diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 67f3b2e6..b55a07ed 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -5,7 +5,8 @@
       "Bash(powershell -Command:*)",
       "Bash(mkdir:*)",
       "Bash(cat:*)",
-      "Bash(move:*)"
+      "Bash(move:*)",
+      "Bash(find:*)"
     ],
     "deny": [],
     "ask": []
diff --git a/Assets/Resources/Fonts/Pretendard/Pretendard-Regular SDF.asset b/Assets/Resources/Fonts/Pretendard/Pretendard-Regular SDF.asset
index 38eef7be..5d8c280b 100644
--- a/Assets/Resources/Fonts/Pretendard/Pretendard-Regular SDF.asset	
+++ b/Assets/Resources/Fonts/Pretendard/Pretendard-Regular SDF.asset	
@@ -12,9 +12,9 @@ Texture2D:
     Hash: 00000000000000000000000000000000
   m_IsAlphaChannelOptional: 0
   serializedVersion: 4
-  m_Width: 1
-  m_Height: 1
-  m_CompleteImageSize: 1
+  m_Width: 4096
+  m_Height: 4096
+  m_CompleteImageSize: 16777216
   m_MipsStripped: 0
   m_TextureFormat: 1
   m_MipCount: 1
@@ -39,8 +39,8 @@ Texture2D:
   m_LightmapFormat: 0
   m_ColorSpace: 0
   m_PlatformBlob: 
-  image data: 1
-  _typelessdata: 00
+  image data: 16777216
+  _typelessdata: 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-          mEnabled: 1
+          mEnabled: 0
           mName: Snap to Pick-Point
           mBindingDisplayText: Left MB
           mCommandType: 0
@@ -2816,7 +2907,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 1
             key: 0
-          mEnabled: 1
+          mEnabled: 0
           mName: Snap to Pick-Point Extents
           mBindingDisplayText: Right MB
           mCommandType: 0
@@ -2940,7 +3031,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 40
-          mEnabled: 1
+          mEnabled: 0
           mName: Undo
           mBindingDisplayText: Control + Z
           mCommandType: 0
@@ -2970,7 +3061,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 39
-          mEnabled: 1
+          mEnabled: 0
           mName: Redo
           mBindingDisplayText: Control + Y
           mCommandType: 0
@@ -3123,10 +3214,10 @@ MonoBehaviour:
             leftMB: 0
             middleMB: 0
             rightMB: 0
-            key: 24
+            key: 15
           mEnabled: 1
           mName: Fly Left
-          mBindingDisplayText: J
+          mBindingDisplayText: A
           mCommandType: 1
           mStrictModifierCheck: 1
           mCommand:
@@ -3153,10 +3244,10 @@ MonoBehaviour:
             leftMB: 0
             middleMB: 0
             rightMB: 0
-            key: 26
+            key: 18
           mEnabled: 1
           mName: Fly Right
-          mBindingDisplayText: L
+          mBindingDisplayText: D
           mCommandType: 1
           mStrictModifierCheck: 1
           mCommand:
@@ -3183,10 +3274,10 @@ MonoBehaviour:
             leftMB: 0
             middleMB: 0
             rightMB: 0
-            key: 25
+            key: 31
           mEnabled: 1
           mName: Fly Down
-          mBindingDisplayText: K
+          mBindingDisplayText: Q
           mCommandType: 1
           mStrictModifierCheck: 1
           mCommand:
@@ -3213,10 +3304,10 @@ MonoBehaviour:
             leftMB: 0
             middleMB: 0
             rightMB: 0
-            key: 23
+            key: 19
           mEnabled: 1
           mName: Fly Up
-          mBindingDisplayText: I
+          mBindingDisplayText: E
           mCommandType: 1
           mStrictModifierCheck: 1
           mCommand:
@@ -3243,10 +3334,10 @@ MonoBehaviour:
             leftMB: 0
             middleMB: 0
             rightMB: 0
-            key: 6
+            key: 33
           mEnabled: 1
           mName: Fly Backward
-          mBindingDisplayText: ;
+          mBindingDisplayText: S
           mCommandType: 1
           mStrictModifierCheck: 1
           mCommand:
@@ -3273,10 +3364,10 @@ MonoBehaviour:
             leftMB: 0
             middleMB: 0
             rightMB: 0
-            key: 30
+            key: 37
           mEnabled: 1
           mName: Fly Forward
-          mBindingDisplayText: P
+          mBindingDisplayText: W
           mCommandType: 1
           mStrictModifierCheck: 1
           mCommand:
@@ -3306,7 +3397,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 11
-          mEnabled: 1
+          mEnabled: 0
           mName: Step Move Down
           mBindingDisplayText: '['
           mCommandType: 0
@@ -3336,7 +3427,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 12
-          mEnabled: 1
+          mEnabled: 0
           mName: Step Move Up
           mBindingDisplayText: ']'
           mCommandType: 0
@@ -3366,7 +3457,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 21
-          mEnabled: 1
+          mEnabled: 0
           mName: Action Mode
           mBindingDisplayText: G
           mCommandType: 1
@@ -3396,7 +3487,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 0
-          mEnabled: 1
+          mEnabled: 0
           mName: Snap to Pick-Point
           mBindingDisplayText: Left MB
           mCommandType: 0
@@ -3426,7 +3517,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 1
             key: 0
-          mEnabled: 1
+          mEnabled: 0
           mName: Snap to Pick-Point Extents
           mBindingDisplayText: Right MB
           mCommandType: 0
@@ -3550,7 +3641,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 40
-          mEnabled: 1
+          mEnabled: 0
           mName: Undo
           mBindingDisplayText: Control + Shift + Z
           mCommandType: 0
@@ -3580,7 +3671,7 @@ MonoBehaviour:
             middleMB: 0
             rightMB: 0
             key: 39
-          mEnabled: 1
+          mEnabled: 0
           mName: Redo
           mBindingDisplayText: Control + Shift + Y
           mCommandType: 0
@@ -3590,617 +3681,7 @@ MonoBehaviour:
           mContext:
             rid: 1761719536581345648
           mConflicts: []
-    - mName: Runtime
-      mShortcutCategories:
-      - mName: Camera
-        mShortcuts:
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-            command: 0
-            shift: 0
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-          mBindingDisplayText: Middle MB
-          mCommandType: 1
-          mStrictModifierCheck: 1
-          mCommand:
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-          mContext:
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-          mConflicts: []
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-          mBindingDisplayText: Alt + Left MB
-          mCommandType: 1
-          mStrictModifierCheck: 1
-          mCommand:
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-          mCommand:
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-          mContext:
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-    mActiveProfileIndex: 2
+    mActiveProfileIndex: 0
   references:
     version: 2
     RefIds:
@@ -5604,706 +5085,6 @@ MonoBehaviour:
     - rid: 1761719536581345649
       type: {class: Command_Redo, ns: RTGLite, asm: Assembly-CSharp}
       data: 
-    - rid: 4274479427360391386
-      type: {class: ShortcutCategory, ns: RTGLite, asm: Assembly-CSharp}
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-      type: {class: Command_Camera_FlyLeft, ns: RTGLite, asm: Assembly-CSharp}
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-      type: {class: Context_Camera_FlyMode, ns: RTGLite, asm: Assembly-CSharp}
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-      data:
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-    - rid: 4274479427360391406
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-    - rid: 4274479427360391407
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 --- !u!114 &1530095533 stripped
 MonoBehaviour:
   m_CorrespondingSourceObject: {fileID: -5269853908805418363, guid: 43766caa723360d4c97983845e6749fe, type: 3}
@@ -7108,6 +5889,8 @@ SceneRoots:
   - {fileID: 762429839}
   - {fileID: 997613293}
   - {fileID: 2056305547}
+  - {fileID: 416903921}
+  - {fileID: 1289008003}
   - {fileID: 1164419792}
   - {fileID: 2030316712}
   - {fileID: 483439351}
diff --git a/Assets/Scripts/Studio/Command/EditCreatePlaneCommand.cs b/Assets/Scripts/Studio/Command/EditCreatePlaneCommand.cs
index 559a498c..6756e583 100644
--- a/Assets/Scripts/Studio/Command/EditCreatePlaneCommand.cs
+++ b/Assets/Scripts/Studio/Command/EditCreatePlaneCommand.cs
@@ -1,17 +1,88 @@
 #nullable enable
 using UnityEngine;
 using UVC.UI.Commands;
+using UVC.Studio.Manager;
+using UVC.Studio.Config;
 
 namespace UVC.Studio.Command
 {
     /// <summary>
-    /// 평면 생성 커맨드
+    /// 평면 생성 커맨드 (Undo/Redo 지원)
     /// </summary>
-    public class EditCreatePlaneCommand : ICommand
+    public class EditCreatePlaneCommand : IUndoableCommand
     {
+        public string Description => "평면 생성";
+
+        private readonly StageObjectManager _stageObjectManager;
+
+        // Undo용 상태 저장
+        private string? _createdStageObjectId;
+        private GameObject? _createdPlane;
+        private Vector3 _position;
+        private Vector3 _scale;
+
+        public EditCreatePlaneCommand(StageObjectManager stageObjectManager)
+        {
+            _stageObjectManager = stageObjectManager;
+        }
+
         public void Execute(object? parameter = null)
         {
-            Debug.Log("[EditCreatePlaneCommand] 평면 생성 실행");
+            // 평면 생성
+            _createdPlane = GameObject.CreatePrimitive(PrimitiveType.Plane);
+            _createdPlane.name = "Plane";
+
+            // 기본 위치 설정
+            _position = Vector3.zero;
+            _scale = Vector3.one;
+            _createdPlane.transform.position = _position;
+            _createdPlane.transform.localScale = _scale;
+
+            // Plane용 Equipment 생성 (기본 프리미티브)
+            var planeEquipment = new EquipmentItem
+            {
+                id = "primitive_plane",
+                label = "Plane"
+            };
+
+            // StageObjectManager에 등록
+            var stageObject = _stageObjectManager.Register(planeEquipment, _createdPlane);
+            _createdStageObjectId = stageObject.Id;
+
+            Debug.Log($"[EditCreatePlaneCommand] 평면 생성됨: {_createdStageObjectId}");
         }
+
+        public void Undo(object? parameter = null)
+        {
+            if (_createdStageObjectId != null)
+            {
+                _stageObjectManager.Unregister(_createdStageObjectId);
+                _createdPlane = null;
+                Debug.Log($"[EditCreatePlaneCommand] Undo: 평면 삭제됨");
+            }
+        }
+
+        public void Redo()
+        {
+            // 평면 다시 생성
+            _createdPlane = GameObject.CreatePrimitive(PrimitiveType.Plane);
+            _createdPlane.name = "Plane";
+            _createdPlane.transform.position = _position;
+            _createdPlane.transform.localScale = _scale;
+
+            var planeEquipment = new EquipmentItem
+            {
+                id = "primitive_plane",
+                label = "Plane"
+            };
+
+            var stageObject = _stageObjectManager.Register(planeEquipment, _createdPlane);
+            _createdStageObjectId = stageObject.Id;
+
+            Debug.Log($"[EditCreatePlaneCommand] Redo: 평면 다시 생성됨: {_createdStageObjectId}");
+        }
+
+        public bool CanMerge(IUndoableCommand other) => false;
+        public void Merge(IUndoableCommand other) { }
     }
 }
diff --git a/Assets/Scripts/Studio/Command/EditDeleteCommand.cs b/Assets/Scripts/Studio/Command/EditDeleteCommand.cs
index f373ea25..10f4ef28 100644
--- a/Assets/Scripts/Studio/Command/EditDeleteCommand.cs
+++ b/Assets/Scripts/Studio/Command/EditDeleteCommand.cs
@@ -1,17 +1,145 @@
 #nullable enable
+using System.Collections.Generic;
 using UnityEngine;
 using UVC.UI.Commands;
+using UVC.Studio.Manager;
+using UVC.Studio.Config;
 
 namespace UVC.Studio.Command
 {
     /// <summary>
-    /// 삭제 커맨드
+    /// 삭제 커맨드 (Undo/Redo 지원)
     /// </summary>
-    public class EditDeleteCommand : ICommand
+    public class EditDeleteCommand : IUndoableCommand
     {
+        public string Description => "객체 삭제";
+
+        private readonly SelectionManager _selectionManager;
+        private readonly StageObjectManager _stageObjectManager;
+
+        // Undo용 상태 저장
+        private readonly List<DeletedObjectData> _deletedObjects = new();
+
+        /// <summary>
+        /// 삭제된 객체 데이터
+        /// </summary>
+        private class DeletedObjectData
+        {
+            public string OriginalId { get; set; } = string.Empty;
+            public string ObjectName { get; set; } = string.Empty;
+            public EquipmentItem? Equipment { get; set; }
+            public Vector3 Position { get; set; }
+            public Quaternion Rotation { get; set; }
+            public Vector3 Scale { get; set; }
+            public GameObject? RestoredGameObject { get; set; }
+            public string? RestoredStageObjectId { get; set; }
+        }
+
+        public EditDeleteCommand(SelectionManager selectionManager, StageObjectManager stageObjectManager)
+        {
+            _selectionManager = selectionManager;
+            _stageObjectManager = stageObjectManager;
+        }
+
         public void Execute(object? parameter = null)
         {
-            Debug.Log("[EditDeleteCommand] 삭제 실행");
+            _deletedObjects.Clear();
+
+            var selectedObjects = new List<StageObjectManager.StageObject>(_selectionManager.SelectedObjects);
+            if (selectedObjects.Count == 0)
+            {
+                Debug.Log("[EditDeleteCommand] 선택된 객체가 없습니다.");
+                return;
+            }
+
+            // 먼저 선택 해제
+            _selectionManager.DeselectAll();
+
+            foreach (var stageObject in selectedObjects)
+            {
+                if (stageObject.GameObject == null) continue;
+
+                // Undo용 데이터 저장
+                _deletedObjects.Add(new DeletedObjectData
+                {
+                    OriginalId = stageObject.Id,
+                    ObjectName = stageObject.GameObject.name,
+                    Equipment = stageObject.Equipment,
+                    Position = stageObject.GameObject.transform.position,
+                    Rotation = stageObject.GameObject.transform.rotation,
+                    Scale = stageObject.GameObject.transform.localScale
+                });
+
+                // 객체 제거 (Unregister가 Destroy도 수행)
+                _stageObjectManager.Unregister(stageObject.Id);
+            }
+
+            Debug.Log($"[EditDeleteCommand] {_deletedObjects.Count}개 객체 삭제됨");
         }
+
+        public void Undo(object? parameter = null)
+        {
+            // 삭제된 객체들 복원
+            foreach (var data in _deletedObjects)
+            {
+                if (data.Equipment == null) continue;
+
+                // 동일 Equipment를 가진 다른 객체를 템플릿으로 사용
+                GameObject? templateObject = null;
+                foreach (var kvp in _stageObjectManager.Objects)
+                {
+                    if (kvp.Value.Equipment?.id == data.Equipment.id && kvp.Value.GameObject != null)
+                    {
+                        templateObject = kvp.Value.GameObject;
+                        break;
+                    }
+                }
+
+                GameObject newObject;
+                if (templateObject != null)
+                {
+                    // 템플릿이 있으면 복제
+                    newObject = Object.Instantiate(templateObject);
+                }
+                else
+                {
+                    // 템플릿이 없으면 기본 Cube로 대체 (실제로는 Equipment.gltf 로딩 필요)
+                    newObject = GameObject.CreatePrimitive(PrimitiveType.Cube);
+                    Debug.LogWarning($"[EditDeleteCommand] 템플릿 객체를 찾을 수 없어 Cube로 대체: {data.ObjectName}");
+                }
+
+                // Transform 복원
+                newObject.transform.position = data.Position;
+                newObject.transform.rotation = data.Rotation;
+                newObject.transform.localScale = data.Scale;
+                newObject.name = data.ObjectName;
+
+                // StageObjectManager에 등록
+                var restoredStageObject = _stageObjectManager.Register(data.Equipment, newObject);
+                data.RestoredGameObject = newObject;
+                data.RestoredStageObjectId = restoredStageObject.Id;
+            }
+
+            Debug.Log($"[EditDeleteCommand] Undo: {_deletedObjects.Count}개 객체 복원됨");
+        }
+
+        public void Redo()
+        {
+            // 복원된 객체들 다시 삭제
+            foreach (var data in _deletedObjects)
+            {
+                if (data.RestoredStageObjectId != null)
+                {
+                    _stageObjectManager.Unregister(data.RestoredStageObjectId);
+                    data.RestoredGameObject = null;
+                    data.RestoredStageObjectId = null;
+                }
+            }
+
+            Debug.Log($"[EditDeleteCommand] Redo: {_deletedObjects.Count}개 객체 다시 삭제됨");
+        }
+
+        public bool CanMerge(IUndoableCommand other) => false;
+        public void Merge(IUndoableCommand other) { }
     }
 }
diff --git a/Assets/Scripts/Studio/Command/EditDuplicateCommand.cs b/Assets/Scripts/Studio/Command/EditDuplicateCommand.cs
index 2a390fea..0f38b9b2 100644
--- a/Assets/Scripts/Studio/Command/EditDuplicateCommand.cs
+++ b/Assets/Scripts/Studio/Command/EditDuplicateCommand.cs
@@ -1,17 +1,196 @@
 #nullable enable
+using System.Collections.Generic;
 using UnityEngine;
 using UVC.UI.Commands;
+using UVC.Studio.Manager;
+using UVC.Studio.Config;
 
