockId,
                                 AcDream.Core.Physics.ShadowCollisionType.Cylinder, sphHeight);
                             // L.2d slice 1 (2026-05-13): [entity-source] greppable from [resolve-bldg].
+                            // state/flags literals: landblock-baked scenery; no server PhysicsState.
                             if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
                                 Console.WriteLine(System.FormattableString.Invariant(
-                                    $"[entity-source] id=0x{shapeId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=setup-sphere#{si}"));
+                                    $"[entity-source] id=0x{shapeId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=setup-sphere#{si} state=0x{0u:X8} flags={AcDream.Core.Physics.EntityCollisionFlags.None}"));
                             entityCyl++;
                         }
                     }
@@ -5651,9 +5673,10 @@ public sealed class GameWindow : IDisposable
                             origin.X, origin.Y, lb.LandblockId,
                             AcDream.Core.Physics.ShadowCollisionType.Cylinder, fh);
                         // L.2d slice 1 (2026-05-13): [entity-source] greppable from [resolve-bldg].
+                        // state/flags literals: landblock-baked scenery; no server PhysicsState.
                         if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
                             Console.WriteLine(System.FormattableString.Invariant(
-                                $"[entity-source] id=0x{shapeId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=setup-radius-fallback"));
+                                $"[entity-source] id=0x{shapeId:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=setup-radius-fallback state=0x{0u:X8} flags={AcDream.Core.Physics.EntityCollisionFlags.None}"));
                         entityCyl++;
                     }
                 }
@@ -5836,9 +5859,10 @@ public sealed class GameWindow : IDisposable
                         origin.X, origin.Y, lb.LandblockId,
                         AcDream.Core.Physics.ShadowCollisionType.Cylinder, cylHeight);
                     // L.2d slice 1 (2026-05-13): [entity-source] greppable from [resolve-bldg].
+                    // state/flags literals: landblock-baked scenery; no server PhysicsState.
                     if (AcDream.Core.Physics.PhysicsDiagnostics.ProbeBuildingEnabled)
                         Console.WriteLine(System.FormattableString.Invariant(
-                            $"[entity-source] id=0x{entity.Id:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=mesh-aabb-fallback"));
+                            $"[entity-source] id=0x{entity.Id:X8} entityId=0x{entity.Id:X8} src=0x{entity.SourceGfxObjOrSetupId:X8} gfxObj=0x{entity.SourceGfxObjOrSetupId:X8} lb=0x{lb.LandblockId:X8} type=Cylinder note=mesh-aabb-fallback state=0x{0u:X8} flags={AcDream.Core.Physics.EntityCollisionFlags.None}"));
                     entityCyl++;
                     if (_isScenery) scRegistered++;
                 }