diff --git a/SVSim.BattleEngine/Shim/Generated/_IfaceImpl.g.cs b/SVSim.BattleEngine/Shim/Generated/_IfaceImpl.g.cs
index dfb9c27..5386bb8 100644
--- a/SVSim.BattleEngine/Shim/Generated/_IfaceImpl.g.cs
+++ b/SVSim.BattleEngine/Shim/Generated/_IfaceImpl.g.cs
@@ -1,4 +1,6 @@
 // AUTO-GENERATED (m1_iface_impl) — explicit no-op interface impls layered onto hierarchy bases.
+// CONTAINS HAND-EDITS. Before any regen, grep this file for "HEADLESS-FIX" and re-apply those blocks;
+// a plain regen will clobber them.
 
 namespace Wizard.Battle.View {
     using System;
@@ -280,7 +282,7 @@ namespace Wizard.Battle.View {
         Vector3 global::Wizard.Battle.View.IBattlePlayerView.GetBPLabelPosition() => default!;
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.CreateBeforeFusionVfx(BattleCardBase fusionCard, List<BattleCardBase> ingredientCards) => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.ReturnActCardAfterFusion(IBattleCardView fusionCardView, bool isFusionMetamorphose = false) => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
-        SideLogControl global::Wizard.Battle.View.IBattlePlayerView.GetSideLogControl(bool isSkillTargetSelect) => new SideLogControl(); // HEADLESS-FIX
+        SideLogControl global::Wizard.Battle.View.IBattlePlayerView.GetSideLogControl(bool isSkillTargetSelect) => new SideLogControl(); // HEADLESS-FIX (M13): generator emitted default! (null); the emit path calls GetSideLogControl and enumerates the result.
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.SetIsNowTurnEnd(bool flg) => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.RecoveryInPlayCards() => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.RecoveryClassAndInPlayCardAttachSkillEffect() => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
@@ -387,7 +389,7 @@ namespace Wizard.Battle.View {
         Vector3 global::Wizard.Battle.View.IBattlePlayerView.GetBPLabelPosition() => default!;
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.CreateBeforeFusionVfx(BattleCardBase fusionCard, List<BattleCardBase> ingredientCards) => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.ReturnActCardAfterFusion(IBattleCardView fusionCardView, bool isFusionMetamorphose = false) => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
-        SideLogControl global::Wizard.Battle.View.IBattlePlayerView.GetSideLogControl(bool isSkillTargetSelect) => new SideLogControl(); // HEADLESS-FIX
+        SideLogControl global::Wizard.Battle.View.IBattlePlayerView.GetSideLogControl(bool isSkillTargetSelect) => new SideLogControl(); // HEADLESS-FIX (M13): generator emitted default! (null); the emit path calls GetSideLogControl and enumerates the result.
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.SetIsNowTurnEnd(bool flg) => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.RecoveryInPlayCards() => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
         VfxBase global::Wizard.Battle.View.IBattlePlayerView.RecoveryClassAndInPlayCardAttachSkillEffect() => global::Wizard.Battle.View.Vfx.NullVfx.GetInstance();
diff --git a/SVSim.BattleEngine/Shim/View/HeadlessHandViewStub.cs b/SVSim.BattleEngine/Shim/View/HeadlessHandViewStub.cs
index 66b177e..c85bc1a 100644
--- a/SVSim.BattleEngine/Shim/View/HeadlessHandViewStub.cs
+++ b/SVSim.BattleEngine/Shim/View/HeadlessHandViewStub.cs
@@ -12,7 +12,7 @@ using UnityEngine;
 
 namespace Wizard.Battle.View
 {
-    public sealed class HeadlessHandViewStub : HandViewBase
+    internal sealed class HeadlessHandViewStub : HandViewBase
     {
         // Shared instance the generated IBattlePlayerView.HandView getters return headless.
         public static readonly HeadlessHandViewStub Instance = new HeadlessHandViewStub();
diff --git a/SVSim.BattleEngine/Shim/View/HeadlessPlayQueueViewStub.cs b/SVSim.BattleEngine/Shim/View/HeadlessPlayQueueViewStub.cs
index 49279dc..5244bab 100644
--- a/SVSim.BattleEngine/Shim/View/HeadlessPlayQueueViewStub.cs
+++ b/SVSim.BattleEngine/Shim/View/HeadlessPlayQueueViewStub.cs
@@ -16,7 +16,7 @@ using Wizard.Battle.View.Vfx;
 
 namespace Wizard.Battle.View
 {
-    public sealed class HeadlessPlayQueueViewStub : PlayQueueViewBase
+    internal sealed class HeadlessPlayQueueViewStub : PlayQueueViewBase
     {
         // Shared instance the generated IBattlePlayerView.PlayQueueView getters return headless.
         public static readonly HeadlessPlayQueueViewStub Instance = new HeadlessPlayQueueViewStub();
diff --git a/SVSim.BattleNode/Sessions/Engine/SessionBattleEngine.cs b/SVSim.BattleNode/Sessions/Engine/SessionBattleEngine.cs
index 2bd82de..fa07d06 100644
--- a/SVSim.BattleNode/Sessions/Engine/SessionBattleEngine.cs
+++ b/SVSim.BattleNode/Sessions/Engine/SessionBattleEngine.cs
@@ -277,7 +277,7 @@ internal sealed class SessionBattleEngine
     // (it isn't a Component, so WireComponentFields skips it). Node seed (allowed) — pure no-op view leaves.
     private static void SeedMulliganInfoControl(GameObject prefab)
     {
-        var ctrl = prefab.GetComponent<MulliganInfoControl>();
+        var ctrl = prefab.GetComponent<MulliganInfoControl>(); // Shim GameObject.GetComponent<T>() lazily materialises a no-op component — not a real Unity scene; this is intentional and will not NRE.
         var partsType = typeof(MulliganInfoControl)
             .GetNestedType("MulliganParts", BindingFlags.NonPublic)
             ?? throw new InvalidOperationException("MulliganInfoControl.MulliganParts nested type not found");