diff --git a/.voidbot/state/aetheria.cc b/.voidbot/state/aetheria.cc
index 81eea9c0b..f7ef0a864 100644
Binary files a/.voidbot/state/aetheria.cc and b/.voidbot/state/aetheria.cc differ
diff --git a/Aetheria.State.Verify/Program.cs b/Aetheria.State.Verify/Program.cs
index 286e66a15..8823ca077 100644
--- a/Aetheria.State.Verify/Program.cs
+++ b/Aetheria.State.Verify/Program.cs
@@ -12,6 +12,7 @@ RequirePackageSerializerBoundary(root);
 RequireEveRuntimeBootstrap(root);
 RequireNoRendererLocalConsole(root);
 RequireNoRendererLocalDebugPanels(root);
+RequireMainMenuSettingsCommit(root);
 
 await using var node = await AetheriaStateNode.OpenAsync(statePath, "aetheria-state-verify");
 
@@ -453,6 +454,7 @@ Console.WriteLine("Package serializer boundary: MessagePack symbols remain in na
 Console.WriteLine("Eve runtime bootstrap: operations surface mounts through UI Toolkit presenter");
 Console.WriteLine("Renderer-local console authority: deleted; UI commands flow through Eve command documents");
 Console.WriteLine("Renderer-local debug panels: obsolete uGUI field tester authority is deleted");
+Console.WriteLine("Main-menu settings authority: gameplay and graphics settings return through typed player-settings commits");
 
 static void RequireCount(AetheriaMigrationLedger ledger, string documentType, int actual)
 {
@@ -684,6 +686,64 @@ static void RequireNoRendererLocalDebugPanels(string root)
     }
 }
 
+static void RequireMainMenuSettingsCommit(string root)
+{
+    var mainMenuPath = Path.Combine(root, "Assets", "Scripts", "UI", "MainMenu.cs");
+    if (!File.Exists(mainMenuPath))
+    {
+        throw new InvalidOperationException("Cannot verify main-menu settings commit path; MainMenu.cs is missing.");
+    }
+
+    var source = File.ReadAllText(mainMenuPath);
+    if (!source.Contains("private void CommitRuntimeSettingsAndReturn()", StringComparison.Ordinal) ||
+        !source.Contains("ActionGameManager.QueueRuntimePlayerSettingsCommit();", StringComparison.Ordinal))
+    {
+        throw new InvalidOperationException(
+            "MainMenu no longer exposes a shared typed player-settings commit return path.");
+    }
+
+    var graphicsSettings = ExtractMethodBody(source, "ShowGraphicsSettings");
+    if (!graphicsSettings.Contains("CommitRuntimeSettingsAndReturn", StringComparison.Ordinal))
+    {
+        throw new InvalidOperationException(
+            "MainMenu graphics settings can return without queuing the typed player-settings commit.");
+    }
+
+    var gameplaySettings = ExtractMethodBody(source, "ShowGameplaySettings");
+    if (!gameplaySettings.Contains("CommitRuntimeSettingsAndReturn", StringComparison.Ordinal))
+    {
+        throw new InvalidOperationException(
+            "MainMenu gameplay settings can return without queuing the typed player-settings commit.");
+    }
+}
+
+static string ExtractMethodBody(string source, string methodName)
+{
+    var signature = "private void " + methodName + "()";
+    var signatureIndex = source.IndexOf(signature, StringComparison.Ordinal);
+    if (signatureIndex < 0)
+        throw new InvalidOperationException($"Cannot find MainMenu.{methodName} for settings authority verification.");
+
+    var braceIndex = source.IndexOf('{', signatureIndex);
+    if (braceIndex < 0)
+        throw new InvalidOperationException($"Cannot find MainMenu.{methodName} body for settings authority verification.");
+
+    var depth = 0;
+    for (var index = braceIndex; index < source.Length; index++)
+    {
+        if (source[index] == '{')
+            depth++;
+        else if (source[index] == '}')
+        {
+            depth--;
+            if (depth == 0)
+                return source.Substring(braceIndex, index - braceIndex + 1);
+        }
+    }
+
+    throw new InvalidOperationException($"MainMenu.{methodName} body is not balanced.");
+}
+
 static bool ContainsBehaviorValueKind(AetheriaBehaviorValue value, string kind)
 {
     return string.Equals(value.Kind, kind, StringComparison.OrdinalIgnoreCase) ||
diff --git a/Assets/Scripts/UI/MainMenu.cs b/Assets/Scripts/UI/MainMenu.cs
index 9e5fd64f3..9c624146c 100644
--- a/Assets/Scripts/UI/MainMenu.cs
+++ b/Assets/Scripts/UI/MainMenu.cs
@@ -222,12 +222,7 @@ public class MainMenu : MonoBehaviour
             () => ActionGameManager.RuntimePlayerSettings.GameplaySettings.SignificantDigits,
             i => ActionGameManager.RuntimePlayerSettings.GameplaySettings.SignificantDigits = i);
         _nextMenu.panel.AddButton("Back",
-            () =>
-            {
-                ActionGameManager.QueueRuntimePlayerSettingsCommit();
-                ShowSettings();
-                Fade(false);
-            });
+            CommitRuntimeSettingsAndReturn);
     }
 