 namespace UVC.Studio.Command
 {
     /// <summary>
-    /// 복제 커맨드
+    /// 복제 커맨드 (Undo/Redo 지원)
+    /// TransformChangeCommand가 StageObjectId로 Transform을 복원하므로
+    /// 이 커맨드는 객체 생성/삭제만 담당합니다.
     /// </summary>
-    public class EditDuplicateCommand : ICommand
+    public class EditDuplicateCommand : IUndoableCommand
     {
+        public string Description => "객체 복제";
+
+        private readonly SelectionManager _selectionManager;
+        private readonly StageObjectManager _stageObjectManager;
+
+        // Undo용 상태 저장
+        private readonly List<DuplicatedObjectData> _duplicatedObjects = new();
+
+        /// <summary>
+        /// 복제된 객체 데이터
+        /// </summary>
+        private class DuplicatedObjectData
+        {
+            public string StageObjectId { get; set; } = string.Empty;
+            public GameObject? GameObject { get; set; }
+            public EquipmentItem? Equipment { get; set; }
+            public Vector3 InitialPosition { get; set; }
+            public Quaternion InitialRotation { get; set; }
+            public Vector3 InitialScale { get; set; }
+        }
+
+        public EditDuplicateCommand(SelectionManager selectionManager, StageObjectManager stageObjectManager)
+        {
+            _selectionManager = selectionManager;
+            _stageObjectManager = stageObjectManager;
+        }
+
         public void Execute(object? parameter = null)
         {
-            Debug.Log("[EditDuplicateCommand] 복제 실행");
+            _duplicatedObjects.Clear();
+
+            var selectedObjects = new List<StageObjectManager.StageObject>(_selectionManager.SelectedObjects);
+            if (selectedObjects.Count == 0)
+            {
+                Debug.Log("[EditDuplicateCommand] 선택된 객체가 없습니다.");
+                return;
+            }
+
+            // 복제된 StageObject 목록 (선택 상태 변경용)
+            var duplicatedStageObjects = new List<StageObjectManager.StageObject>();
+
+            foreach (var stageObject in selectedObjects)
+            {
+                if (stageObject.GameObject == null) continue;
+
+                // GameObject 복제
+                var clone = Object.Instantiate(stageObject.GameObject);
+
+                // Stage를 부모로 설정
+                var studioMain = StudioSceneMain.Instance;
+                if (studioMain != null && studioMain.Stage != null)
+                {
+                    clone.transform.SetParent(studioMain.Stage.transform);
+                }
+
+                // Layer 설정
+                clone.layer = LayerMask.NameToLayer("Model");
+
+                clone.transform.position += new Vector3(1f, 0f, 1f); // 약간 이동
+
+                // StageObjectManager에 등록
+                var newStageObject = _stageObjectManager.Register(stageObject.Equipment, clone);
+                duplicatedStageObjects.Add(newStageObject);
+
+                // Undo용 데이터 저장
+                var data = new DuplicatedObjectData
+                {
+                    StageObjectId = newStageObject.Id,
+                    GameObject = clone,
+                    Equipment = stageObject.Equipment,
+                    InitialPosition = clone.transform.localPosition,
+                    InitialRotation = clone.transform.localRotation,
+                    InitialScale = clone.transform.localScale
+                };
+
+                _duplicatedObjects.Add(data);
+            }
+
+            // 원본 선택 해제 후 복제된 객체들 선택
+            if (duplicatedStageObjects.Count > 0)
+            {
+                _selectionManager.DeselectAll();
+                foreach (var stageObject in duplicatedStageObjects)
+                {
+                    _selectionManager.Select(stageObject, addToSelection: true);
+                }
+            }
+
+            Debug.Log($"[EditDuplicateCommand] {_duplicatedObjects.Count}개 객체 복제됨 (선택 전환됨)");
         }
+
+        public void Undo(object? parameter = null)
+        {
+            // SelectionManager에서 삭제할 객체들 선택 해제
+            foreach (var data in _duplicatedObjects)
+            {
+                var stageObject = _stageObjectManager.GetById(data.StageObjectId);
+                if (stageObject != null)
+                {
+                    _selectionManager.Deselect(stageObject);
+                }
+            }
+
+            // 복제된 객체들 제거
+            foreach (var data in _duplicatedObjects)
+            {
+                _stageObjectManager.Unregister(data.StageObjectId);
+                data.GameObject = null;
+            }
+
+            Debug.Log($"[EditDuplicateCommand] Undo: {_duplicatedObjects.Count}개 객체 복제 취소됨");
+        }
+
+        public void Redo()
+        {
+            // 재생성된 StageObject 목록 (선택 상태 복원용)
+            var recreatedStageObjects = new List<StageObjectManager.StageObject>();
+
+            foreach (var data in _duplicatedObjects)
+            {
+                if (data.Equipment == null) continue;
+
+                // 원본 객체 찾기 (동일 Equipment를 가진 객체)
+                GameObject? templateObject = null;
+                foreach (var kvp in _stageObjectManager.Objects)
+                {
+                    if (kvp.Value.Equipment != null &&
+                        kvp.Value.Equipment.id == data.Equipment.id &&
+                        kvp.Value.GameObject != null)
+                    {
+                        templateObject = kvp.Value.GameObject;
+                        break;
+                    }
+                }
+
+                if (templateObject == null) continue;
+
+                // 다시 복제
+                var clone = Object.Instantiate(templateObject);
+
+                // Stage를 부모로 설정
+                var studioMain = StudioSceneMain.Instance;
+                if (studioMain != null && studioMain.Stage != null)
+                {
+                    clone.transform.SetParent(studioMain.Stage.transform);
+                }
+
+                // Layer 설정
+                clone.layer = LayerMask.NameToLayer("Model");
+
+                // 동일한 ID로 재등록 (TransformChangeCommand가 ID로 찾을 수 있도록)
+                var newStageObject = _stageObjectManager.RegisterWithId(data.StageObjectId, data.Equipment, clone);
+                recreatedStageObjects.Add(newStageObject);
+
+                // GameObject 참조 업데이트
+                data.GameObject = clone;
+
+                // 초기 Transform 상태 적용
+                clone.transform.localPosition = data.InitialPosition;
+                clone.transform.localRotation = data.InitialRotation;
+                clone.transform.localScale = data.InitialScale;
+            }
+
+            // SelectionManager에 재생성된 객체들 선택
+            if (recreatedStageObjects.Count > 0)
+            {
+                _selectionManager.DeselectAll();
+                foreach (var stageObject in recreatedStageObjects)
+                {
+                    _selectionManager.Select(stageObject, addToSelection: true);
+                }
+            }
+
+            Debug.Log($"[EditDuplicateCommand] Redo: {_duplicatedObjects.Count}개 객체 복제 재실행됨");
+        }
+
+        public bool CanMerge(IUndoableCommand other) => false;
+        public void Merge(IUndoableCommand other) { }
     }
 }
diff --git a/Assets/Scripts/Studio/Command/EditRedoCommand.cs b/Assets/Scripts/Studio/Command/EditRedoCommand.cs
index 419461b4..5e48dbc0 100644
--- a/Assets/Scripts/Studio/Command/EditRedoCommand.cs
+++ b/Assets/Scripts/Studio/Command/EditRedoCommand.cs
@@ -1,17 +1,18 @@
 #nullable enable
-using UnityEngine;
 using UVC.UI.Commands;
+using UVC.Studio.Manager;
 
 namespace UVC.Studio.Command
 {
     /// <summary>
     /// 다시 실행(Redo) 커맨드
+    /// UndoRedoManager의 Redo 기능 호출
     /// </summary>
     public class EditRedoCommand : ICommand
     {
         public void Execute(object? parameter = null)
         {
-            Debug.Log("[EditRedoCommand] 다시 실행 실행");
+            UndoRedoManager.Instance.Redo();
         }
     }
 }
diff --git a/Assets/Scripts/Studio/Command/EditUndoCommand.cs b/Assets/Scripts/Studio/Command/EditUndoCommand.cs
index 274e96b4..7802bd27 100644
--- a/Assets/Scripts/Studio/Command/EditUndoCommand.cs
+++ b/Assets/Scripts/Studio/Command/EditUndoCommand.cs
@@ -1,17 +1,18 @@
 #nullable enable
-using UnityEngine;
 using UVC.UI.Commands;
+using UVC.Studio.Manager;
 
 namespace UVC.Studio.Command
 {
     /// <summary>
     /// 되돌리기(Undo) 커맨드
+    /// UndoRedoManager의 Undo 기능 호출
     /// </summary>
     public class EditUndoCommand : ICommand
     {
         public void Execute(object? parameter = null)
         {
-            Debug.Log("[EditUndoCommand] 되돌리기 실행");
+            UndoRedoManager.Instance.Undo();
         }
     }
 }
diff --git a/Assets/Scripts/Studio/Command/PropertyChangeCommand.cs b/Assets/Scripts/Studio/Command/PropertyChangeCommand.cs
new file mode 100644
index 00000000..999345b1
--- /dev/null
+++ b/Assets/Scripts/Studio/Command/PropertyChangeCommand.cs
@@ -0,0 +1,159 @@
+#nullable enable
+using System;
+using UnityEngine;
+using UVC.UI.Commands;
+using UVC.UI.Window.PropertyWindow;
+
+namespace UVC.Studio.Command
+{
+    /// <summary>
+    /// PropertyWindow에서 속성 변경 시 사용하는 커맨드 (Undo/Redo 지원)
+    /// </summary>
+    public class PropertyChangeCommand : IUndoableCommand
+    {
+        public string Description { get; }
+
+        private readonly string _propertyId;
+        private readonly object? _oldValue;
+        private readonly object? _newValue;
+        private readonly Action<string, object?>? _applyValueAction;
+
+        /// <summary>
+        /// 생성자
+        /// </summary>
+        /// <param name="propertyId">속성 ID</param>
+        /// <param name="propertyName">속성 이름 (표시용)</param>
+        /// <param name="oldValue">이전 값</param>
+        /// <param name="newValue">새 값</param>
+        /// <param name="applyValueAction">값 적용 함수 (propertyId, value) => void</param>
+        public PropertyChangeCommand(
+            string propertyId,
+            string propertyName,
+            object? oldValue,
+            object? newValue,
+            Action<string, object?>? applyValueAction = null)
+        {
+            _propertyId = propertyId;
+            _oldValue = oldValue;
+            _newValue = newValue;
+            _applyValueAction = applyValueAction;
+            Description = $"속성 변경: {propertyName}";
+        }
+
+        public void Execute(object? parameter = null)
+        {
+            // 이미 PropertyWindow에서 값이 변경되었으므로
+            // 여기서는 추가 작업 없음 (RecordCommand용)
+            Debug.Log($"[PropertyChangeCommand] Execute: {_propertyId} = {_newValue}");
+        }
+
+        public void Undo(object? parameter = null)
+        {
+            _applyValueAction?.Invoke(_propertyId, _oldValue);
+            Debug.Log($"[PropertyChangeCommand] Undo: {_propertyId} = {_oldValue}");
+        }
+
+        public void Redo()
+        {
+            _applyValueAction?.Invoke(_propertyId, _newValue);
+            Debug.Log($"[PropertyChangeCommand] Redo: {_propertyId} = {_newValue}");
+        }
+
+        public bool CanMerge(IUndoableCommand other)
+        {
+            // 같은 속성에 대한 연속 변경은 병합
+            return other is PropertyChangeCommand otherCmd &&
+                   otherCmd._propertyId == _propertyId;
+        }
+
+        public void Merge(IUndoableCommand other)
+        {
+            // 이 Command의 oldValue는 유지하고
+            // newValue만 최신으로 업데이트
+            // (불변 객체이므로 실제로는 새 Command 생성 필요하지만
+            //  여기서는 병합 시 새 값만 참조)
+        }
+    }
+
+    /// <summary>
+    /// Transform 속성 변경 전용 커맨드
+    /// Position, Rotation, Scale 변경 시 사용
+    /// </summary>
+    public class TransformPropertyChangeCommand : IUndoableCommand
+    {
+        public string Description { get; }
+
+        private readonly Transform _transform;
+        private readonly string _propertyType; // "position", "rotation", "scale"
+        private readonly Vector3 _oldValue;
+        private readonly Vector3 _newValue;
+
+        public TransformPropertyChangeCommand(
+            Transform transform,
+            string propertyType,
+            Vector3 oldValue,
+            Vector3 newValue)
+        {
+            _transform = transform;
+            _propertyType = propertyType.ToLower();
+            _oldValue = oldValue;
+            _newValue = newValue;
+
+            Description = _propertyType switch
+            {
+                "position" => "위치 변경",
+                "rotation" => "회전 변경",
+                "scale" => "크기 변경",
+                _ => "Transform 변경"
+            };
+        }
+
+        public void Execute(object? parameter = null)
+        {
+            ApplyValue(_newValue);
+        }
+
+        public void Undo(object? parameter = null)
+        {
+            ApplyValue(_oldValue);
+            Debug.Log($"[TransformPropertyChangeCommand] Undo: {_propertyType} = {_oldValue}");
+        }
+
+        public void Redo()
+        {
+            ApplyValue(_newValue);
+            Debug.Log($"[TransformPropertyChangeCommand] Redo: {_propertyType} = {_newValue}");
+        }
+
+        private void ApplyValue(Vector3 value)
+        {
+            if (_transform == null) return;
+
+            switch (_propertyType)
+            {
+                case "position":
+                    _transform.localPosition = value;
+                    break;
+                case "rotation":
+                    _transform.localEulerAngles = value;
+                    break;
+                case "scale":
+                    _transform.localScale = value;
+                    break;
+            }
+        }
+
+        public bool CanMerge(IUndoableCommand other)
+        {
+            // 같은 Transform의 같은 속성 변경은 병합
+            return other is TransformPropertyChangeCommand otherCmd &&
+                   otherCmd._transform == _transform &&
+                   otherCmd._propertyType == _propertyType;
+        }
+
+        public void Merge(IUndoableCommand other)
+        {
+            // 불변 객체이므로 실제 병합은 StudioHistoryManager에서 처리
+        }
+    }
+}
diff --git a/Assets/Scripts/Studio/Command/PropertyChangeCommand.cs.meta b/Assets/Scripts/Studio/Command/PropertyChangeCommand.cs.meta
new file mode 100644
index 00000000..05c86f3c
--- /dev/null
+++ b/Assets/Scripts/Studio/Command/PropertyChangeCommand.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 64b86d3bb95d4cd41bd01c1710a58208
\ No newline at end of file
diff --git a/Assets/Scripts/Studio/Command/TransformChangeCommand.cs b/Assets/Scripts/Studio/Command/TransformChangeCommand.cs
new file mode 100644
index 00000000..67f27d58
--- /dev/null
+++ b/Assets/Scripts/Studio/Command/TransformChangeCommand.cs
@@ -0,0 +1,331 @@
+#nullable enable
+using System.Collections.Generic;
+using UnityEngine;
+using UVC.UI.Commands;
+using UVC.Studio.Manager;
+using UVC.Core;
+
+namespace UVC.Studio.Command
+{
+    /// <summary>
+    /// Transform 변경 커맨드 (Undo/Redo 지원)
+    /// RTGizmo 드래그 완료 시 사용
+    /// </summary>
+    public class TransformChangeCommand : IUndoableCommand
+    {
+        public string Description { get; }
+
+        /// <summary>
+        /// 단일 객체의 Transform 상태
+        /// </summary>
+        private class TransformState
+        {
+            public Transform Transform { get; set; } = null!;
+            public string? StageObjectId { get; set; }
+            public Vector3 LocalPosition { get; set; }
+            public Quaternion LocalRotation { get; set; }
+            public Vector3 LocalScale { get; set; }
+
+            public TransformState() { }
+
+            public TransformState(Transform transform)
+            {
+                Transform = transform;
+                CaptureStageObjectId();
+                Capture();
+            }
+
+            /// <summary>
+            /// StageObjectManager에서 StageObject ID를 캡처합니다.
+            /// </summary>
+            private void CaptureStageObjectId()
+            {
+                if (Transform == null) return;
+
+                var stageObjectManager = InjectorAppContext.Instance?.Get<StageObjectManager>();
+                if (stageObjectManager != null)
+                {
+                    var stageObject = stageObjectManager.GetByGameObject(Transform.gameObject);
+                    if (stageObject != null)
+                    {
+                        StageObjectId = stageObject.Id;
+                    }
+                }
+            }
+
+            /// <summary>
+            /// Transform이 유효한지 확인 (파괴되지 않았는지)
+            /// </summary>
+            public bool IsValid()
+            {
+                // Unity에서 파괴된 객체는 == null로 체크
+                // ReferenceEquals는 실제 null만 체크하므로 Unity 객체에는 부적합
+                return Transform != null;
+            }
+
+            /// <summary>
+            /// Transform이 null이면 StageObject ID로 복구를 시도합니다.
+            /// </summary>
+            /// <returns>복구 성공 여부</returns>
+            public bool TryResolveTransform()
+            {
+                if (IsValid()) return true;
+                if (string.IsNullOrEmpty(StageObjectId)) return false;
+
+                var stageObjectManager = InjectorAppContext.Instance?.Get<StageObjectManager>();
+                if (stageObjectManager == null) return false;
+
+                var stageObject = stageObjectManager.GetById(StageObjectId);
+                if (stageObject?.GameObject != null)
+                {
+                    Transform = stageObject.GameObject.transform;
+                    Debug.Log($"[TransformState] Transform resolved by StageObject ID: {StageObjectId}");
+                    return true;
+                }
+
+                return false;
+            }
+
+            public void Capture()
+            {
+                if (!IsValid()) return;
+                LocalPosition = Transform.localPosition;
+                LocalRotation = Transform.localRotation;
+                LocalScale = Transform.localScale;
+            }
+
+            public void Apply()
+            {
+                // Transform이 null이면 StageObject ID로 복구 시도
+                if (!IsValid())
+                {
+                    TryResolveTransform();
+                }
+
+                if (!IsValid()) return;
+                Transform.localPosition = LocalPosition;
+                Transform.localRotation = LocalRotation;
+                Transform.localScale = LocalScale;
+            }
+
+            public TransformState Clone()
+            {
+                return new TransformState
+                {
+                    Transform = Transform,
+                    StageObjectId = StageObjectId,
+                    LocalPosition = LocalPosition,
+                    LocalRotation = LocalRotation,
+                    LocalScale = LocalScale
+                };
+            }
+
+            public bool HasChanged(TransformState other)
+            {
+                return LocalPosition != other.LocalPosition ||
+                       LocalRotation != other.LocalRotation ||
+                       LocalScale != other.LocalScale;
+            }
+        }
+
+        /// <summary>
+        /// 이 커맨드가 유효한지 확인 (대상 Transform이 파괴되지 않았는지)
+        /// StageObject ID가 있으면 복구를 시도합니다.
+        /// </summary>
+        public bool IsValid()
+        {
+            // 모든 Transform이 유효해야 함 (복구 시도 포함)
+            foreach (var state in _beforeStates)
+            {
+                if (!state.IsValid() && !state.TryResolveTransform())
+                {
+                    return false;
+                }
+            }
+            return _beforeStates.Count > 0;
+        }
+
+        /// <summary>
+        /// Transform 복구를 시도하고 결과를 반환합니다.
+        /// </summary>
+        /// <returns>모든 Transform이 복구되었으면 true</returns>
+        public bool TryResolveAllTransforms()
+        {
+            bool allResolved = true;
+            foreach (var state in _beforeStates)
+            {
+                if (!state.IsValid() && !state.TryResolveTransform())
+                {
+                    allResolved = false;
+                }
+            }
+            foreach (var state in _afterStates)
+            {
+                if (!state.IsValid() && !state.TryResolveTransform())
+                {
+                    allResolved = false;
+                }
+            }
+            return allResolved;
+        }
+
+        /// <summary>
+        /// 지정된 Transform 중 하나라도 이 커맨드에 포함되어 있는지 확인합니다.
+        /// </summary>
+        /// <param name="transforms">확인할 Transform 집합</param>
+        /// <returns>포함 여부</returns>
+        public bool ContainsAnyTransform(HashSet<Transform> transforms)
+        {
+            foreach (var state in _beforeStates)
+            {
+                if (transforms.Contains(state.Transform))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        // 변경 전/후 상태 저장 (다중 객체 지원)
+        private readonly List<TransformState> _beforeStates = new();
+        private readonly List<TransformState> _afterStates = new();
+
+        /// <summary>
+        /// 단일 Transform에 대한 생성자
+        /// </summary>
+        /// <param name="transform">대상 Transform</param>
+        /// <param name="description">작업 설명</param>
+        public TransformChangeCommand(Transform transform, string description = "객체 이동")
+        {
+            Description = description;
+            _beforeStates.Add(new TransformState(transform));
+        }
+
+        /// <summary>
+        /// 다중 Transform에 대한 생성자
+        /// </summary>
+        /// <param name="transforms">대상 Transform 목록</param>
+        /// <param name="description">작업 설명</param>
+        public TransformChangeCommand(IEnumerable<Transform> transforms, string description = "객체 이동")
+        {
+            Description = description;
+            foreach (var transform in transforms)
+            {
+                _beforeStates.Add(new TransformState(transform));
+            }
+        }
+
+        /// <summary>
+        /// GameObject 목록에 대한 생성자
+        /// </summary>
+        /// <param name="gameObjects">대상 GameObject 목록</param>
+        /// <param name="description">작업 설명</param>
+        public TransformChangeCommand(IEnumerable<GameObject> gameObjects, string description = "객체 이동")
+        {
+            Description = description;
+            foreach (var go in gameObjects)
+            {
+                if (go != null)
+                {
+                    _beforeStates.Add(new TransformState(go.transform));
+                }
+            }
+        }
+
+        /// <summary>
+        /// 드래그 완료 후 현재 상태를 After로 캡처
+        /// </summary>
+        public void CaptureAfterState()
+        {
+            _afterStates.Clear();
+            foreach (var beforeState in _beforeStates)
+            {
+                var afterState = new TransformState
+                {
+                    Transform = beforeState.Transform,
+                    StageObjectId = beforeState.StageObjectId
+                };
+                afterState.Capture();
+                _afterStates.Add(afterState);
+            }
+        }
+
+        /// <summary>
+        /// 변경사항이 있는지 확인
+        /// </summary>
+        public bool HasChanges()
+        {
+            if (_beforeStates.Count != _afterStates.Count) return false;
+
+            for (int i = 0; i < _beforeStates.Count; i++)
+            {
+                if (_beforeStates[i].HasChanged(_afterStates[i]))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public void Execute(object? parameter = null)
+        {
+            // RTGizmo가 이미 Transform을 변경했으므로
+            // After 상태만 캡처
+            CaptureAfterState();
+        }
+
+        public void Undo(object? parameter = null)
+        {
+            int appliedCount = 0;
+            foreach (var state in _beforeStates)
+            {
+                if (state.IsValid())
+                {
+                    state.Apply();
+                    appliedCount++;
+                }
+            }
+            Debug.Log($"[TransformChangeCommand] Undo: {appliedCount}/{_beforeStates.Count}개 객체 Transform 복원");
+        }
+
+        public void Redo()
+        {
+            // Transform 복구 시도 (StageObject ID 기반)
+            TryResolveAllTransforms();
+
+            // 복구 후에도 유효하지 않으면 스킵
+            if (!IsValid())
+            {
+                Debug.LogWarning($"[TransformChangeCommand] Redo skipped: 대상 객체가 파괴됨");
+                return;
+            }
+
+            int appliedCount = 0;
+            foreach (var state in _afterStates)
+            {
+                state.Apply(); // Apply 내부에서 TryResolveTransform 호출
+                if (state.IsValid())
+                {
+                    appliedCount++;
+                }
+            }
+            Debug.Log($"[TransformChangeCommand] Redo: {appliedCount}/{_afterStates.Count}개 객체 Transform 재적용");
+        }
+
+        public bool CanMerge(IUndoableCommand other)
+        {
+            // 기즈모 조절 시 각 드래그 작업이 별도의 Undo 단계가 되도록 병합하지 않음
+            return false;
+        }
+
+        public void Merge(IUndoableCommand other)
+        {
+            if (other is TransformChangeCommand otherCmd)
+            {
+                // After 상태만 최신 값으로 업데이트
+                _afterStates.Clear();
+                _afterStates.AddRange(otherCmd._afterStates);
+            }
+        }
+    }
+}
diff --git a/Assets/Scripts/Studio/Command/TransformChangeCommand.cs.meta b/Assets/Scripts/Studio/Command/TransformChangeCommand.cs.meta
new file mode 100644
index 00000000..110cb6f1
--- /dev/null
+++ b/Assets/Scripts/Studio/Command/TransformChangeCommand.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e85a31559ac36c44aa7ee07c73795006
\ No newline at end of file
diff --git a/Assets/Scripts/Studio/Config/Setting.cs b/Assets/Scripts/Studio/Config/Setting.cs
index 2e359581..da99e685 100644
--- a/Assets/Scripts/Studio/Config/Setting.cs
+++ b/Assets/Scripts/Studio/Config/Setting.cs
@@ -48,9 +48,9 @@ namespace UVC.Studio.Config
     /// float snapPos = setting.Data.general.snapPosition;
     ///
     /// // 단축키 설정 접근
-    /// string moveKey = setting.Data.shortcuts.tools.move.key;      // "W"
+    /// string moveKey = setting.Data.shortcuts.tools.move.key;      // "2"
     /// string moveLabel = setting.Data.shortcuts.tools.move.label;  // "Move Tool"
-    /// string saveKey = setting.Data.shortcuts.menu.saveProject.key; // "Ctrl+S"
+    /// string saveDisplay = setting.Data.shortcuts.menu.saveProject.GetDisplayString(); // "Ctrl+Shift+S"
     ///
     /// // 설정 변경 후 비동기 저장
     /// setting.Data.general.gridSize = 2.0f;
@@ -112,7 +112,7 @@ namespace UVC.Studio.Config
     ///     {
     ///         // 설정 데이터 접근
     ///         float gridSize = _setting.Data.general.gridSize;
-    ///         string moveKey = _setting.Data.shortcuts.tools.move.key;
+    ///         string moveDisplay = _setting.Data.shortcuts.tools.move.GetDisplayString();
     ///
     ///         // 설정 변경 및 저장
     ///         _setting.Data.general.gridSize = 2.0f;
@@ -415,43 +415,43 @@ namespace UVC.Studio.Config
     public class MenuShortcuts
     {
         /// <summary>새 프로젝트 (File > New Project)</summary>
-        public ShortcutItem newProject = new("Ctrl+N", "File > New Project");
+        public ShortcutItem newProject = new("N", "File > New Project", ctrl: true, shift: true);
 
