diff --git a/.voidbot/state/aetheria.cc b/.voidbot/state/aetheria.cc
index dd2223b02..30b5d7081 100644
Binary files a/.voidbot/state/aetheria.cc and b/.voidbot/state/aetheria.cc differ
diff --git a/Assets/Scripts/InitialSettings.cs b/Assets/Scripts/InitialSettings.cs
deleted file mode 100644
index d39907045..000000000
--- a/Assets/Scripts/InitialSettings.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using MessagePack;
-using MessagePack.Resolvers;
-using UnityEngine;
-
-namespace Assets.Scripts
-{
-    class InitialSettings
-    {
-        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
-        static void RegisterResolvers()
-        {
-            // NOTE: Currently, CompositeResolver doesn't work on Unity IL2CPP build. Use StaticCompositeResolver instead of it.
-            StaticCompositeResolver.Instance.Register(
-                MathResolver.Instance,
-                BuiltinResolver.Instance,
-                PrimitiveObjectResolver.Instance
-            );
-
-            MessagePackSerializer.DefaultOptions = MessagePackSerializer.DefaultOptions
-                .WithResolver(StaticCompositeResolver.Instance);
-        }
-    }
-}
diff --git a/Assets/Scripts/UI/InputScreen/InputLayout.cs b/Assets/Scripts/UI/InputScreen/InputLayout.cs
index 548220617..dd8512034 100644
--- a/Assets/Scripts/UI/InputScreen/InputLayout.cs
+++ b/Assets/Scripts/UI/InputScreen/InputLayout.cs
@@ -1,9 +1,8 @@
 using System.Collections.Generic;
-using MessagePack;
-[MessagePackObject]
+
 public class InputLayout
 {
-    [Key(0)] public InputLayoutRow[] Rows;
+    public InputLayoutRow[] Rows;
 
     public IEnumerable<InputLayoutBindableKey> GetBindableKeys()
     {
@@ -22,49 +21,33 @@ public class InputLayout
     }
 }
 
-[MessagePackObject,
- Union(0, typeof(InputLayoutRowSpacer)),
- Union(1, typeof(InputLayoutKeyRow))
-]
 public abstract class InputLayoutRow { }
 
-[MessagePackObject]
 public class InputLayoutRowSpacer : InputLayoutRow
 {
-    [Key(0)] public float Height;
+    public float Height;
 }
 
-[MessagePackObject]
 public class InputLayoutKeyRow : InputLayoutRow
 {
-    [Key(0)] public InputLayoutColumn[] Columns;
+    public InputLayoutColumn[] Columns;
 }
 
-[MessagePackObject,
- Union(0, typeof(InputLayoutColumnSpacer)),
- Union(1, typeof(InputLayoutKey)),
- Union(2, typeof(InputLayoutBindableKey)),
- Union(3, typeof(InputLayoutMultiRowKey))
-]
 public abstract class InputLayoutColumn
 {
-    [Key(0)] public float Width;
+    public float Width;
 }
 
-[MessagePackObject]
 public class InputLayoutColumnSpacer : InputLayoutColumn { }
 
-[MessagePackObject]
 public class InputLayoutKey : InputLayoutColumn { }
 
-[MessagePackObject]
 public class InputLayoutBindableKey : InputLayoutKey, IBindableButton
 {
-    [Key(1)] public string MainLabel;
-    [Key(2)] public string AltLabel;
-    [Key(3)] public string ShortPath;
+    public string MainLabel;
+    public string AltLabel;
+    public string ShortPath;
 
-    [IgnoreMember]
     public string InputSystemPath
     {
         get
@@ -80,7 +63,7 @@ public class InputLayoutBindableKey : InputLayoutKey, IBindableButton
 
 public class InputLayoutMultiRowKey : InputLayoutBindableKey
 {
-    [Key(4)] public int Height;
+    public int Height;
 }
 
 public class InputLayoutMouseButton : IBindableButton
@@ -96,4 +79,4 @@ public class InputLayoutMouseButton : IBindableButton
 public interface IBindableButton
 {
     public string InputSystemPath { get; set; }
-}
\ No newline at end of file
+}
diff --git a/docs/aetheria-perfect-machine-map.md b/docs/aetheria-perfect-machine-map.md
index 48c281d8c..5bb0edd51 100644
--- a/docs/aetheria-perfect-machine-map.md
+++ b/docs/aetheria-perfect-machine-map.md
@@ -28,7 +28,8 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   `Economy.Shared` wrapper have been removed from live source. The stale
   `StrategyGameManager.csbak` backup file and unused Unity asset MessagePack
   formatter classes have also been deleted, so the remaining direct
-  `MessagePackSerializer` calls are the two legacy catalog deserializers.
+  `MessagePackSerializer` calls are the two legacy catalog deserializers and
+  their resolver setup.
 - Local legacy catalog data remains in `GameData/AetherDB.msgpack` and
   `GameData/NameFile/*.msgpack` as migration/catalog inputs. The old
   `PlayerSettings.msgpack`, `.loadout`, `.zone`, and
@@ -91,8 +92,10 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   `EntitySettings`, and UI/player-settings startup no longer registers the old
   MessagePack resolver. Resolver registration is confined to legacy catalog
   deserialization. Unused Unity asset formatters for GameObject, Material,
-  Sprite, and Texture2D are deleted. The slime compute settings path no longer
-  serializes its local parameter struct for change detection.
+  Sprite, and Texture2D are deleted. Keyboard layout DTOs are plain runtime
+  parse/display models, not MessagePack save shapes. The global scene-load
+  MessagePack resolver hook is deleted. The slime compute settings path no
+  longer serializes its local parameter struct for change detection.
 - The dead story compiled-JSON cache sketch and its SHA helper are deleted;
   story compilation currently reads Ink source directly until a typed Verse
   story/cache document exists.
@@ -272,6 +275,8 @@ First Aetheria surfaces to publish:
    - Done: delete public legacy catalog cache mutation APIs.
    - Done: delete the stale `StrategyGameManager.csbak` backup source and
      unused Unity asset MessagePack formatters.
+   - Done: demote keyboard layout DTOs from MessagePack shapes and delete the
+     global scene-load MessagePack resolver hook.
    - Remaining: delete or quarantine old cache abstractions that no longer
      protect an invariant once catalog migration has a typed reader.