     private void ShowGraphicsSettings()
@@ -246,11 +241,7 @@ public class MainMenu : MonoBehaviour
             () => ActionGameManager.RuntimePlayerSettings.GraphicsSettings.ShowAsteroidsInMinimap,
             b => ActionGameManager.RuntimePlayerSettings.GraphicsSettings.ShowAsteroidsInMinimap = b);
         _nextMenu.panel.AddButton("Back",
-            () =>
-            {
-                ShowSettings();
-                Fade(false);
-            });
+            CommitRuntimeSettingsAndReturn);
     }
 
     private void ShowInputSettings()
@@ -276,4 +267,11 @@ public class MainMenu : MonoBehaviour
                 Fade(false);
             });
     }
+
+    private void CommitRuntimeSettingsAndReturn()
+    {
+        ActionGameManager.QueueRuntimePlayerSettingsCommit();
+        ShowSettings();
+        Fade(false);
+    }
 }
diff --git a/docs/aetheria-perfect-machine-map.md b/docs/aetheria-perfect-machine-map.md
index 1b7e77b59..9da332346 100644
--- a/docs/aetheria-perfect-machine-map.md
+++ b/docs/aetheria-perfect-machine-map.md
@@ -87,9 +87,11 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   name, tutorial flag, story-file hash cursors, gameplay formatting, graphics
   preferences, input binding overrides, and action-bar inputs. Unity's menu and
   input screens mutate `RuntimePlayerSettings` in memory and queue typed Verse
-  commits through shared player-settings commit primitives; the in-memory
-  projection is not portable state authority. Aetheria has its own remapping UI
-  that calls Unity's InputSystem at the binding/action layer; Unity's generated
+  commits through shared player-settings commit primitives. Gameplay and
+  graphics settings now return through the same main-menu commit primitive; the
+  in-memory projection is not portable state authority. Aetheria has its own
+  remapping UI that calls Unity's InputSystem at the binding/action layer;
+  Unity's generated
   `AetheriaInput` class is the edge consumer of typed binding overrides, not
   the durable owner. Binding drag/drop and action-bar remapping both route
   through named runtime input commit methods instead of writing the input
@@ -1549,6 +1551,9 @@ First Aetheria surfaces to publish:
    - Done: route input-screen binding/action-bar edits through named typed
      player-settings commit methods on the Unity runtime boundary, so the UI is
      no longer a direct writer of input binding or action-bar collections.
+   - Done: route main-menu graphics settings returns through the same typed
+     player-settings commit primitive as gameplay settings, so graphics edits
+     no longer survive only as session-local `RuntimePlayerSettings`.
    - Remaining: delete or quarantine old cache abstractions that no longer
      protect an invariant once catalog migration has a typed reader.