         /// <summary>프로젝트 열기 (File > Open Project)</summary>
-        public ShortcutItem openProject = new("Ctrl+O", "File > Open Project");
+        public ShortcutItem openProject = new("O", "File > Open Project", ctrl: true, shift: true);
 
         /// <summary>프로젝트 저장 (File > Save Project)</summary>
-        public ShortcutItem saveProject = new("Ctrl+S", "File > Save Project");
+        public ShortcutItem saveProject = new("S", "File > Save Project", ctrl: true, shift: true);
 
         /// <summary>다른 이름으로 저장 (File > Save As...)</summary>
-        public ShortcutItem saveAsProject = new("Ctrl+Shift+S", "File > Save As...");
+        public ShortcutItem saveAsProject = new("S", "File > Save As...", ctrl: true, shift: true, alt: true);
 
         /// <summary>데이터베이스 삽입 (File > Insert Database)</summary>
-        public ShortcutItem insertDb = new("Ctrl+I", "File > Insert Database");
+        public ShortcutItem insertDb = new("I", "File > Insert Database", ctrl: true, shift: true);
 
         /// <summary>레이아웃 내보내기 (File > Export > Layout)</summary>
-        public ShortcutItem exportLayout = new("Ctrl+L", "File > Export > Layout");
+        public ShortcutItem exportLayout = new("L", "File > Export > Layout", ctrl: true, shift: true);
 
         /// <summary>메타데이터 내보내기 (File > Export > Metadata)</summary>
-        public ShortcutItem exportMeta = new("Ctrl+M", "File > Export > Metadata");
+        public ShortcutItem exportMeta = new("M", "File > Export > Metadata", ctrl: true, shift: true);
 
         /// <summary>glTF 내보내기 (File > Export > glTF)</summary>
-        public ShortcutItem exportGltf = new("Ctrl+G", "File > Export > glTF");
+        public ShortcutItem exportGltf = new("G", "File > Export > glTF", ctrl: true, shift: true);
 
         /// <summary>실행 취소 (Edit > Undo)</summary>
-        public ShortcutItem undo = new("Ctrl+Z", "Edit > Undo");
+        public ShortcutItem undo = new("Z", "Edit > Undo", ctrl: true, shift: true);
 
         /// <summary>다시 실행 (Edit > Redo)</summary>
-        public ShortcutItem redo = new("Ctrl+Shift+Z", "Edit > Redo");
+        public ShortcutItem redo = new("Y", "Edit > Redo", ctrl: true, shift: true);
 
         /// <summary>복제 (Edit > Duplicate)</summary>
-        public ShortcutItem duplicate = new("Ctrl+D", "Edit > Duplicate");
+        public ShortcutItem duplicate = new("D", "Edit > Duplicate", ctrl: true, shift: true);
 
         /// <summary>삭제 (Edit > Delete)</summary>
-        public ShortcutItem delete = new("Delete", "Edit > Delete");
+        public ShortcutItem delete = new("DELETE", "Edit > Delete", shift: true);
 
         /// <summary>평면 생성 (Create > Plane)</summary>
-        public ShortcutItem createPlane = new("Ctrl+P", "Create > Plane");
+        public ShortcutItem createPlane = new("V", "Create > Plane", ctrl: true, shift: true);
     }
 
     /// <summary>
@@ -459,37 +459,36 @@ namespace UVC.Studio.Config
     /// </summary>
     /// <remarks>
     /// 에디터 도구 전환에 사용되는 단축키를 정의합니다.
-    /// Unity 에디터의 기본 단축키(Q, W, E, R)와 유사한 구조입니다.
     /// </remarks>
     [Serializable]
     public class ToolShortcuts
     {
         /// <summary>선택 도구</summary>
-        public ShortcutItem select = new("Q", "Select Tool");
+        public ShortcutItem select = new("1", "Select Tool");
 
         /// <summary>이동 도구</summary>
-        public ShortcutItem move = new("W", "Move Tool");
+        public ShortcutItem move = new("2", "Move Tool");
 
         /// <summary>회전 도구</summary>
-        public ShortcutItem rotate = new("E", "Rotate Tool");
+        public ShortcutItem rotate = new("3", "Rotate Tool");
 
         /// <summary>스케일 도구</summary>
-        public ShortcutItem scale = new("R", "Scale Tool");
+        public ShortcutItem scale = new("4", "Scale Tool");
 
         /// <summary>스냅 도구</summary>
-        public ShortcutItem snap = new("S", "Snap Tool");
+        public ShortcutItem snap = new("5", "Snap Tool");
 
         /// <summary>가이드 도구</summary>
-        public ShortcutItem guide = new("G", "Guide Tool");
+        public ShortcutItem guide = new("6", "Guide Tool");
 
         /// <summary>노드 도구</summary>
-        public ShortcutItem node = new("N", "Node Tool");
+        public ShortcutItem node = new("7", "Node Tool");
 
         /// <summary>링크 도구</summary>
-        public ShortcutItem link = new("L", "Link Tool");
+        public ShortcutItem link = new("8", "Link Tool");
 
         /// <summary>아크 도구</summary>
-        public ShortcutItem arc = new("A", "Arc Tool");
+        public ShortcutItem arc = new("9", "Arc Tool");
     }
 
     /// <summary>
@@ -499,13 +498,25 @@ namespace UVC.Studio.Config
     public class ShortcutItem
     {
         /// <summary>
-        /// 단축키 조합 문자열
+        /// 단축키 문자 (1글자, 예: "S", "N", "1")
         /// </summary>
-        /// <remarks>
-        /// 형식: "[Modifier+]Key" (예: "Ctrl+S", "Ctrl+Shift+Z", "Delete", "W")
-        /// </remarks>
         public string key;
 
+        /// <summary>
+        /// Ctrl 키 사용 여부
+        /// </summary>
+        public bool ctrl;
+
+        /// <summary>
+        /// Shift 키 사용 여부
+        /// </summary>
+        public bool shift;
+
+        /// <summary>
+        /// Alt 키 사용 여부
+        /// </summary>
+        public bool alt;
+
         /// <summary>
         /// 단축키 설명 레이블
         /// </summary>
@@ -520,12 +531,32 @@ namespace UVC.Studio.Config
         /// <summary>
         /// 단축키 항목 생성
         /// </summary>
-        /// <param name="key">단축키 조합 (예: "Ctrl+S")</param>
+        /// <param name="key">단축키 문자 (예: "S")</param>
         /// <param name="label">설명 레이블 (예: "File > Save Project")</param>
-        public ShortcutItem(string key, string label)
+        /// <param name="ctrl">Ctrl 키 사용 여부</param>
+        /// <param name="shift">Shift 키 사용 여부</param>
+        /// <param name="alt">Alt 키 사용 여부</param>
+        public ShortcutItem(string key, string label, bool ctrl = false, bool shift = false, bool alt = false)
         {
             this.key = key;
             this.label = label;
+            this.ctrl = ctrl;
+            this.shift = shift;
+            this.alt = alt;
+        }
+
+        /// <summary>
+        /// 단축키 조합 문자열을 반환합니다.
+        /// </summary>
+        /// <returns>표시용 단축키 문자열 (예: "Ctrl+Shift+S")</returns>
+        public string GetDisplayString()
+        {
+            var parts = new System.Collections.Generic.List<string>();
+            if (ctrl) parts.Add("Ctrl");
+            if (shift) parts.Add("Shift");
+            if (alt) parts.Add("Alt");
+            parts.Add(key);
+            return string.Join("+", parts);
         }
     }
 
diff --git a/Assets/Scripts/Studio/Input.meta b/Assets/Scripts/Studio/Input.meta
deleted file mode 100644
index 8fd8c5d1..00000000
--- a/Assets/Scripts/Studio/Input.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 26cbb88db439178438f4bc3bd8180d1f
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/Studio/Manager/GizmoUndoBridge.cs b/Assets/Scripts/Studio/Manager/GizmoUndoBridge.cs
new file mode 100644
index 00000000..f3c1dd3c
--- /dev/null
+++ b/Assets/Scripts/Studio/Manager/GizmoUndoBridge.cs
@@ -0,0 +1,352 @@
+#nullable enable
+using System.Collections.Generic;
+using RTGLite;
+using UnityEngine;
+using UVC.Core;
+using UVC.Studio.Command;
+
+namespace UVC.Studio.Manager
+{
+    /// <summary>
+    /// RTGLite Gizmo와 UndoRedoManager를 연결하는 브릿지 컴포넌트
+    /// Gizmo 드래그 시작/종료를 감지하여 TransformChangeCommand를 기록합니다.
+    /// </summary>
+    [DefaultExecutionOrder(200)] // RTGizmos 초기화 후 실행
+    public class GizmoUndoBridge : SingletonScene<GizmoUndoBridge>
+    {
+        #region Private Fields
+
+        /// <summary>
+        /// 드래그 중인지 여부
+        /// </summary>
+        private bool _isDragging = false;
+
+        /// <summary>
+        /// 드래그 종료 후 프레임 카운터 (클릭 무시용)
+        /// </summary>
+        private int _framesSinceDragEnd = int.MaxValue;
+
+        /// <summary>
+        /// 현재 드래그 중인 Gizmo
+        /// </summary>
+        private Gizmo? _activeGizmo = null;
+
+        /// <summary>
+        /// 드래그 시작 시 캡처한 TransformChangeCommand
+        /// </summary>
+        private TransformChangeCommand? _pendingCommand = null;
+
+        /// <summary>
+        /// 드래그 대상 Transform 리스트 (캐시)
+        /// </summary>
+        private readonly List<Transform> _dragTargets = new();
+
+        /// <summary>
+        /// RTUndo 비활성화 여부 (UVC Undo 수행 중일 때)
+        /// </summary>
+        private bool _isUVCUndoRedoInProgress = false;
+
+        #endregion
+
+        #region Unity Lifecycle
+
+        protected override void Init()
+        {
+            Debug.Log("[GizmoUndoBridge] Initialized");
+        }
+
+        private void Start()
+        {
+            // RTUndo 이벤트 구독 (RTGLite의 Undo/Redo 발생 시)
+            if (RTUndo.get != null)
+            {
+                RTUndo.get.undoRedo += OnRTUndoRedo;
+            }
+
+            // UVC UndoRedoManager 이벤트 구독
+            if (UndoRedoManager.Instance != null)
+            {
+                UndoRedoManager.Instance.OnUndo += OnUVCUndo;
+                UndoRedoManager.Instance.OnRedo += OnUVCRedo;
+            }
+        }
+
+        private void Update()
+        {
+            // 드래그 종료 후 프레임 카운터 증가
+            if (_framesSinceDragEnd < int.MaxValue)
+            {
+                _framesSinceDragEnd++;
+            }
+
+            // RTGizmos가 없으면 스킵
+            if (RTGizmos.get == null) return;
+
+            // 활성화된 드래그 Gizmo 찾기 (RTGizmos.draggedGizmo 사용)
+            var currentDraggingGizmo = RTGizmos.get.draggedGizmo;
+
+            // 드래그 시작 감지
+            if (!_isDragging && currentDraggingGizmo != null)
+            {
+                OnDragStart(currentDraggingGizmo);
+            }
+            // 드래그 종료 감지
+            else if (_isDragging && currentDraggingGizmo == null)
+            {
+                OnDragEnd();
+            }
+        }
+
+        protected override void OnDestroy()
+        {
+            // 이벤트 구독 해제
+            if (RTUndo.get != null)
+            {
+                RTUndo.get.undoRedo -= OnRTUndoRedo;
+            }
+
+            if (UndoRedoManager.Instance != null)
+            {
+                UndoRedoManager.Instance.OnUndo -= OnUVCUndo;
+                UndoRedoManager.Instance.OnRedo -= OnUVCRedo;
+            }
+
+            base.OnDestroy();
+        }
+
+        #endregion
+
+        #region Drag Detection
+
+        /// <summary>
+        /// 드래그 시작 시 호출
+        /// </summary>
+        private void OnDragStart(Gizmo gizmo)
+        {
+            _isDragging = true;
+            _activeGizmo = gizmo;
+
+            // 드래그 대상 수집
+            _dragTargets.Clear();
+            CollectDragTargets(gizmo);
+
+            if (_dragTargets.Count == 0)
+            {
+                Debug.LogWarning("[GizmoUndoBridge] No drag targets found");
+                return;
+            }
+
+            // Gizmo 타입에 따른 설명 생성
+            string description = GetGizmoOperationDescription(gizmo);
+
+            // TransformChangeCommand 생성 (Before 상태 캡처)
+            _pendingCommand = new TransformChangeCommand(_dragTargets, description);
+
+            Debug.Log($"[GizmoUndoBridge] Drag started: {_dragTargets.Count}개 객체, {description}");
+        }
+
+        /// <summary>
+        /// 드래그 종료 시 호출
+        /// </summary>
+        private void OnDragEnd()
+        {
+            _isDragging = false;
+            _framesSinceDragEnd = 0; // 프레임 카운터 리셋
+
+            if (_pendingCommand != null)
+            {
+                // After 상태 캡처
+                _pendingCommand.CaptureAfterState();
+
+                // 변경사항이 있으면 UndoRedoManager에 기록
+                if (_pendingCommand.HasChanges())
+                {
+                    var undoRedoManager = UndoRedoManager.Instance;
+                    if (undoRedoManager != null)
+                    {
+                        undoRedoManager.RecordCommand(_pendingCommand);
+                        Debug.Log($"[GizmoUndoBridge] Drag ended, recorded: {_pendingCommand.Description}");
+                    }
+                }
+                else
+                {
+                    Debug.Log("[GizmoUndoBridge] Drag ended, no changes detected");
+                }
+            }
+
+            _pendingCommand = null;
+            _activeGizmo = null;
+            _dragTargets.Clear();
+        }
+
+        /// <summary>
+        /// Gizmo에서 드래그 대상 Transform을 수집합니다.
+        /// </summary>
+        private void CollectDragTargets(Gizmo gizmo)
+        {
+            ObjectTransformGizmo? objectTransformGizmo = null;
+
+            // Gizmo 타입에 따라 ObjectTransformGizmo 가져오기
+            if (gizmo is MoveGizmo moveGizmo)
+            {
+                objectTransformGizmo = moveGizmo.objectTransformGizmo;
+            }
+            else if (gizmo is RotateGizmo rotateGizmo)
+            {
+                objectTransformGizmo = rotateGizmo.objectTransformGizmo;
+            }
+            else if (gizmo is ScaleGizmo scaleGizmo)
+            {
+                objectTransformGizmo = scaleGizmo.objectTransformGizmo;
+            }
+
+            if (objectTransformGizmo == null || objectTransformGizmo.targetCount == 0)
+            {
+                return;
+            }
+
+            // SelectionManager에서 선택된 객체 가져오기
+            if (InjectorAppContext.Instance != null)
+            {
+                var selectionManager = InjectorAppContext.Instance.Get<SelectionManager>();
+                if (selectionManager != null)
+                {
+                    foreach (var stageObject in selectionManager.SelectedObjects)
+                    {
+                        if (stageObject.GameObject != null)
+                        {
+                            _dragTargets.Add(stageObject.GameObject.transform);
+                        }
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gizmo 타입에 따른 작업 설명을 반환합니다.
+        /// </summary>
+        private static string GetGizmoOperationDescription(Gizmo gizmo)
+        {
+            return gizmo switch
+            {
+                MoveGizmo => "객체 이동",
+                RotateGizmo => "객체 회전",
+                ScaleGizmo => "객체 크기 변경",
+                _ => "객체 변환"
+            };
+        }
+
+        #endregion
+
+        #region RTUndo Integration
+
+        /// <summary>
+        /// RTUndo의 Undo/Redo 이벤트 핸들러
+        /// RTGLite 자체 단축키로 Undo/Redo가 실행될 때 호출됩니다.
+        /// </summary>
+        private void OnRTUndoRedo(bool isRedo)
+        {
+            // UVC에서 Undo/Redo 중이면 무시 (중복 방지)
+            if (_isUVCUndoRedoInProgress)
+            {
+                return;
+            }
+
+            Debug.Log($"[GizmoUndoBridge] RTUndo {(isRedo ? "Redo" : "Undo")} detected");
+
+            // RTGLite에서 직접 Undo/Redo가 발생하면
+            // UVC의 Undo 스택과 동기화가 필요할 수 있음
+            // 현재는 로그만 출력하고, 필요시 추가 동기화 로직 구현
+        }
+
+        /// <summary>
+        /// UVC UndoRedoManager의 Undo 이벤트 핸들러
+        /// </summary>
+        private void OnUVCUndo(UVC.UI.Commands.IUndoableCommand command)
+        {
+            // Transform 관련 커맨드면 RTGizmos 새로고침
+            if (command is TransformChangeCommand)
+            {
+                RefreshGizmos();
+            }
+        }
+
+        /// <summary>
+        /// UVC UndoRedoManager의 Redo 이벤트 핸들러
+        /// </summary>
+        private void OnUVCRedo(UVC.UI.Commands.IUndoableCommand command)
+        {
+            // Transform 관련 커맨드면 RTGizmos 새로고침
+            if (command is TransformChangeCommand)
+            {
+                RefreshGizmos();
+            }
+        }
+
+        /// <summary>
+        /// 모든 활성 Gizmo를 새로고침합니다.
+        /// </summary>
+        private void RefreshGizmos()
+        {
+            if (RTGizmos.get == null) return;
+
+            // CollectObjectTransformGizmos를 사용하여 모든 ObjectTransformGizmo 수집
+            var objectTransformGizmos = new List<ObjectTransformGizmo>();
+            RTGizmos.get.CollectObjectTransformGizmos(objectTransformGizmos);
+
+            foreach (var transformGizmo in objectTransformGizmos)
+            {
+                transformGizmo?.Refresh();
+            }
+
+            Debug.Log("[GizmoUndoBridge] Gizmos refreshed after Undo/Redo");
+        }
+
+        #endregion
+
+        #region Public Properties
+
+        /// <summary>
+        /// 드래그 중이거나 드래그 직후인지 여부
+        /// 빈 공간 클릭 시 선택 해제 방지용
+        /// </summary>
+        public bool IsDraggingOrJustEnded => _isDragging || _framesSinceDragEnd < 2;
+
+        #endregion
+
+        #region Public Methods
+
+        /// <summary>
+        /// RTUndo 기능을 일시적으로 비활성화합니다.
+        /// UVC에서 Undo/Redo 실행 시 RTUndo와의 충돌을 방지합니다.
+        /// </summary>
+        public void DisableRTUndo()
+        {
+            if (RTUndo.get != null)
+            {
+                RTUndo.get.PushEnabled(false);
+            }
+        }
+
+        /// <summary>
+        /// RTUndo 기능을 다시 활성화합니다.
+        /// </summary>
+        public void EnableRTUndo()
+        {
+            if (RTUndo.get != null)
+            {
+                RTUndo.get.PopEnabled();
+            }
+        }
+
+        /// <summary>
+        /// UVC Undo/Redo 진행 중 플래그를 설정합니다.
+        /// </summary>
+        public void SetUVCUndoRedoInProgress(bool inProgress)
+        {
+            _isUVCUndoRedoInProgress = inProgress;
+        }
+
+        #endregion
+    }
+}
diff --git a/Assets/Scripts/Studio/Manager/GizmoUndoBridge.cs.meta b/Assets/Scripts/Studio/Manager/GizmoUndoBridge.cs.meta
new file mode 100644
index 00000000..856e3127
--- /dev/null
+++ b/Assets/Scripts/Studio/Manager/GizmoUndoBridge.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 3563430103cfaa94db69bde3392f969b
\ No newline at end of file
diff --git a/Assets/Scripts/Studio/Manager/SelectionInputHandler.cs b/Assets/Scripts/Studio/Manager/SelectionInputHandler.cs
index 0e8d64b7..111ae464 100644
--- a/Assets/Scripts/Studio/Manager/SelectionInputHandler.cs
+++ b/Assets/Scripts/Studio/Manager/SelectionInputHandler.cs
@@ -17,6 +17,21 @@ namespace UVC.Studio.Manager
         private SelectionManager? _selectionManager;
         private StageObjectManager? _stageObjectManager;
 
+        /// <summary>
+        /// 더블클릭 감지 시간 간격 (초)
+        /// </summary>
+        private const float DoubleClickThreshold = 0.3f;
+
+        /// <summary>
+        /// 마지막 클릭 시간
+        /// </summary>
+        private float _lastClickTime = 0f;
+
+        /// <summary>
+        /// 마지막 클릭된 StageObject (더블클릭 확인용)
+        /// </summary>
+        private StageObjectManager.StageObject? _lastClickedStageObject;
+
         protected async void Start()
         {
             // InjectorSceneContext 초기화 대기
@@ -75,10 +90,16 @@ namespace UVC.Studio.Manager
 
             if (pickedObject == null)
             {
-                // 빈 공간 클릭 시 선택 해제 (다중 선택 키가 눌려있지 않을 때만)
+                // 빈 공간 클릭 시 선택 해제
+                // Shift/Ctrl 키를 누르고 있지 않으면 선택 해제
+                // 단, 기즈모 드래그 직후에는 선택 해제하지 않음
                 if (!addToSelection)
                 {
-                    _selectionManager.DeselectAll();
+                    var gizmoUndoBridge = GizmoUndoBridge.Instance;
+                    if (gizmoUndoBridge == null || !gizmoUndoBridge.IsDraggingOrJustEnded)
+                    {
+                        _selectionManager.DeselectAll();
+                    }
                 }
                 return;
             }
@@ -88,6 +109,24 @@ namespace UVC.Studio.Manager
 
             if (stageObject != null)
             {
+                // 더블클릭 감지
+                float currentTime = Time.unscaledTime;
+                bool isDoubleClick = (currentTime - _lastClickTime <= DoubleClickThreshold) &&
+                                     (_lastClickedStageObject == stageObject);
+
+                if (isDoubleClick)
+                {
+                    // 더블클릭: 카메라 포커스 이동
+                    _stageObjectManager.Focus(stageObject.GameObject);
+                    _lastClickTime = 0f; // 연속 더블클릭 방지
+                    _lastClickedStageObject = null;
+                    return;
+                }
+
+                // 클릭 정보 저장
+                _lastClickTime = currentTime;
+                _lastClickedStageObject = stageObject;
+
                 if (addToSelection)
                 {
                     // 다중 선택: 토글
@@ -99,6 +138,12 @@ namespace UVC.Studio.Manager
                     _selectionManager.Select(stageObject, false);
                 }
             }
+            else
+            {
+                // 빈 공간 클릭 시 더블클릭 상태 초기화
+                _lastClickTime = 0f;
+                _lastClickedStageObject = null;
+            }
         }
 
         /// <summary>
diff --git a/Assets/Scripts/Studio/Manager/SelectionManager.cs b/Assets/Scripts/Studio/Manager/SelectionManager.cs
index 714c32b5..479859b5 100644
--- a/Assets/Scripts/Studio/Manager/SelectionManager.cs
+++ b/Assets/Scripts/Studio/Manager/SelectionManager.cs
@@ -5,6 +5,7 @@ using EPOOutline;
 using RTGLite;
 using UnityEngine;
 using UVC.Core;
+using UVC.Studio.Command;
 using UVC.Studio.Config;
 using UVC.Studio.Tab;
 using UVC.UI.Window.PropertyWindow;
@@ -274,6 +275,16 @@ namespace UVC.Studio.Manager
             {
                 Deselect(obj);
             }
+
+            // HierarchyWindow(TreeList) 선택도 해제
+            var hierarchy = InjectorAppContext.Instance.Get<StudioSideTabBarHierarchy>();
+            if (hierarchy != null)
+            {
+                hierarchy.ClearSelection();
+            }
+
+            // 자식 Transform 표시도 정리
+            ClearChildTransformDisplay();
         }
 
         /// <summary>
@@ -685,58 +696,144 @@ namespace UVC.Studio.Manager
             // 자식 Transform이 표시 중인 경우
             if (_currentDisplayedChildTransform != null)
             {
-                switch (e.PropertyId)
-                {
-                    case "transform_position":
-                        if (e.NewValue is Vector3 childPos)
-                        {
-                            _currentDisplayedChildTransform.localPosition = childPos;
-                        }
-                        break;
-                    case "transform_rotation":
-                        if (e.NewValue is Vector3 childRot)
-                        {
-                            _currentDisplayedChildTransform.localEulerAngles = childRot;
-                        }
-                        break;
-                    case "transform_scale":
-                        if (e.NewValue is Vector3 childScale)
-                        {
-                            _currentDisplayedChildTransform.localScale = childScale;
-                        }
-                        break;
-                }
+                HandleChildTransformPropertyChange(e);
                 return;
             }
 
             if (_currentDisplayedObject == null) return;
 
+            HandleStageObjectPropertyChange(e);
+        }
+
+        /// <summary>
+        /// 자식 Transform 속성 변경 처리
+        /// </summary>
+        private void HandleChildTransformPropertyChange(PropertyValueChangedEventArgs e)
+        {
+            if (_currentDisplayedChildTransform == null) return;
+
+            switch (e.PropertyId)
+            {
+                case "transform_position":
+                    if (e.NewValue is Vector3 childPos && e.OldValue is Vector3 oldChildPos)
+                    {
+                        _currentDisplayedChildTransform.localPosition = childPos;
+                        RecordTransformPropertyChange(_currentDisplayedChildTransform, "position", oldChildPos, childPos);
+                    }
+                    break;
+                case "transform_rotation":
+                    if (e.NewValue is Vector3 childRot && e.OldValue is Vector3 oldChildRot)
+                    {
+                        _currentDisplayedChildTransform.localEulerAngles = childRot;
+                        RecordTransformPropertyChange(_currentDisplayedChildTransform, "rotation", oldChildRot, childRot);
+                    }
+                    break;
+                case "transform_scale":
+                    if (e.NewValue is Vector3 childScale && e.OldValue is Vector3 oldChildScale)
+                    {
+                        _currentDisplayedChildTransform.localScale = childScale;
+                        RecordTransformPropertyChange(_currentDisplayedChildTransform, "scale", oldChildScale, childScale);
+                    }
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// StageObject 속성 변경 처리
+        /// </summary>
+        private void HandleStageObjectPropertyChange(PropertyValueChangedEventArgs e)
+        {
+            if (_currentDisplayedObject?.GameObject == null) return;
+
             switch (e.PropertyId)
             {
                 case "object_name":
                     HandleObjectNameChanged(e.NewValue?.ToString() ?? "");
                     break;
                 case "transform_position":
-                    if (_currentDisplayedObject.GameObject != null && e.NewValue is Vector3 pos)
+                    if (e.NewValue is Vector3 pos && e.OldValue is Vector3 oldPos)
                     {
                         _currentDisplayedObject.GameObject.transform.localPosition = pos;
+                        RecordTransformPropertyChange(_currentDisplayedObject.GameObject.transform, "position", oldPos, pos);
                     }
                     break;
                 case "transform_rotation":
-                    if (_currentDisplayedObject.GameObject != null && e.NewValue is Vector3 rot)
+                    if (e.NewValue is Vector3 rot && e.OldValue is Vector3 oldRot)
                     {
                         _currentDisplayedObject.GameObject.transform.localEulerAngles = rot;
+                        RecordTransformPropertyChange(_currentDisplayedObject.GameObject.transform, "rotation", oldRot, rot);
                     }
                     break;
                 case "transform_scale":
-                    if (_currentDisplayedObject.GameObject != null && e.NewValue is Vector3 scale)
+                    if (e.NewValue is Vector3 scale && e.OldValue is Vector3 oldScale)
                     {
                         _currentDisplayedObject.GameObject.transform.localScale = scale;
+                        RecordTransformPropertyChange(_currentDisplayedObject.GameObject.transform, "scale", oldScale, scale);
                     }
                     break;
+                default:
+                    // 일반 속성 변경은 PropertyChangeCommand로 기록
+                    RecordPropertyChange(e);
+                    break;
             }
         }
 
+        /// <summary>
+        /// Transform 속성 변경을 UndoRedoManager에 기록합니다.
+        /// </summary>
+        private void RecordTransformPropertyChange(Transform transform, string propertyType, Vector3 oldValue, Vector3 newValue)
+        {
+            if (oldValue == newValue) return;
+
+            var command = new TransformPropertyChangeCommand(transform, propertyType, oldValue, newValue);
+            var undoRedoManager = UndoRedoManager.Instance;
+            if (undoRedoManager != null)
+            {
+                undoRedoManager.RecordCommand(command);
+                Debug.Log($"[SelectionManager] Recorded transform property change: {propertyType}");
+            }
+        }
+
+        /// <summary>
+        /// 일반 속성 변경을 UndoRedoManager에 기록합니다.
+        /// </summary>
+        private void RecordPropertyChange(PropertyValueChangedEventArgs e)
+        {
+            if (e.OldValue == e.NewValue) return;
+
+            // PropertyChangeCommand에 값 적용 함수 전달
+            var command = new PropertyChangeCommand(
+                e.PropertyId,
+                e.PropertyId, // 속성 이름으로 ID 사용
+                e.OldValue,
+                e.NewValue,
+                ApplyPropertyValue
+            );
+
+            var undoRedoManager = UndoRedoManager.Instance;
+            if (undoRedoManager != null)
+            {
+                undoRedoManager.RecordCommand(command);
+                Debug.Log($"[SelectionManager] Recorded property change: {e.PropertyId}");
+            }
+        }
+
+        /// <summary>
+        /// 속성 값을 적용합니다. (Undo/Redo 시 호출)
+        /// </summary>
+        private void ApplyPropertyValue(string propertyId, object? value)
+        {
+            if (_currentDisplayedObject == null) return;
+
+            // PropertyWindow에 값 반영
+            if (_propertyWindow != null)
+            {
+                _propertyWindow.SetPropertyValue(propertyId, value);
+            }
+
+            Debug.Log($"[SelectionManager] Applied property value: {propertyId} = {value}");
+        }
+
         /// <summary>
         /// 객체 이름 변경 처리
         /// </summary>
@@ -891,9 +988,9 @@ namespace UVC.Studio.Manager
             _rotateGizmo = RTGizmos.get.CreateObjectRotateGizmo();
             _scaleGizmo = RTGizmos.get.CreateObjectScaleGizmo();
 
-            _moveGizmo.objectTransformGizmo.pivot  = EGizmoPivot.Center;
-            _rotateGizmo.objectTransformGizmo.pivot  = EGizmoPivot.Center;
-            _scaleGizmo.objectTransformGizmo.pivot  = EGizmoPivot.Center;
+            _moveGizmo.objectTransformGizmo.pivot  = EGizmoPivot.Pivot;
+            _rotateGizmo.objectTransformGizmo.pivot  = EGizmoPivot.Pivot;
+            _scaleGizmo.objectTransformGizmo.pivot  = EGizmoPivot.Pivot;
 
             // 기본적으로 모든 기즈모 비활성화 (Select 모드)
             _moveGizmo.enabled = false;
diff --git a/Assets/Scripts/Studio/Manager/StudioShortcutManager.cs b/Assets/Scripts/Studio/Manager/ShortcutManager.cs
similarity index 70%
rename from Assets/Scripts/Studio/Manager/StudioShortcutManager.cs
rename to Assets/Scripts/Studio/Manager/ShortcutManager.cs
index 04b36914..60e3478c 100644
--- a/Assets/Scripts/Studio/Manager/StudioShortcutManager.cs
+++ b/Assets/Scripts/Studio/Manager/ShortcutManager.cs
@@ -32,11 +32,11 @@ namespace UVC.Studio.Manager
     /// </code>
     /// </remarks>
     [DefaultExecutionOrder(100)] // RTInput보다 늦게 실행
-    public class StudioShortcutManager : MonoBehaviour
+    public class ShortcutManager : MonoBehaviour
     {
         #region Singleton
-        private static StudioShortcutManager? _instance;
-        public static StudioShortcutManager? Instance => _instance;
+        private static ShortcutManager? _instance;
+        public static ShortcutManager? Instance => _instance;
         #endregion
 
         #region Private Fields
@@ -135,10 +135,11 @@ namespace UVC.Studio.Manager
 
         /// <summary>
         /// 메뉴 단축키를 ICommand와 함께 등록합니다.
+        /// IUndoableCommand인 경우 UndoRedoManager를 통해 실행됩니다.
         /// </summary>
         public void RegisterMenuShortcut(string shortcutId, ICommand command)
         {
-            RegisterMenuShortcut(shortcutId, () => command.Execute());
+            RegisterMenuShortcut(shortcutId, () => ExecuteCommand(command));
         }
 
         /// <summary>
@@ -209,6 +210,27 @@ namespace UVC.Studio.Manager
         #endregion
 
         #region Private Methods
+        /// <summary>
+        /// Command를 실행합니다.
+        /// IUndoableCommand인 경우 UndoRedoManager를 통해 실행합니다.
+        /// </summary>
+        private void ExecuteCommand(ICommand command)
+        {
+            if (command == null) return;
+
+            if (command is IUndoableCommand undoableCommand)
+            {
+                var undoRedoManager = UndoRedoManager.Instance;
+                if (undoRedoManager != null)
+                {
+                    undoRedoManager.ExecuteCommand(undoableCommand);
+                    return;
+                }
+            }
+
+            command.Execute();
+        }
+
         /// <summary>
         /// 단축키를 처리합니다.
         /// </summary>
@@ -236,19 +258,19 @@ namespace UVC.Studio.Manager
         {
             if (menu == null) return;
 
-            TryExecuteShortcut("newProject", menu.newProject?.key, _menuShortcuts);
-            TryExecuteShortcut("openProject", menu.openProject?.key, _menuShortcuts);
-            TryExecuteShortcut("saveProject", menu.saveProject?.key, _menuShortcuts);
-            TryExecuteShortcut("saveAsProject", menu.saveAsProject?.key, _menuShortcuts);
-            TryExecuteShortcut("insertDb", menu.insertDb?.key, _menuShortcuts);
-            TryExecuteShortcut("exportLayout", menu.exportLayout?.key, _menuShortcuts);
-            TryExecuteShortcut("exportMeta", menu.exportMeta?.key, _menuShortcuts);
-            TryExecuteShortcut("exportGltf", menu.exportGltf?.key, _menuShortcuts);
-            TryExecuteShortcut("undo", menu.undo?.key, _menuShortcuts);
-            TryExecuteShortcut("redo", menu.redo?.key, _menuShortcuts);
-            TryExecuteShortcut("duplicate", menu.duplicate?.key, _menuShortcuts);
-            TryExecuteShortcut("delete", menu.delete?.key, _menuShortcuts);
-            TryExecuteShortcut("createPlane", menu.createPlane?.key, _menuShortcuts);
+            TryExecuteShortcut("newProject", menu.newProject, _menuShortcuts);
+            TryExecuteShortcut("openProject", menu.openProject, _menuShortcuts);
+            TryExecuteShortcut("saveProject", menu.saveProject, _menuShortcuts);
+            TryExecuteShortcut("saveAsProject", menu.saveAsProject, _menuShortcuts);
+            TryExecuteShortcut("insertDb", menu.insertDb, _menuShortcuts);
+            TryExecuteShortcut("exportLayout", menu.exportLayout, _menuShortcuts);
+            TryExecuteShortcut("exportMeta", menu.exportMeta, _menuShortcuts);
+            TryExecuteShortcut("exportGltf", menu.exportGltf, _menuShortcuts);
+            TryExecuteShortcut("undo", menu.undo, _menuShortcuts);
+            TryExecuteShortcut("redo", menu.redo, _menuShortcuts);
+            TryExecuteShortcut("duplicate", menu.duplicate, _menuShortcuts);
+            TryExecuteShortcut("delete", menu.delete, _menuShortcuts);
+            TryExecuteShortcut("createPlane", menu.createPlane, _menuShortcuts);
         }
 
         /// <summary>
@@ -258,87 +280,71 @@ namespace UVC.Studio.Manager
         {
             if (tools == null) return;
 
-            TryExecuteShortcut("select", tools.select?.key, _toolShortcuts);
-            TryExecuteShortcut("move", tools.move?.key, _toolShortcuts);
-            TryExecuteShortcut("rotate", tools.rotate?.key, _toolShortcuts);
-            TryExecuteShortcut("scale", tools.scale?.key, _toolShortcuts);
-            TryExecuteShortcut("snap", tools.snap?.key, _toolShortcuts);
-            TryExecuteShortcut("guide", tools.guide?.key, _toolShortcuts);
-            TryExecuteShortcut("node", tools.node?.key, _toolShortcuts);
-            TryExecuteShortcut("link", tools.link?.key, _toolShortcuts);
-            TryExecuteShortcut("arc", tools.arc?.key, _toolShortcuts);
+            TryExecuteShortcut("select", tools.select, _toolShortcuts);
+            TryExecuteShortcut("move", tools.move, _toolShortcuts);
+            TryExecuteShortcut("rotate", tools.rotate, _toolShortcuts);
+            TryExecuteShortcut("scale", tools.scale, _toolShortcuts);
+            TryExecuteShortcut("snap", tools.snap, _toolShortcuts);
+            TryExecuteShortcut("guide", tools.guide, _toolShortcuts);
+            TryExecuteShortcut("node", tools.node, _toolShortcuts);
+            TryExecuteShortcut("link", tools.link, _toolShortcuts);
+            TryExecuteShortcut("arc", tools.arc, _toolShortcuts);
         }
 
         /// <summary>
         /// 단축키가 눌렸는지 확인하고 액션을 실행합니다.
         /// </summary>
-        private void TryExecuteShortcut(string shortcutId, string? keyCombo, Dictionary<string, ShortcutEntry> shortcuts)
+        private void TryExecuteShortcut(string shortcutId, ShortcutItem? shortcutItem, Dictionary<string, ShortcutEntry> shortcuts)
         {
-            if (string.IsNullOrEmpty(keyCombo)) return;
+            if (shortcutItem == null || string.IsNullOrEmpty(shortcutItem.key)) return;
             if (!shortcuts.TryGetValue(shortcutId, out var entry)) return;
             if (!IsShortcutEnabled(shortcutId)) return;
 
-            if (IsKeyComboPressed(keyCombo))
+            if (IsShortcutPressed(shortcutItem))
             {
                 entry.Action?.Invoke();
             }
         }
 
         /// <summary>
-        /// 키 조합이 눌렸는지 확인합니다.
+        /// ShortcutItem의 단축키가 눌렸는지 확인합니다.
         /// </summary>
-        /// <param name="keyCombo">"Ctrl+S", "Ctrl+Shift+Z", "W" 형식의 키 조합</param>
-        private bool IsKeyComboPressed(string keyCombo)
+        private bool IsShortcutPressed(ShortcutItem shortcutItem)
         {
-            var binding = ParseKeyCombo(keyCombo);
+            var binding = CreateBindingFromShortcutItem(shortcutItem);
             return IsBindingActive(binding);
         }
 
         /// <summary>
-        /// 키 조합 문자열을 파싱합니다.
+        /// ShortcutItem에서 ShortcutBinding을 생성합니다.
         /// </summary>
-        private ShortcutBinding ParseKeyCombo(string keyCombo)
+        private ShortcutBinding CreateBindingFromShortcutItem(ShortcutItem shortcutItem)
         {
-            var binding = new ShortcutBinding();
-
-            if (string.IsNullOrEmpty(keyCombo)) return binding;
-
-            // 공백 제거 및 '+' 로 분리
-            var parts = keyCombo.Replace(" ", "").Split('+');
-
-            foreach (var part in parts)
+            var binding = new ShortcutBinding
             {
-                var p = part.ToLower();
+                NeedCtrl = shortcutItem.ctrl,
+                NeedShift = shortcutItem.shift,
+                NeedAlt = shortcutItem.alt,
+                NeedCmd = false,
+                MainKey = Key.None
+            };
 
-                switch (p)
-                {
-                    case "ctrl":
-                    case "control":
-                        binding.NeedCtrl = true;
-                        break;
-                    case "shift":
-                        binding.NeedShift = true;
-                        break;
-                    case "alt":
-                        binding.NeedAlt = true;
-                        break;
-                    case "cmd":
-                    case "command":
-                        binding.NeedCmd = true;
-                        break;
-                    default:
-                        // 메인 키 파싱
-                        if (KeyEx.KeyFromText(p, out Key key))
-                        {
-                            binding.MainKey = key;
-                        }
-                        else
-                        {
-                            // 특수 키 처리
-                            binding.MainKey = ParseSpecialKey(p);
-                        }
-                        break;
-                }
+            // 메인 키 파싱
+            var keyText = shortcutItem.key.ToLower();
+
+            // 먼저 ParseSpecialKey로 시도 (숫자 키 및 특수 키)
+            var specialKey = ParseSpecialKey(keyText);
+            if (specialKey != Key.None)
+            {
+                binding.MainKey = specialKey;
+            }
+            else if (KeyEx.KeyFromText(keyText, out Key key))
+            {
+                binding.MainKey = key;
+            }
+            else
+            {
+                Debug.LogWarning($"[ShortcutManager] Failed to parse key: '{keyText}'");
             }
 
             return binding;
@@ -351,6 +357,18 @@ namespace UVC.Studio.Manager
         {
             return keyText.ToLower() switch
             {
+                // 숫자 키 (KeyEx가 실패할 경우 대비)
+                "0" => Key.Digit0,
+                "1" => Key.Digit1,
+                "2" => Key.Digit2,
+                "3" => Key.Digit3,
+                "4" => Key.Digit4,
+                "5" => Key.Digit5,
+                "6" => Key.Digit6,
+                "7" => Key.Digit7,
+                "8" => Key.Digit8,
+                "9" => Key.Digit9,
+                // 특수 키
                 "delete" => Key.Delete,
                 "backspace" => Key.Backspace,
                 "enter" => Key.Enter,
@@ -414,11 +432,20 @@ namespace UVC.Studio.Manager
             var selected = eventSystem.currentSelectedGameObject;
             if (selected == null) return false;
 
-            // TMP_InputField 또는 InputField 컴포넌트 확인
+            // TMP_InputField 확인 (자기 자신 및 부모 계층에서 검색)
             var tmpInput = selected.GetComponent<TMPro.TMP_InputField>();
+            if (tmpInput == null)
+            {
+                tmpInput = selected.GetComponentInParent<TMPro.TMP_InputField>();
+            }
             if (tmpInput != null && tmpInput.isFocused) return true;
 
+            // Legacy InputField 확인 (자기 자신 및 부모 계층에서 검색)
             var legacyInput = selected.GetComponent<UnityEngine.UI.InputField>();
+            if (legacyInput == null)
+            {
+                legacyInput = selected.GetComponentInParent<UnityEngine.UI.InputField>();
+            }
             if (legacyInput != null && legacyInput.isFocused) return true;
 
             return false;
diff --git a/Assets/Scripts/Studio/Manager/StudioShortcutManager.cs.meta b/Assets/Scripts/Studio/Manager/ShortcutManager.cs.meta
similarity index 100%
rename from Assets/Scripts/Studio/Manager/StudioShortcutManager.cs.meta
rename to Assets/Scripts/Studio/Manager/ShortcutManager.cs.meta
diff --git a/Assets/Scripts/Studio/Manager/StageObjectManager.cs b/Assets/Scripts/Studio/Manager/StageObjectManager.cs
index 2b6cdb46..646e2dcc 100644
--- a/Assets/Scripts/Studio/Manager/StageObjectManager.cs
+++ b/Assets/Scripts/Studio/Manager/StageObjectManager.cs
@@ -1,6 +1,7 @@
 #nullable enable
 using System;
 using System.Collections.Generic;
+using RTGLite;
 using UnityEngine;
 using UVC.Studio.Config;
 
@@ -63,6 +64,19 @@ namespace UVC.Studio.Manager
         public StageObject Register(EquipmentItem equipment, GameObject gameObject)
         {
             var id = GenerateId();
+            return RegisterWithId(id, equipment, gameObject);
+        }
+
+        /// <summary>
+        /// 지정된 ID로 객체를 스테이지에 등록합니다.
+        /// Undo/Redo 시 동일한 ID를 유지하기 위해 사용합니다.
+        /// </summary>
+        /// <param name="id">사용할 ID</param>
+        /// <param name="equipment">장비 정보</param>
+        /// <param name="gameObject">인스턴스화된 GameObject</param>
+        /// <returns>등록된 StageObject</returns>
+        public StageObject RegisterWithId(string id, EquipmentItem equipment, GameObject gameObject)
+        {
             var stageObject = new StageObject
             {
                 Id = id,
@@ -74,7 +88,7 @@ namespace UVC.Studio.Manager
             _objects[id] = stageObject;
             gameObject.name = GenerateUniqueName(equipment.id);
 
-            Debug.Log($"[StageObjectManager] Registered: {gameObject.name}");
+            Debug.Log($"[StageObjectManager] Registered: {gameObject.name} (ID: {id})");
             OnObjectAdded?.Invoke(stageObject);
 
             return stageObject;
@@ -158,6 +172,77 @@ namespace UVC.Studio.Manager
             }
         }
 
+        /// <summary>
+        /// ID로 객체에 카메라 포커스를 이동합니다
+        /// </summary>
+        /// <param name="id">포커스할 객체의 ID</param>
+        /// <returns>포커스 성공 여부</returns>
+        public bool Focus(string id)
+        {
+            if (!_objects.TryGetValue(id, out var stageObject) || stageObject.GameObject == null)
+            {
+                return false;
+            }
+
+            return Focus(stageObject.GameObject);
+        }
+
+        /// <summary>
+        /// GameObject에 카메라 포커스를 이동합니다
+        /// </summary>
+        /// <param name="gameObject">포커스할 GameObject</param>
+        /// <param name="distanceMultiplier">거리 배수 (1.0 = 기본, 1.5 = 50% 더 멀리)</param>
+        /// <returns>포커스 성공 여부</returns>
+        public bool Focus(GameObject gameObject, float distanceMultiplier = 1.5f)
+        {
+            if (gameObject == null || RTCamera.get == null)
+            {
+                return false;
+            }
+
+            // 객체의 AABB 계산
+            var bounds = CalculateGameObjectBounds(gameObject);
+            if (!bounds.HasValue)
+            {
+                // bounds가 없으면 기본 Focus 사용
+                RTCamera.get.Focus(new List<GameObject> { gameObject });
+                Debug.Log($"[StageObjectManager] Camera focused on: {gameObject.name} (default)");
+                return true;
+            }
+
+            // Sphere 생성 (AABB를 감싸는 구)
+            var center = bounds.Value.center;
+            var radius = bounds.Value.extents.magnitude;
+
+            // 거리 배수 적용 (radius를 늘려서 카메라가 더 멀리 위치하도록)
+            var adjustedRadius = radius * distanceMultiplier;
+            var sphere = new Sphere(center, adjustedRadius);
+
+            RTCamera.get.Focus(sphere);
+            Debug.Log($"[StageObjectManager] Camera focused on: {gameObject.name} (distance multiplier: {distanceMultiplier})");
+            return true;
+        }
+
+        /// <summary>
+        /// GameObject의 Bounds를 계산합니다
+        /// </summary>
+        private Bounds? CalculateGameObjectBounds(GameObject gameObject)
+        {
+            var renderers = gameObject.GetComponentsInChildren<Renderer>();
+            if (renderers.Length == 0)
+            {
+                return null;
+            }
+
+            var bounds = renderers[0].bounds;
+            for (int i = 1; i < renderers.Length; i++)
+            {
+                bounds.Encapsulate(renderers[i].bounds);
+            }
+
+            return bounds;
+        }
+
         /// <summary>
         /// 고유 ID 생성
         /// </summary>
diff --git a/Assets/Scripts/Studio/Manager/UndoRedoManager.cs b/Assets/Scripts/Studio/Manager/UndoRedoManager.cs
new file mode 100644
index 00000000..bec8208a
--- /dev/null
+++ b/Assets/Scripts/Studio/Manager/UndoRedoManager.cs
@@ -0,0 +1,372 @@
+#nullable enable
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UVC.Core;
+using UVC.Studio.Command;
+using UVC.UI.Commands;
+
+namespace UVC.Studio.Manager
+{
+    /// <summary>
+    /// Undo/Redo 히스토리를 관리하는 매니저 클래스
+    /// IUndoableCommand 기반으로 작업 이력을 추적
+    /// SingletonScene 기반으로 씬 전환 시 자동 정리
+    /// </summary>
+    public class UndoRedoManager : SingletonScene<UndoRedoManager>
+    {
+        [SerializeField]
+        [Tooltip("Undo 스택 최대 크기")]
+        private int _maxStackSize = 50;
+
+        private readonly Stack<IUndoableCommand> _undoStack = new();
+        private readonly Stack<IUndoableCommand> _redoStack = new();
+
+        /// <summary>히스토리 변경 시 발생하는 이벤트</summary>
+        public event Action? OnHistoryChanged;
+
+        /// <summary>Undo 실행 시 발생하는 이벤트</summary>
+        public event Action<IUndoableCommand>? OnUndo;
+
+        /// <summary>Redo 실행 시 발생하는 이벤트</summary>
+        public event Action<IUndoableCommand>? OnRedo;
+
+        /// <summary>Undo 가능 여부</summary>
+        public bool CanUndo => _undoStack.Count > 0;
+
+        /// <summary>Redo 가능 여부</summary>
+        public bool CanRedo => _redoStack.Count > 0;
+
+        /// <summary>Undo 스택 개수</summary>
+        public int UndoCount => _undoStack.Count;
+
+        /// <summary>Redo 스택 개수</summary>
+        public int RedoCount => _redoStack.Count;
+
+        /// <summary>최근 Undo 가능한 작업 설명</summary>
+        public string? UndoDescription => _undoStack.Count > 0 ? _undoStack.Peek().Description : null;
+
+        /// <summary>최근 Redo 가능한 작업 설명</summary>
+        public string? RedoDescription => _redoStack.Count > 0 ? _redoStack.Peek().Description : null;
+
+        /// <summary>
+        /// 초기화
+        /// </summary>
+        protected override void Init()
+        {
+            Debug.Log($"[UndoRedoManager] Initialized with maxStackSize: {_maxStackSize}");
+        }
+
+        /// <summary>
+        /// Command를 실행하고 히스토리에 기록
+        /// </summary>
+        /// <param name="command">실행할 IUndoableCommand</param>
+        /// <param name="parameter">실행 파라미터</param>
+        public void ExecuteCommand(IUndoableCommand command, object? parameter = null)
+        {
+            try
+            {
+                command.Execute(parameter);
+
+                // 병합 가능하면 병합
+                if (_undoStack.Count > 0 && _undoStack.Peek().CanMerge(command))
+                {
+                    _undoStack.Peek().Merge(command);
+                    Debug.Log($"[UndoRedoManager] Merged: {command.Description}");
+                }
+                else
+                {
+                    PushUndo(command);
+                    Debug.Log($"[UndoRedoManager] Recorded: {command.Description}");
+                }
+
+                // 새 액션 추가 시 Redo 스택 클리어
+                _redoStack.Clear();
+                OnHistoryChanged?.Invoke();
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"[UndoRedoManager] Execute failed: {ex.Message}");
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// 이미 실행된 Command를 히스토리에만 기록 (Execute 없이)
+        /// RTGizmo 등 외부에서 이미 실행된 작업을 기록할 때 사용
+        /// </summary>
+        /// <param name="command">기록할 IUndoableCommand</param>
+        public void RecordCommand(IUndoableCommand command)
+        {
+            // 병합 가능하면 병합
+            if (_undoStack.Count > 0 && _undoStack.Peek().CanMerge(command))
+            {
+                _undoStack.Peek().Merge(command);
+                Debug.Log($"[UndoRedoManager] Merged (record only): {command.Description}");
+            }
+            else
+            {
+                PushUndo(command);
+                Debug.Log($"[UndoRedoManager] Recorded (no execute): {command.Description}");
+            }
+
+            _redoStack.Clear();
+            OnHistoryChanged?.Invoke();
+        }
+
+        /// <summary>
+        /// 마지막 작업 취소 (Undo)
+        /// </summary>
+        public void Undo()
+        {
+            if (!CanUndo)
+            {
+                Debug.Log("[UndoRedoManager] Nothing to undo");
+                return;
+            }
+
+            var command = _undoStack.Pop();
+            try
+            {
+                command.Undo();
+                _redoStack.Push(command);
+                Debug.Log($"[UndoRedoManager] Undo: {command.Description}");
+                OnUndo?.Invoke(command);
+                OnHistoryChanged?.Invoke();
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"[UndoRedoManager] Undo failed: {ex.Message}");
+                // 실패해도 Redo 스택에 넣어서 사용자가 다시 시도 가능하게
+                _redoStack.Push(command);
+                OnHistoryChanged?.Invoke();
+            }
+        }
+
+        /// <summary>
+        /// 마지막 취소 작업 다시 실행 (Redo)
+        /// </summary>
+        public void Redo()
+        {
+            if (!CanRedo)
+            {
+                Debug.Log("[UndoRedoManager] Nothing to redo");
+                return;
+            }
+
+            var command = _redoStack.Pop();
+
+            // TransformChangeCommand의 경우 Transform 복구 시도 후 유효성 검사
+            if (command is TransformChangeCommand transformCmd)
+            {
+                // StageObject ID 기반 Transform 복구 시도
+                transformCmd.TryResolveAllTransforms();
+
+                if (!transformCmd.IsValid())
+                {
+                    Debug.LogWarning($"[UndoRedoManager] Redo skipped (invalid): {command.Description} - 대상 객체가 파괴됨 (ID 복구 실패)");
+                    // 유효하지 않은 커맨드는 버리고 다음 Redo 시도
+                    OnHistoryChanged?.Invoke();
+                    return;
+                }
+            }
+
+            try
+            {
+                command.Redo();
+                _undoStack.Push(command);
+                Debug.Log($"[UndoRedoManager] Redo: {command.Description}");
+                OnRedo?.Invoke(command);
+                OnHistoryChanged?.Invoke();
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"[UndoRedoManager] Redo failed: {ex.Message}");
+                // TransformChangeCommand 실패 시 스택에서 제거 (재시도해도 실패할 것이므로)
+                if (command is TransformChangeCommand)
+                {
+                    Debug.LogWarning($"[UndoRedoManager] 유효하지 않은 TransformChangeCommand 제거됨");
+                    OnHistoryChanged?.Invoke();
+                    return;
+                }
+                // 다른 커맨드는 실패해도 Undo 스택에 넣어서 사용자가 다시 시도 가능하게
+                _undoStack.Push(command);
+                OnHistoryChanged?.Invoke();
+            }
+        }
+
+        /// <summary>
+        /// 모든 히스토리 지우기
+        /// </summary>
+        public void Clear()
+        {
+            _undoStack.Clear();
+            _redoStack.Clear();
+            Debug.Log("[UndoRedoManager] History cleared");
+            OnHistoryChanged?.Invoke();
+        }
+
+        /// <summary>
+        /// Redo 스택에 커맨드를 직접 추가합니다.
+        /// 복제 Redo 시 Transform 이력 커맨드를 추가할 때 사용합니다.
+        /// </summary>
+        /// <param name="command">추가할 커맨드</param>
+        public void PushToRedoStack(IUndoableCommand command)
+        {
+            _redoStack.Push(command);
+        }
+
+        /// <summary>
+        /// Redo 스택에서 유효하지 않은 TransformChangeCommand를 제거합니다.
+        /// 객체 삭제 후 호출하여 파괴된 객체를 참조하는 커맨드를 정리합니다.
+        /// </summary>
+        public void CleanupInvalidRedoCommands()
+        {
+            if (_redoStack.Count == 0) return;
+
+            var validCommands = new Stack<IUndoableCommand>();
+            var commands = _redoStack.ToArray();
+            int removedCount = 0;
+
+            // 스택을 역순으로 순회하여 유효한 커맨드만 유지
+            for (int i = commands.Length - 1; i >= 0; i--)
+            {
+                var cmd = commands[i];
+                if (cmd is TransformChangeCommand transformCmd && !transformCmd.IsValid())
+                {
+                    removedCount++;
+                    Debug.Log($"[UndoRedoManager] 유효하지 않은 커맨드 제거: {cmd.Description}");
+                }
+                else
+                {
+                    validCommands.Push(cmd);
+                }
+            }
+
+            if (removedCount > 0)
+            {
+                _redoStack.Clear();
+                // 다시 올바른 순서로 추가
+                var validArray = validCommands.ToArray();
+                for (int i = validArray.Length - 1; i >= 0; i--)
+                {
+                    _redoStack.Push(validArray[i]);
+                }
+                Debug.Log($"[UndoRedoManager] Redo 스택 정리: {removedCount}개 커맨드 제거됨");
+                OnHistoryChanged?.Invoke();
+            }
+        }
+
+        /// <summary>
+        /// 지정된 Transform을 참조하는 TransformChangeCommand를 Redo 스택에서 제거합니다.
+        /// </summary>
+        /// <param name="transforms">제거할 대상 Transform 목록</param>
+        public void RemoveCommandsForTransforms(IEnumerable<Transform> transforms)
+        {
+            if (_redoStack.Count == 0) return;
+
+            var targetTransforms = new HashSet<Transform>(transforms);
+            var validCommands = new Stack<IUndoableCommand>();
+            var commands = _redoStack.ToArray();
+            int removedCount = 0;
+
+            // 스택을 역순으로 순회
+            for (int i = commands.Length - 1; i >= 0; i--)
+            {
+                var cmd = commands[i];
+                if (cmd is TransformChangeCommand transformCmd && transformCmd.ContainsAnyTransform(targetTransforms))
+                {
+                    removedCount++;
+                    Debug.Log($"[UndoRedoManager] 대상 Transform 커맨드 제거: {cmd.Description}");
+                }
+                else
+                {
+                    validCommands.Push(cmd);
+                }
+            }
+
+            if (removedCount > 0)
+            {
+                _redoStack.Clear();
+                var validArray = validCommands.ToArray();
+                for (int i = validArray.Length - 1; i >= 0; i--)
+                {
+                    _redoStack.Push(validArray[i]);
+                }
+                Debug.Log($"[UndoRedoManager] Redo 스택에서 {removedCount}개 Transform 커맨드 제거됨");
+                OnHistoryChanged?.Invoke();
+            }
+        }
+
+        /// <summary>
+        /// Undo 스택에 Command 추가 (스택 크기 제한 적용)
+        /// </summary>
+        private void PushUndo(IUndoableCommand command)
+        {
+            if (_undoStack.Count >= _maxStackSize)
+            {
+                // 스택이 가득 찼으면 가장 오래된 것 제거
+                TrimStack();
+            }
+            _undoStack.Push(command);
+        }
+
+        /// <summary>
+        /// 스택 크기 초과 시 가장 오래된 항목 제거
+        /// </summary>
+        private void TrimStack()
+        {
+            if (_undoStack.Count == 0) return;
+
+            // Stack을 배열로 변환 후 가장 오래된 것 제외하고 다시 Stack으로
+            var items = _undoStack.ToArray();
+            _undoStack.Clear();
+
+            // items[0]이 가장 최근, items[^1]이 가장 오래된 것
+            // 가장 오래된 것(마지막)을 제외하고 역순으로 다시 추가
+            for (int i = items.Length - 2; i >= 0; i--)
+            {
+                _undoStack.Push(items[i]);
+            }
+        }
+
+        /// <summary>
+        /// Undo 히스토리 목록 가져오기 (UI 표시용)
+        /// </summary>
+        /// <param name="maxCount">최대 개수</param>
+        /// <returns>작업 설명 목록 (최신순)</returns>
+        public IEnumerable<string> GetUndoHistory(int maxCount = 10)
+        {
+            int count = 0;
+            foreach (var cmd in _undoStack)
+            {
+                if (count++ >= maxCount) break;
+                yield return cmd.Description;
+            }
+        }
+
+        /// <summary>
+        /// Redo 히스토리 목록 가져오기 (UI 표시용)
+        /// </summary>
+        /// <param name="maxCount">최대 개수</param>
+        /// <returns>작업 설명 목록 (최신순)</returns>
+        public IEnumerable<string> GetRedoHistory(int maxCount = 10)
+        {
+            int count = 0;
+            foreach (var cmd in _redoStack)
+            {
+                if (count++ >= maxCount) break;
+                yield return cmd.Description;
+            }
+        }
+
+        /// <summary>
+        /// 씬 전환 시 정리
+        /// </summary>
+        protected override void OnDestroy()
+        {
+            Clear();
+            base.OnDestroy();
+        }
+    }
+}
diff --git a/Assets/Scripts/Studio/Manager/UndoRedoManager.cs.meta b/Assets/Scripts/Studio/Manager/UndoRedoManager.cs.meta
new file mode 100644
index 00000000..b87fbb45
--- /dev/null
+++ b/Assets/Scripts/Studio/Manager/UndoRedoManager.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 438714a24c70dca43af1dbc28e93156d
\ No newline at end of file
diff --git a/Assets/Scripts/Studio/Modal/Settings/SettingShortcutTabContent.cs b/Assets/Scripts/Studio/Modal/Settings/SettingShortcutTabContent.cs
index b6ea18d5..25d54cd6 100644
--- a/Assets/Scripts/Studio/Modal/Settings/SettingShortcutTabContent.cs
+++ b/Assets/Scripts/Studio/Modal/Settings/SettingShortcutTabContent.cs
@@ -5,7 +5,9 @@ using TMPro;
 using UnityEngine;
 using UnityEngine.UI;
 using UVC.Core;
+using UVC.Locale;
 using UVC.Studio.Config;
+using UVC.UI.Modal;
 using UVC.UI.Tab;
 
 namespace UVC.Studio.Modal.Settings
@@ -24,6 +26,14 @@ namespace UVC.Studio.Modal.Settings
         [SerializeField]
         private TextMeshProUGUI? firstLabelTxt;
 
+        [SerializeField]
+        private Toggle? firstCtrlToggle;
+
+        [SerializeField]
+        private Toggle? firstShiftToggle;
+
+        [SerializeField]
+        private Toggle? firstAltToggle;
 
         [SerializeField]
         private TMP_InputField? firstValueTxt;
@@ -32,9 +42,68 @@ namespace UVC.Studio.Modal.Settings
 
         private List<TextMeshProUGUI> labelTxts = new List<TextMeshProUGUI>();
         private List<TMP_InputField> valueTxts = new List<TMP_InputField>();
+        private List<Toggle> ctrlToggles = new List<Toggle>();
+        private List<Toggle> shiftToggles = new List<Toggle>();
+        private List<Toggle> altToggles = new List<Toggle>();
 
         private bool changedValue = false;
 
+        // 단축키로 사용할 수 없는 키 목록 (카메라 조작 등에 사용됨)
+        private static readonly HashSet<string> reservedKeys = new HashSet<string> { "A", "D", "Q", "E", "S", "W", "V" };
+
+        /// <summary>
+        /// 해당 인덱스의 수정자 키(Ctrl, Shift, Alt) 중 하나라도 체크되어 있는지 확인합니다.
+        /// </summary>
+        private bool HasAnyModifier(int index)
+        {
+            if (index < 0 || index >= ctrlToggles.Count) return false;
+            return ctrlToggles[index].isOn || shiftToggles[index].isOn || altToggles[index].isOn;
+        }
+
+        /// <summary>
+        /// 해당 인덱스의 키가 예약된 키인지 확인합니다.
+        /// </summary>
+        private bool IsReservedKey(int index)
+        {
+            if (index < 0 || index >= valueTxts.Count) return false;
+            return reservedKeys.Contains(valueTxts[index].text.ToUpper());
+        }
+
+        /// <summary>
+        /// 지정된 단축키 조합이 다른 항목과 중복되는지 확인합니다.
+        /// </summary>
+        /// <param name="excludeIndex">중복 체크에서 제외할 인덱스 (자기 자신)</param>
+        /// <param name="key">확인할 키</param>
+        /// <param name="ctrl">Ctrl 체크 여부</param>
+        /// <param name="shift">Shift 체크 여부</param>
+        /// <param name="alt">Alt 체크 여부</param>
+        /// <returns>중복이 있으면 true</returns>
+        private bool IsDuplicateShortcut(int excludeIndex, string key, bool ctrl, bool shift, bool alt)
+        {
+            if (string.IsNullOrEmpty(key)) return false;
+
+            string upperKey = key.ToUpper();
+            for (int i = 0; i < valueTxts.Count; i++)
+            {
+                if (i == excludeIndex) continue;
+                if (i >= ctrlToggles.Count || i >= shiftToggles.Count || i >= altToggles.Count) continue;
+
+                string otherKey = valueTxts[i].text.ToUpper();
+                if (string.IsNullOrEmpty(otherKey)) continue;
+
+                bool otherCtrl = ctrlToggles[i].isOn;
+                bool otherShift = shiftToggles[i].isOn;
+                bool otherAlt = altToggles[i].isOn;
+
+                // 키와 모든 수정자가 동일하면 중복
+                if (upperKey == otherKey && ctrl == otherCtrl && shift == otherShift && alt == otherAlt)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
         /// <summary>
         /// 탭 콘텐츠에 데이터를 전달합니다.
         /// </summary>
@@ -51,7 +120,10 @@ namespace UVC.Studio.Modal.Settings
 
             labelTxts.Clear();
             valueTxts.Clear();
-            
+            ctrlToggles.Clear();
+            shiftToggles.Clear();
+            altToggles.Clear();
+
             if (setting != null && labelGroup != null && valueGroup != null)
             {
                 changedValue = false;
@@ -79,10 +151,117 @@ namespace UVC.Studio.Modal.Settings
                                 labelTxts.Add(firstLabelTxt);
                                 valueTxts.Add(firstValueTxt);
 
-                                // 영문 대문자만 입력되도록 필터링
+                                // Toggle 초기값 설정
+                                int currentIndex = 0; // 첫 번째 항목의 인덱스
+                                if (firstCtrlToggle != null)
+                                {
+                                    firstCtrlToggle.isOn = shortcut.ctrl;
+                                    ctrlToggles.Add(firstCtrlToggle);
+                                    firstCtrlToggle.onValueChanged.AddListener((value) =>
+                                    {
+                                        // 체크 해제 시 예약된 키가 있으면 차단
+                                        if (!value && IsReservedKey(currentIndex) && !HasAnyModifier(currentIndex))
+                                        {
+                                            firstCtrlToggle.isOn = true;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        string key = valueTxts[currentIndex].text;
+                                        bool newCtrl = value;
+                                        bool newShift = shiftToggles[currentIndex].isOn;
+                                        bool newAlt = altToggles[currentIndex].isOn;
+                                        if (IsDuplicateShortcut(currentIndex, key, newCtrl, newShift, newAlt))
+                                        {
+                                            firstCtrlToggle.isOn = !value;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        shortcut.ctrl = value;
+                                        changedValue = true;
+                                    });
+                                }
+                                if (firstShiftToggle != null)
+                                {
+                                    firstShiftToggle.isOn = shortcut.shift;
+                                    shiftToggles.Add(firstShiftToggle);
+                                    firstShiftToggle.onValueChanged.AddListener((value) =>
+                                    {
+                                        // 체크 해제 시 예약된 키가 있으면 차단
+                                        if (!value && IsReservedKey(currentIndex) && !HasAnyModifier(currentIndex))
+                                        {
+                                            firstShiftToggle.isOn = true;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        string key = valueTxts[currentIndex].text;
+                                        bool newCtrl = ctrlToggles[currentIndex].isOn;
+                                        bool newShift = value;
+                                        bool newAlt = altToggles[currentIndex].isOn;
+                                        if (IsDuplicateShortcut(currentIndex, key, newCtrl, newShift, newAlt))
+                                        {
+                                            firstShiftToggle.isOn = !value;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        shortcut.shift = value;
+                                        changedValue = true;
+                                    });
+                                }
+                                if (firstAltToggle != null)
+                                {
+                                    firstAltToggle.isOn = shortcut.alt;
+                                    altToggles.Add(firstAltToggle);
+                                    firstAltToggle.onValueChanged.AddListener((value) =>
+                                    {
+                                        // 체크 해제 시 예약된 키가 있으면 차단
+                                        if (!value && IsReservedKey(currentIndex) && !HasAnyModifier(currentIndex))
+                                        {
+                                            firstAltToggle.isOn = true;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        string key = valueTxts[currentIndex].text;
+                                        bool newCtrl = ctrlToggles[currentIndex].isOn;
+                                        bool newShift = shiftToggles[currentIndex].isOn;
+                                        bool newAlt = value;
+                                        if (IsDuplicateShortcut(currentIndex, key, newCtrl, newShift, newAlt))
+                                        {
+                                            firstAltToggle.isOn = !value;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        shortcut.alt = value;
+                                        changedValue = true;
+                                    });
+                                }
+
+                                // 영문 대문자만 입력되도록 필터링 및 예약된 키 체크
+                                string previousKey = shortcut.key;
                                 firstValueTxt.onValueChanged.AddListener((value) =>
                                 {
-                                    firstValueTxt.text = value.ToUpper();
+                                    string upperValue = value.ToUpper();
+                                    // 수정자 키가 하나도 없을 때만 예약된 키 체크
+                                    if (reservedKeys.Contains(upperValue) && !HasAnyModifier(currentIndex))
+                                    {
+                                        firstValueTxt.text = previousKey;
+                                        Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                        return;
+                                    }
+                                    // 중복 단축키 체크
+                                    bool ctrl = ctrlToggles[currentIndex].isOn;
+                                    bool shift = shiftToggles[currentIndex].isOn;
+                                    bool alt = altToggles[currentIndex].isOn;
+                                    if (IsDuplicateShortcut(currentIndex, upperValue, ctrl, shift, alt))
+                                    {
+                                        firstValueTxt.text = previousKey;
+                                        Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                        return;
+                                    }
+                                    previousKey = upperValue;
+                                    firstValueTxt.text = upperValue;
                                 });
 
                                 // 값 변경 리스너 추가
@@ -103,6 +282,99 @@ namespace UVC.Studio.Modal.Settings
                                     labelTxts.Add(labelInstance);
                                 }
 
+                                // Toggle 복제
+                                int itemIndex = ctrlToggles.Count; // 현재 항목의 인덱스 (추가 전)
+                                if (firstCtrlToggle != null)
+                                {
+                                    Toggle ctrlInstance = Instantiate(firstCtrlToggle, firstCtrlToggle.transform.parent);
+                                    ctrlInstance.isOn = shortcut.ctrl;
+                                    ctrlToggles.Add(ctrlInstance);
+                                    int capturedIndex = itemIndex;
+                                    ctrlInstance.onValueChanged.AddListener((value) =>
+                                    {
+                                        // 체크 해제 시 예약된 키가 있으면 차단
+                                        if (!value && IsReservedKey(capturedIndex) && !HasAnyModifier(capturedIndex))
+                                        {
+                                            ctrlInstance.isOn = true;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        string key = valueTxts[capturedIndex].text;
+                                        bool newCtrl = value;
+                                        bool newShift = shiftToggles[capturedIndex].isOn;
+                                        bool newAlt = altToggles[capturedIndex].isOn;
+                                        if (IsDuplicateShortcut(capturedIndex, key, newCtrl, newShift, newAlt))
+                                        {
+                                            ctrlInstance.isOn = !value;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        shortcut.ctrl = value;
+                                        changedValue = true;
+                                    });
+                                }
+                                if (firstShiftToggle != null)
+                                {
+                                    Toggle shiftInstance = Instantiate(firstShiftToggle, firstShiftToggle.transform.parent);
+                                    shiftInstance.isOn = shortcut.shift;
+                                    shiftToggles.Add(shiftInstance);
+                                    int capturedIndex = itemIndex;
+                                    shiftInstance.onValueChanged.AddListener((value) =>
+                                    {
+                                        // 체크 해제 시 예약된 키가 있으면 차단
+                                        if (!value && IsReservedKey(capturedIndex) && !HasAnyModifier(capturedIndex))
+                                        {
+                                            shiftInstance.isOn = true;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        string key = valueTxts[capturedIndex].text;
+                                        bool newCtrl = ctrlToggles[capturedIndex].isOn;
+                                        bool newShift = value;
+                                        bool newAlt = altToggles[capturedIndex].isOn;
+                                        if (IsDuplicateShortcut(capturedIndex, key, newCtrl, newShift, newAlt))
+                                        {
+                                            shiftInstance.isOn = !value;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        shortcut.shift = value;
+                                        changedValue = true;
+                                    });
+                                }
+                                if (firstAltToggle != null)
+                                {
+                                    Toggle altInstance = Instantiate(firstAltToggle, firstAltToggle.transform.parent);
+                                    altInstance.isOn = shortcut.alt;
+                                    altToggles.Add(altInstance);
+                                    int capturedIndex = itemIndex;
+                                    altInstance.onValueChanged.AddListener((value) =>
+                                    {
+                                        // 체크 해제 시 예약된 키가 있으면 차단
+                                        if (!value && IsReservedKey(capturedIndex) && !HasAnyModifier(capturedIndex))
+                                        {
+                                            altInstance.isOn = true;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        string key = valueTxts[capturedIndex].text;
+                                        bool newCtrl = ctrlToggles[capturedIndex].isOn;
+                                        bool newShift = shiftToggles[capturedIndex].isOn;
+                                        bool newAlt = value;
+                                        if (IsDuplicateShortcut(capturedIndex, key, newCtrl, newShift, newAlt))
+                                        {
+                                            altInstance.isOn = !value;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        shortcut.alt = value;
+                                        changedValue = true;
+                                    });
+                                }
+
                                 // 값 복제
                                 if (firstValueTxt != null)
                                 {
@@ -110,10 +382,31 @@ namespace UVC.Studio.Modal.Settings
                                     valueInstance.text = shortcut.key;
                                     valueTxts.Add(valueInstance);
 
-                                    // 영문 대문자만 입력되도록 필터링
+                                    int capturedIndex = itemIndex;
+                                    string prevKey = shortcut.key;
+                                    // 영문 대문자만 입력되도록 필터링 및 예약된 키 체크
                                     valueInstance.onValueChanged.AddListener((value) =>
                                     {
-                                        valueInstance.text = value.ToUpper();
+                                        string upperValue = value.ToUpper();
+                                        // 수정자 키가 하나도 없을 때만 예약된 키 체크
+                                        if (reservedKeys.Contains(upperValue) && !HasAnyModifier(capturedIndex))
+                                        {
+                                            valueInstance.text = prevKey;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_not_shortcut"));
+                                            return;
+                                        }
+                                        // 중복 단축키 체크
+                                        bool ctrl = ctrlToggles[capturedIndex].isOn;
+                                        bool shift = shiftToggles[capturedIndex].isOn;
+                                        bool alt = altToggles[capturedIndex].isOn;
+                                        if (IsDuplicateShortcut(capturedIndex, upperValue, ctrl, shift, alt))
+                                        {
+                                            valueInstance.text = prevKey;
+                                            Toast.Show(LocalizationManager.Instance.GetString("msg_duplicate_shortcut"));
+                                            return;
+                                        }
+                                        prevKey = upperValue;
+                                        valueInstance.text = upperValue;
                                     });
 
                                     valueInstance.onEndEdit.AddListener((value) =>
@@ -237,6 +530,32 @@ namespace UVC.Studio.Modal.Settings
                 }
             }
 
+            // Toggle 리스너 정리 및 복제된 Toggle 삭제
+            foreach (var toggle in ctrlToggles)
+            {
+                toggle.onValueChanged.RemoveAllListeners();
+                if (toggle != firstCtrlToggle)
+                {
+                    Destroy(toggle.gameObject);
+                }
+            }
+            foreach (var toggle in shiftToggles)
+            {
+                toggle.onValueChanged.RemoveAllListeners();
+                if (toggle != firstShiftToggle)
+                {
+                    Destroy(toggle.gameObject);
+                }
+            }
+            foreach (var toggle in altToggles)
+            {
+                toggle.onValueChanged.RemoveAllListeners();
+                if (toggle != firstAltToggle)
+                {
+                    Destroy(toggle.gameObject);
+                }
+            }
+
             Debug.Log($"SettingShortcutTabContent OnCloseAsync: changedValue={changedValue} setting == null:{setting == null}");
             if (changedValue && setting != null)
             {
diff --git a/Assets/Scripts/Studio/StudioSceneContext.cs b/Assets/Scripts/Studio/StudioSceneContext.cs
index 8778dcc4..50cb8fcb 100644
--- a/Assets/Scripts/Studio/StudioSceneContext.cs
+++ b/Assets/Scripts/Studio/StudioSceneContext.cs
@@ -19,7 +19,9 @@ namespace UVC.Studio
         [SerializeField] private StudioSideTabBar? sideTabBar;
         [SerializeField] private PropertyWindow? propertyWindow;
         [SerializeField] private TopMenuController? topMenu;
-        [SerializeField] private GameObject? stage;
+        [SerializeField] private GizmoUndoBridge? gizmoUndoBridge;
+        [SerializeField] private UndoRedoManager? undoRedoManager;
+
         /// <summary>
         /// Scene 라이프사이클 서비스들을 등록합니다.
         /// 씬 로드 시 자동 호출되며, 씬 전환 시 자동으로 정리됩니다.
@@ -38,7 +40,9 @@ namespace UVC.Studio
             if(propertyWindow != null) Injector.RegisterInstance<PropertyWindow>(propertyWindow, ServiceLifetime.Scene);
 
             if(topMenu != null) Injector.RegisterInstance<TopMenuController>(topMenu, ServiceLifetime.Scene);
-            if(stage != null) Injector.RegisterInstance<GameObject>(stage, ServiceLifetime.Scene);
+            
+            if(gizmoUndoBridge != null) Injector.RegisterInstance<GizmoUndoBridge>(gizmoUndoBridge, ServiceLifetime.Scene);
+            if(undoRedoManager != null) Injector.RegisterInstance<UndoRedoManager>(undoRedoManager, ServiceLifetime.Scene);
 
             // StageObjectManager 등록
             var stageObjectManager = new StageObjectManager();
diff --git a/Assets/Scripts/Studio/StudioSceneMain.cs b/Assets/Scripts/Studio/StudioSceneMain.cs
index 163e73d3..3b3b58db 100644
--- a/Assets/Scripts/Studio/StudioSceneMain.cs
+++ b/Assets/Scripts/Studio/StudioSceneMain.cs
@@ -1,3 +1,4 @@
+#nullable enable
 using Cysharp.Threading.Tasks;
 using System;
 using System.Collections.Generic;
@@ -26,28 +27,38 @@ namespace UVC.Studio
     public class StudioSceneMain : SingletonScene<StudioSceneMain>
     {
 
-        [Inject]
-        private TopMenuController topMenu;
+        [SerializeField] private GameObject? stage;
+
+        /// <summary>
+        /// Stage GameObject에 대한 외부 접근 프로퍼티
+        /// </summary>
+        public GameObject? Stage => stage;
 
         [Inject]
-        private Toolbox toolBox;
+        private TopMenuController? topMenu;
 
         [Inject]
-        private StudioSideTabBar sideTabBar;
+        private Toolbox? toolBox;
 
         [Inject]
-        private PropertyWindow propertyWindow;
+        private StudioSideTabBar? sideTabBar;
 
         [Inject]
-        private Setting setting;
+        private PropertyWindow? propertyWindow;
 
         [Inject]
-        private SelectionManager selectionManager;
+        private Setting? setting;
+
+        [Inject]
+        private SelectionManager? selectionManager;
+
+        [Inject]
+        private StageObjectManager? stageObjectManager;
 
         // 단축키 관리자
-        private StudioShortcutManager? shortcutManager;
+        private ShortcutManager? shortcutManager;
 
-        public Action Initialized;
+        public Action? Initialized;
 
         /// <summary>
         /// 초기 화 메서드입니다.
@@ -63,14 +74,9 @@ namespace UVC.Studio
 
         private async void OnAppInitialized()
         {
-            // SceneContext 초기화 완료 대기 (Injection이 수행된 후)
-            var sceneCtx = FindAnyObjectByType<StudioSceneContext>();
-            if (sceneCtx != null)
-            {
-                // Injection이 완료될 때까지 대기
-                await sceneCtx.WaitForInitializationAsync();
-                Initialize();
-            }
+            // 초기화 완료 대기 (Injection이 수행된 후)
+            await InjectorAppContext.Instance.WaitForInitializationAsync();
+            Initialize();
         }
 
         private void Initialize()
@@ -78,7 +84,7 @@ namespace UVC.Studio
             SetupTopMenu();
             SetupToolBox();
             SetupShortcutManager();
-            sideTabBar.InitTab();
+            sideTabBar?.InitTab();
 
             // SelectionManager 기즈모 초기화
             if (selectionManager != null)
@@ -101,12 +107,12 @@ namespace UVC.Studio
 
             // Setting에서 단축키 정보 가져오기
             // Scene Injection이 실패할 경우 App 레벨에서 직접 가져오기
-            Setting currentSetting = setting;
+            Setting? currentSetting = setting;
             if (currentSetting == null && InjectorAppContext.Instance != null)
             {
                 currentSetting = InjectorAppContext.Instance.Get<Setting>();
             }
-            MenuShortcuts menuShortcuts = currentSetting?.Data?.shortcuts?.menu;
+            MenuShortcuts? menuShortcuts = currentSetting?.Data?.shortcuts?.menu;
 
             if (menuShortcuts == null)
             {
@@ -116,27 +122,27 @@ namespace UVC.Studio
             // File 메뉴
             topMenu.AddMenuItem(new MenuItemData("file", "menu_file", subMenuItems: new List<MenuItemData>
             {
-                new MenuItemData("file_new", "menu_file_new", new FileNewCommand(), shortcut: menuShortcuts?.newProject?.key),
-                new MenuItemData("file_open", "menu_file_open", new FileOpenCommand(), shortcut: menuShortcuts?.openProject?.key),
-                new MenuItemData("file_save", "menu_file_save", new FileSaveCommand(), shortcut: menuShortcuts?.saveProject?.key),
-                new MenuItemData("file_saveas", "menu_file_save_as", new FileSaveAsCommand(), shortcut: menuShortcuts?.saveAsProject?.key),
-                new MenuItemData("file_insert_db", "menu_file_insert_db", new FileInsertDbCommand(), shortcut: menuShortcuts?.insertDb?.key),
+                new MenuItemData("file_new", "menu_file_new", new FileNewCommand(), shortcut: menuShortcuts?.newProject?.GetDisplayString()),
+                new MenuItemData("file_open", "menu_file_open", new FileOpenCommand(), shortcut: menuShortcuts?.openProject?.GetDisplayString()),
+                new MenuItemData("file_save", "menu_file_save", new FileSaveCommand(), shortcut: menuShortcuts?.saveProject?.GetDisplayString()),
+                new MenuItemData("file_saveas", "menu_file_save_as", new FileSaveAsCommand(), shortcut: menuShortcuts?.saveAsProject?.GetDisplayString()),
+                new MenuItemData("file_insert_db", "menu_file_insert_db", new FileInsertDbCommand(), shortcut: menuShortcuts?.insertDb?.GetDisplayString()),
                 new MenuItemData("file_export", "menu_file_export", subMenuItems: new List<MenuItemData>
                 {
-                    new MenuItemData("file_export_layout", "menu_file_export_layout", new FileExportLayoutCommand(), shortcut: menuShortcuts?.exportLayout?.key),
-                    new MenuItemData("file_export_meta", "menu_file_export_meta", new FileExportMetaCommand(), shortcut: menuShortcuts?.exportMeta?.key),
-                    new MenuItemData("file_export_gltf", "menu_file_export_gltf", new FileExportGltfCommand(), shortcut: menuShortcuts?.exportGltf?.key),
+                    new MenuItemData("file_export_layout", "menu_file_export_layout", new FileExportLayoutCommand(), shortcut: menuShortcuts?.exportLayout?.GetDisplayString()),
+                    new MenuItemData("file_export_meta", "menu_file_export_meta", new FileExportMetaCommand(), shortcut: menuShortcuts?.exportMeta?.GetDisplayString()),
+                    new MenuItemData("file_export_gltf", "menu_file_export_gltf", new FileExportGltfCommand(), shortcut: menuShortcuts?.exportGltf?.GetDisplayString()),
                 }),
             }));
 
             // Edit 메뉴
             topMenu.AddMenuItem(new MenuItemData("edit", "menu_edit", subMenuItems: new List<MenuItemData>
             {
-                new MenuItemData("edit_undo", "menu_edit_undo", new EditUndoCommand(), shortcut: menuShortcuts?.undo?.key),
-                new MenuItemData("edit_redo", "menu_edit_redo", new EditRedoCommand(), shortcut: menuShortcuts?.redo?.key),
-                new MenuItemData("edit_duplicate", "menu_edit_duplicate", new EditDuplicateCommand(), shortcut: menuShortcuts?.duplicate?.key),
-                new MenuItemData("edit_delete", "menu_edit_delete", new EditDeleteCommand(), shortcut: menuShortcuts?.delete?.key),
-                new MenuItemData("edit_create_plane", "menu_edit_create_plane", new EditCreatePlaneCommand(), shortcut: menuShortcuts?.createPlane?.key),
+                new MenuItemData("edit_undo", "menu_edit_undo", new EditUndoCommand(), shortcut: menuShortcuts?.undo?.GetDisplayString()),
+                new MenuItemData("edit_redo", "menu_edit_redo", new EditRedoCommand(), shortcut: menuShortcuts?.redo?.GetDisplayString()),
+                new MenuItemData("edit_duplicate", "menu_edit_duplicate", new EditDuplicateCommand(selectionManager!, stageObjectManager!), shortcut: menuShortcuts?.duplicate?.GetDisplayString()),
+                new MenuItemData("edit_delete", "menu_edit_delete", new EditDeleteCommand(selectionManager!, stageObjectManager!), shortcut: menuShortcuts?.delete?.GetDisplayString()),
+                new MenuItemData("edit_create_plane", "menu_edit_create_plane", new EditCreatePlaneCommand(stageObjectManager!), shortcut: menuShortcuts?.createPlane?.GetDisplayString()),
             }));
 
             // Setting 메뉴
@@ -158,12 +164,12 @@ namespace UVC.Studio
         {
             if (topMenu == null) return;
 
-            Setting currentSetting = setting;
+            Setting? currentSetting = setting;
             if (currentSetting == null && InjectorAppContext.Instance != null)
             {
                 currentSetting = InjectorAppContext.Instance.Get<Setting>();
             }
-            MenuShortcuts menuShortcuts = currentSetting?.Data?.shortcuts?.menu;
+            MenuShortcuts? menuShortcuts = currentSetting?.Data?.shortcuts?.menu;
 
             if (menuShortcuts == null)
             {
@@ -172,21 +178,21 @@ namespace UVC.Studio
             }
 
             // File 메뉴 단축키 업데이트
-            topMenu.SetMenuItemShortcut("file_new", menuShortcuts.newProject?.key);
-            topMenu.SetMenuItemShortcut("file_open", menuShortcuts.openProject?.key);
-            topMenu.SetMenuItemShortcut("file_save", menuShortcuts.saveProject?.key);
-            topMenu.SetMenuItemShortcut("file_saveas", menuShortcuts.saveAsProject?.key);
-            topMenu.SetMenuItemShortcut("file_insert_db", menuShortcuts.insertDb?.key);
-            topMenu.SetMenuItemShortcut("file_export_layout", menuShortcuts.exportLayout?.key);
-            topMenu.SetMenuItemShortcut("file_export_meta", menuShortcuts.exportMeta?.key);
-            topMenu.SetMenuItemShortcut("file_export_gltf", menuShortcuts.exportGltf?.key);
+            topMenu.SetMenuItemShortcut("file_new", menuShortcuts.newProject?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_open", menuShortcuts.openProject?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_save", menuShortcuts.saveProject?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_saveas", menuShortcuts.saveAsProject?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_insert_db", menuShortcuts.insertDb?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_export_layout", menuShortcuts.exportLayout?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_export_meta", menuShortcuts.exportMeta?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("file_export_gltf", menuShortcuts.exportGltf?.GetDisplayString());
 
             // Edit 메뉴 단축키 업데이트
-            topMenu.SetMenuItemShortcut("edit_undo", menuShortcuts.undo?.key);
-            topMenu.SetMenuItemShortcut("edit_redo", menuShortcuts.redo?.key);
-            topMenu.SetMenuItemShortcut("edit_duplicate", menuShortcuts.duplicate?.key);
-            topMenu.SetMenuItemShortcut("edit_delete", menuShortcuts.delete?.key);
-            topMenu.SetMenuItemShortcut("edit_create_plane", menuShortcuts.createPlane?.key);
+            topMenu.SetMenuItemShortcut("edit_undo", menuShortcuts.undo?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("edit_redo", menuShortcuts.redo?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("edit_duplicate", menuShortcuts.duplicate?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("edit_delete", menuShortcuts.delete?.GetDisplayString());
+            topMenu.SetMenuItemShortcut("edit_create_plane", menuShortcuts.createPlane?.GetDisplayString());
 
             // ShortcutManager 갱신
             shortcutManager?.RefreshShortcuts();
@@ -200,16 +206,16 @@ namespace UVC.Studio
         private void SetupShortcutManager()
         {
             // StudioShortcutManager 생성 또는 가져오기
-            shortcutManager = StudioShortcutManager.Instance;
+            shortcutManager = ShortcutManager.Instance;
             if (shortcutManager == null)
             {
                 var go = new GameObject("StudioShortcutManager");
-                shortcutManager = go.AddComponent<StudioShortcutManager>();
+                shortcutManager = go.AddComponent<ShortcutManager>();
                 DontDestroyOnLoad(go);
             }
 
             // Setting 주입
-            Setting currentSetting = setting;
+            Setting? currentSetting = setting;
             if (currentSetting == null && InjectorAppContext.Instance != null)
             {
                 currentSetting = InjectorAppContext.Instance.Get<Setting>();
@@ -248,9 +254,9 @@ namespace UVC.Studio
             // Edit 메뉴
             shortcutManager.RegisterMenuShortcut("undo", new EditUndoCommand());
             shortcutManager.RegisterMenuShortcut("redo", new EditRedoCommand());
-            shortcutManager.RegisterMenuShortcut("duplicate", new EditDuplicateCommand());
-            shortcutManager.RegisterMenuShortcut("delete", new EditDeleteCommand());
-            shortcutManager.RegisterMenuShortcut("createPlane", new EditCreatePlaneCommand());
+            shortcutManager.RegisterMenuShortcut("duplicate", new EditDuplicateCommand(selectionManager!, stageObjectManager!));
+            shortcutManager.RegisterMenuShortcut("delete", new EditDeleteCommand(selectionManager!, stageObjectManager!));
+            shortcutManager.RegisterMenuShortcut("createPlane", new EditCreatePlaneCommand(stageObjectManager!));
         }
 
         /// <summary>
@@ -328,19 +334,19 @@ namespace UVC.Studio
                 "Studio/Images/toolbar_icon_save_on_40",
                 "Studio/Images/toolbar_icon_save_off_40",
                 onToggle: (isSelected) => Debug.Log($"화면 녹화 상태: {(isSelected ? "녹화 중" : "중지")} (OnToggle 콜백)"),
-                command: new DebugLogCommand("저장 버튼 클릭됨 (Command 실행)"),
+                command: new FileSaveCommand(),
                 tooltip: "tooltip_save");
 
             // undo
             toolbarModel.AddStandardButton("button_undo",
                 "Studio/Images/toolbar_icon_undo_40",
-                command: new DebugLogCommand("되돌리기 버튼 클릭됨"),
+                command: new EditUndoCommand(),
                 tooltip: "tooltip_undo");
 
             // redo
             toolbarModel.AddStandardButton("button_redo",
                 "Studio/Images/toolbar_icon_redo_40",
-                command: new DebugLogCommand("다시 실행 버튼 클릭됨"),
+                command: new EditRedoCommand(),
                 tooltip: "tooltip_redo");
 
             toolbarModel.AddSeparator();
@@ -399,9 +405,15 @@ namespace UVC.Studio
             //duplicate
             toolbarModel.AddStandardButton("button_duplicate",
                 "Studio/Images/toolbar_icon_duplicate_40",
-                command: new DebugLogCommand("duplicate 버튼 클릭됨"),
+                command: new EditDuplicateCommand(selectionManager!, stageObjectManager!),
                 tooltip: "tooltip_duplicate");
 
+            //delete
+            toolbarModel.AddStandardButton("button_delete",
+                "Studio/Images/toolbar_icon_delete_40",
+                command: new EditDeleteCommand(selectionManager!, stageObjectManager!),
+                tooltip: "tooltip_delete");
+
             //align
             var alignBtnModel = new ToolbarExpandableButton
             {
@@ -528,10 +540,10 @@ namespace UVC.Studio
 
             // --- 툴바 모델 구성 끝 ---
 
-            toolBox.SetData(toolbarModel);
-            toolBox.Initialize();
+            toolBox?.SetData(toolbarModel);
+            toolBox?.Initialize();
 
-            toolBox.OnAction += (itemModel) =>
+            toolBox!.OnAction += (itemModel) =>
             {
                 Debug.Log($"툴박스 아이템 '{itemModel.Text}' 실행됨 (OnAction 콜백). 추가 동작 로직 실행 가능.");
                 if (itemModel.ActionType == ToolbarActionType.Radio)
diff --git a/Assets/Scripts/Studio/Tab/StudioSideTabBarAccordion.cs b/Assets/Scripts/Studio/Tab/StudioSideTabBarAccordion.cs
index 2e520c43..a20a1988 100644
--- a/Assets/Scripts/Studio/Tab/StudioSideTabBarAccordion.cs
+++ b/Assets/Scripts/Studio/Tab/StudioSideTabBarAccordion.cs
@@ -90,8 +90,8 @@ namespace UVC.Studio.Tab
 
             library = InjectorAppContext.Instance.Get<Library>();
             stageObjectManager = InjectorAppContext.Instance.Get<StageObjectManager>();
-            stage = InjectorAppContext.Instance.Get<GameObject>();
-            stageRoot = stage?.transform;
+            stage = StudioSceneMain.Instance != null ? StudioSceneMain.Instance.Stage : null;
+            stageRoot = stage != null ? stage.transform : null;
 
             SetupData();
             SetupEvents();
diff --git a/Assets/Scripts/Studio/Tab/StudioSideTabBarHierarchy.cs b/Assets/Scripts/Studio/Tab/StudioSideTabBarHierarchy.cs
index d1a42778..96324c0f 100644
--- a/Assets/Scripts/Studio/Tab/StudioSideTabBarHierarchy.cs
+++ b/Assets/Scripts/Studio/Tab/StudioSideTabBarHierarchy.cs
@@ -55,6 +55,8 @@ namespace UVC.Studio.Tab
             hierarchyWindow.OnItemSelected += OnItemSelectedHandler;
             hierarchyWindow.OnItemDeselected += OnItemDeselectedHandler;
             hierarchyWindow.OnItemVisibilityChanged += OnItemVisibilityChangedHandler;
+            hierarchyWindow.OnItemDeleted += OnItemDeletedHandler;
+            hierarchyWindow.OnItemDoubleClicked += OnItemDoubleClickedHandler;
 
             //다른 클래스에서 이 컴포넌트를 주입 받을 수 있도록 등록
             InjectorAppContext.Instance.Injector.RegisterInstance<StudioSideTabBarHierarchy>(this, ServiceLifetime.Scene);
@@ -133,10 +135,90 @@ namespace UVC.Studio.Tab
         {
             Debug.Log($"[StudioSideTabBarHierarchy] Item visibility changed: {item.Name} (ExternalKey: {item.ExternalKey}), IsVisible: {isVisible}");
 
-            if (_selectionManager == null || string.IsNullOrEmpty(item.ExternalKey)) return;
+            // ExternalKey가 있으면 루트 StageObject 가시성 설정
+            if (!string.IsNullOrEmpty(item.ExternalKey))
+            {
+                // SelectionManager를 통해 객체 가시성 설정
+                _selectionManager?.SetVisibilityById(item.ExternalKey, isVisible);
+            }
+            // ExternalKey가 없으면 자식 항목 - 직접 GameObject 가시성 설정
+            else if (item.Tag is Transform childTransform)
+            {
+                if (childTransform != null && childTransform.gameObject != null)
+                {
+                    childTransform.gameObject.SetActive(isVisible);
+                    Debug.Log($"[StudioSideTabBarHierarchy] Set child GameObject active: {childTransform.name} = {isVisible}");
+                }
+            }
+        }
 
-            // SelectionManager를 통해 객체 가시성 설정
-            _selectionManager.SetVisibilityById(item.ExternalKey, isVisible);
+        /// <summary>
+        /// HierarchyWindow에서 아이템이 삭제되었을 때 호출 (Delete 키)
+        /// StageObjectManager를 통해 실제 모델을 삭제하고 PropertyWindow를 정리
+        /// </summary>
+        private void OnItemDeletedHandler(TreeListItemData item)
+        {
+            Debug.Log($"[StudioSideTabBarHierarchy] Item deleted: {item.Name} (ExternalKey: {item.ExternalKey})");
+
+            // ExternalKey가 있으면 루트 StageObject 삭제
+            if (!string.IsNullOrEmpty(item.ExternalKey))
+            {
+                // 매핑에서 제거
+                _stageObjectToTreeItem.Remove(item.ExternalKey);
+
+                // SelectionManager를 통해 선택 해제 (PropertyWindow 정리됨)
+                _selectionManager?.DeselectById(item.ExternalKey);
+
+                // StageObjectManager를 통해 실제 모델 삭제
+                _stageObjectManager?.Unregister(item.ExternalKey);
+            }
+            // ExternalKey가 없으면 자식 항목 - 실제 GameObject 삭제 및 PropertyWindow 정리
+            else if (item.Tag is Transform childTransform)
+            {
+                // PropertyWindow 표시 초기화
+                _selectionManager?.ClearChildTransformDisplay();
+
+                // 실제 GameObject 삭제
+                if (childTransform != null && childTransform.gameObject != null)
+                {
+                    Debug.Log($"[StudioSideTabBarHierarchy] Destroying child GameObject: {childTransform.name}");
+                    Destroy(childTransform.gameObject);
+                }
+            }
+        }
+
+        /// <summary>
+        /// HierarchyWindow에서 아이템이 더블클릭되었을 때 호출
+        /// StageObjectManager.Focus를 통해 해당 객체로 카메라 포커스 이동
+        /// </summary>
+        private void OnItemDoubleClickedHandler(TreeListItemData item)
+        {
+            Debug.Log($"[StudioSideTabBarHierarchy] Item double clicked: {item.Name} (ExternalKey: {item.ExternalKey})");
+
+            if (_stageObjectManager == null) return;
+
+            // ExternalKey가 있으면 ID로 포커스
+            if (!string.IsNullOrEmpty(item.ExternalKey))
+            {
+                _stageObjectManager.Focus(item.ExternalKey);
+            }
+            // ExternalKey가 없으면 자식 항목 - Tag에서 Transform의 GameObject로 포커스
+            else if (item.Tag is Transform childTransform && childTransform.gameObject != null)
+            {
+                _stageObjectManager.Focus(childTransform.gameObject);
+            }
+        }
+
+        /// <summary>
+        /// HierarchyWindow의 선택을 해제합니다.
+        /// SelectionManager에서 빈 공간 클릭 시 호출됩니다.
+        /// </summary>
+        public void ClearSelection()
+        {
+            if (hierarchyWindow != null)
+            {
+                hierarchyWindow.ClearSelection();
+            }
         }
 
         protected async void Start()
@@ -416,6 +498,8 @@ namespace UVC.Studio.Tab
                 hierarchyWindow.OnItemSelected -= OnItemSelectedHandler;
                 hierarchyWindow.OnItemDeselected -= OnItemDeselectedHandler;
                 hierarchyWindow.OnItemVisibilityChanged -= OnItemVisibilityChangedHandler;
+                hierarchyWindow.OnItemDeleted -= OnItemDeletedHandler;
+                hierarchyWindow.OnItemDoubleClicked -= OnItemDoubleClickedHandler;
             }
 
             // StageObjectManager 이벤트 구독 해제
diff --git a/Assets/Scripts/UVC/UI/Commands/IUndoableCommand.cs b/Assets/Scripts/UVC/UI/Commands/IUndoableCommand.cs
new file mode 100644
index 00000000..5d8d2e9b
--- /dev/null
+++ b/Assets/Scripts/UVC/UI/Commands/IUndoableCommand.cs
@@ -0,0 +1,22 @@
+#nullable enable
+namespace UVC.UI.Commands
+{
+    /// <summary>
+    /// Undo/Redo 가능한 Command 인터페이스
+    /// ICommand + IUndoable 통합
+    /// </summary>
+    public interface IUndoableCommand : ICommand, IUndoable
+    {
+        /// <summary>작업 설명 (UI 표시용, 예: "객체 복제", "Node 삭제")</summary>
+        string Description { get; }
+
+        /// <summary>다시 실행</summary>
+        void Redo();
+
+        /// <summary>연속 동작 병합 가능 여부 (예: 연속 Transform 변경)</summary>
+        bool CanMerge(IUndoableCommand other);
+
+        /// <summary>연속 동작 병합</summary>
+        void Merge(IUndoableCommand other);
+    }
+}
diff --git a/Assets/Scripts/UVC/UI/Commands/IUndoableCommand.cs.meta b/Assets/Scripts/UVC/UI/Commands/IUndoableCommand.cs.meta
new file mode 100644
index 00000000..9c54a9bc
--- /dev/null
+++ b/Assets/Scripts/UVC/UI/Commands/IUndoableCommand.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 269f16afecf878047ae53d4bac753753
\ No newline at end of file
diff --git a/Assets/Scripts/UVC/UI/List/Tree/TreeList.cs b/Assets/Scripts/UVC/UI/List/Tree/TreeList.cs
index 55926b60..3522d9f6 100644
--- a/Assets/Scripts/UVC/UI/List/Tree/TreeList.cs
+++ b/Assets/Scripts/UVC/UI/List/Tree/TreeList.cs
@@ -3,21 +3,23 @@ using Cysharp.Threading.Tasks;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using TMPro;
 using UnityEngine;
+using UnityEngine.EventSystems;
 using UVC.UI.Modal.DatePicker;
 
 namespace UVC.UI.List.Tree
 {
     /// <summary>
     /// 트리 구조의 리스트를 관리하고 제어하는 클래스입니다.
-    /// 
+    ///
     /// 주요 기능:
     ///   - 계층 구조 아이템의 추가/제거 관리
     ///   - 단일 및 다중 선택 지원 (파일 탐색기와 동일)
     ///   - 키보드 입력(Delete, 화살표, Ctrl, Shift) 처리
     ///   - 드래그 & 드롭 기능 지원
     ///   - 선택 상태 변경 이벤트 제공
-    /// 
+    ///
     /// 선택 동작:
     ///   - 클릭: 한 항목 선택
     ///   - Ctrl+클릭: 여러 항목 선택 (기존 선택 유지)
@@ -135,6 +137,12 @@ namespace UVC.UI.List.Tree
         /// </summary>
         public Action<TreeListItemData, bool>? OnItemVisibilityChanged;
 
+        /// <summary>
+        /// 아이템 더블클릭 이벤트 (data)
+        /// TreeListItem이 더블클릭될 때 호출됩니다.
+        /// </summary>
+        public Action<TreeListItemData>? OnItemDoubleClicked;
+
         /// <summary>
         /// 현재 선택된 아이템 목록 (읽기 전용)
         /// </summary>
@@ -320,6 +328,9 @@ namespace UVC.UI.List.Tree
 
         protected void Update()
         {
+            // 입력 필드에 포커스가 있으면 키보드 입력 무시
+            if (IsInputFieldFocused()) return;
+
             // Escape 키 입력 감지 - 선택 해제
             if (Input.GetKeyDown(KeyCode.Escape))
             {
@@ -355,6 +366,36 @@ namespace UVC.UI.List.Tree
             }
         }
 
+        /// <summary>
+        /// 입력 필드에 포커스가 있는지 확인합니다.
+        /// </summary>
+        private bool IsInputFieldFocused()
+        {
+            var eventSystem = EventSystem.current;
+            if (eventSystem == null) return false;
+
+            var selected = eventSystem.currentSelectedGameObject;
+            if (selected == null) return false;
+
+            // TMP_InputField 확인 (자기 자신 및 부모 계층에서 검색)
+            var tmpInput = selected.GetComponent<TMP_InputField>();
+            if (tmpInput == null)
+            {
+                tmpInput = selected.GetComponentInParent<TMP_InputField>();
+            }
+            if (tmpInput != null && tmpInput.isFocused) return true;
+
+            // Legacy InputField 확인 (자기 자신 및 부모 계층에서 검색)
+            var legacyInput = selected.GetComponent<UnityEngine.UI.InputField>();
+            if (legacyInput == null)
+            {
+                legacyInput = selected.GetComponentInParent<UnityEngine.UI.InputField>();
+            }
+            if (legacyInput != null && legacyInput.isFocused) return true;
+
+            return false;
+        }
+
         /// <summary>
         /// View 등록(데이터↔View 맵). Init 시점에 호출됩니다.
         /// </summary>
@@ -444,9 +485,11 @@ namespace UVC.UI.List.Tree
             // 디버그 로그
             //Debug.Log($"Delete key pressed. Removing {itemsToDelete.Count} selected item(s).");
 
-            // 각 선택된 아이템을 삭제
+            // 각 선택된 아이템에 대해 삭제 이벤트 발생 후 삭제
             foreach (var item in itemsToDelete)
             {
+                // 삭제 전 이벤트 발생 (View 업데이트 + 외부에서 연관 데이터 정리 가능)
+                NotifyDataChanged(item, ChangedType.Delete, item);
                 DeleteItem(item);
             }
 
diff --git a/Assets/Scripts/UVC/UI/List/Tree/TreeListItem.cs b/Assets/Scripts/UVC/UI/List/Tree/TreeListItem.cs
index 23853480..40c1f6ea 100644
--- a/Assets/Scripts/UVC/UI/List/Tree/TreeListItem.cs
+++ b/Assets/Scripts/UVC/UI/List/Tree/TreeListItem.cs
@@ -100,6 +100,16 @@ namespace UVC.UI.List.Tree
 
         protected VerticalLayoutGroup? childRootLayoutGroup = null;
 
+        /// <summary>
+        /// 마지막 클릭 시간 (더블클릭 감지용)
+        /// </summary>
+        protected float _lastClickTime = 0f;
+
+        /// <summary>
+        /// 더블클릭 감지 시간 간격 (초)
+        /// </summary>
+        protected const float DoubleClickThreshold = 0.3f;
+
         #endregion
 
         #region 초기화 (Initialization)
@@ -456,11 +466,23 @@ namespace UVC.UI.List.Tree
         ///   - TreeList의 OnItemClickAction 이벤트 실행
         ///   - Ctrl/Shift 상태를 읽어 TreeList에 전달
         ///     (일반/토글/범위 선택)
+        ///   - 더블클릭 감지 시 OnItemDoubleClicked 이벤트 실행
         /// </summary>
         protected void OnItemClicked()
         {
             if (data == null) return;
 
+            // 더블클릭 감지
+            float currentTime = Time.unscaledTime;
+            if (currentTime - _lastClickTime <= DoubleClickThreshold)
+            {
+                // 더블클릭 이벤트 발생
+                treeList.OnItemDoubleClicked?.Invoke(data);
+                _lastClickTime = 0f; // 연속 더블클릭 방지를 위해 초기화
+                return; // 더블클릭 시 일반 클릭 처리 스킵
+            }
+            _lastClickTime = currentTime;
+
             // 1. TreeList의 클릭 액션 이벤트 실행
             treeList.OnItemClickAction?.Invoke(data);
 
diff --git a/Assets/Scripts/UVC/UI/List/Tree/TreeListItemData.cs b/Assets/Scripts/UVC/UI/List/Tree/TreeListItemData.cs
index 5126c747..0a9e790b 100644
--- a/Assets/Scripts/UVC/UI/List/Tree/TreeListItemData.cs
+++ b/Assets/Scripts/UVC/UI/List/Tree/TreeListItemData.cs
@@ -351,5 +351,6 @@ namespace UVC.UI.List.Tree
         AddCloneAtChild,
         SwapChild,
         TailButtons,// 향후 버튼 관련 변경 추가 가능
+        Delete, // 아이템 삭제 (Delete 키로 삭제 시)
     }
 }
\ No newline at end of file
diff --git a/Assets/Scripts/UVC/UI/Menu/TopMenuController.cs b/Assets/Scripts/UVC/UI/Menu/TopMenuController.cs
index 45978621..36ec806d 100644
--- a/Assets/Scripts/UVC/UI/Menu/TopMenuController.cs
+++ b/Assets/Scripts/UVC/UI/Menu/TopMenuController.cs
@@ -199,6 +199,7 @@ namespace UVC.UI.Menu
         /// <see cref="TopMenuView.OnMenuItemClicked"/> 이벤트가 발생했을 때 호출되는 핸들러입니다.
         /// 클릭된 메뉴 아이템(<paramref name="clickedItemData"/>)의 유효성을 검사하고,
         /// 연결된 <see cref="ICommand"/>를 실행합니다.
+        /// IUndoableCommand인 경우 Undo/Redo 히스토리에 기록됩니다.
         /// </summary>
         /// <param name="clickedItemData">사용자가 클릭한 메뉴 아이템의 데이터입니다.</param>
         protected virtual void HandleMenuItemClicked(MenuItemData clickedItemData)
@@ -223,9 +224,35 @@ namespace UVC.UI.Menu
             // 클릭된 메뉴 아이템 정보 로그 (디버깅 목적)
             ULog.Debug($"메뉴 아이템 클릭됨: {clickedItemData.ItemId} (표시 키: {clickedItemData.DisplayName})");
 
-            // 메뉴 아이템에 연결된 Command가 있다면 실행
-            // Command가 null일 수 있으므로 null 조건부 연산자(?.) 사용
-            clickedItemData.Command?.Execute(clickedItemData.CommandParameter);
+            // 메뉴 아이템에 연결된 Command 실행
+            ExecuteCommand(clickedItemData.Command, clickedItemData.CommandParameter);
+        }
+
+        /// <summary>
+        /// Command를 실행합니다.
+        /// IUndoableCommand인 경우 UndoRedoManager를 통해 실행하여 히스토리에 기록합니다.
+        /// 일반 ICommand인 경우 직접 실행합니다.
+        /// </summary>
+        /// <param name="command">실행할 Command</param>
+        /// <param name="parameter">Command 파라미터</param>
+        protected virtual void ExecuteCommand(ICommand command, object parameter = null)
+        {
+            if (command == null) return;
+
+            // IUndoableCommand인 경우 UndoRedoManager를 통해 실행
+            if (command is IUndoableCommand undoableCommand)
+            {
+                // UndoRedoManager가 존재하는지 확인 (Studio 씬에서만 사용 가능)
+                var undoRedoManager = FindAnyObjectByType<UVC.Studio.Manager.UndoRedoManager>();
+                if (undoRedoManager != null)
+                {
+                    undoRedoManager.ExecuteCommand(undoableCommand, parameter);
+                    return;
+                }
+            }
+
+            // 일반 ICommand이거나 UndoRedoManager가 없는 경우 직접 실행
+            command.Execute(parameter);
         }
 
         /// <summary>
diff --git a/Assets/Scripts/UVC/UI/Modal/ModalView.cs b/Assets/Scripts/UVC/UI/Modal/ModalView.cs
index 89bc0843..fcafbd1f 100644
--- a/Assets/Scripts/UVC/UI/Modal/ModalView.cs
+++ b/Assets/Scripts/UVC/UI/Modal/ModalView.cs
@@ -5,6 +5,7 @@ using UnityEngine;
 using UnityEngine.UI;
 using UVC.Extention;
 using UVC.Log;
+using UVC.Studio.Manager;
 
 namespace UVC.UI.Modal
 {
@@ -119,6 +120,12 @@ namespace UVC.UI.Modal
         {
             //ULog.Debug($"[ModalView] {gameObject.name} OnOpen called.");
 
+            // 모달이 열리면 단축키 비활성화
+            if (ShortcutManager.Instance != null)
+            {
+                ShortcutManager.Instance.GlobalEnabled = false;
+            }
+
             // ModalContent 레시피에 적힌 대로 UI 요소들을 설정해요.
             if (titleText != null && content != null)
             {
@@ -177,6 +184,13 @@ namespace UVC.UI.Modal
         public virtual async UniTask OnClose(ModalContent content)
         {
             //ULog.Debug($"[ModalView] {gameObject.name} OnClose called.");
+
+            // 모달이 닫히면 단축키 다시 활성화
+            if (ShortcutManager.Instance != null)
+            {
+                ShortcutManager.Instance.GlobalEnabled = true;
+            }
+
             // 예: 모달에서 사용했던 리소스를 해제하거나, UI 상태를 초기화하는 코드를 여기에 넣을 수 있어요.
             await UniTask.CompletedTask;
         }
diff --git a/Assets/Scripts/UVC/UI/ToolBar/Model/ToolbarButtonBase.cs b/Assets/Scripts/UVC/UI/ToolBar/Model/ToolbarButtonBase.cs
index 820c0965..b4ba0e5d 100644
--- a/Assets/Scripts/UVC/UI/ToolBar/Model/ToolbarButtonBase.cs
+++ b/Assets/Scripts/UVC/UI/ToolBar/Model/ToolbarButtonBase.cs
@@ -192,6 +192,7 @@ namespace UVC.UI.Toolbar.Model
         /// 버튼 클릭 로직을 실행합니다.
         /// 이 메서드는 일반적으로 UI 시스템(예: Unity UI의 Button.onClick 이벤트)에 의해 호출되도록 설계됩니다.
         /// 버튼이 활성화(IsEnabled == true)되어 있고 ClickCommand가 할당되어 있다면, 해당 커맨드를 실행합니다.
+        /// IUndoableCommand인 경우 UndoRedoManager를 통해 실행하여 Undo/Redo 히스토리에 기록됩니다.
         /// 파생 클래스에서 이 메서드를 재정의하여 특정 버튼 타입에 맞는 추가적인 클릭 동작을 구현할 수 있습니다.
         /// </summary>
         /// <param name="parameter">ClickCommand에 전달할 선택적 파라미터입니다.</param>
@@ -199,7 +200,30 @@ namespace UVC.UI.Toolbar.Model
         {
             if (!IsEnabled) return;
 
-            ClickCommand?.Execute(parameter); // 커맨드에 파라미터 전달
+            if (ClickCommand != null)
+            {
+                // IUndoableCommand인 경우 UndoRedoManager를 통해 실행
+                if (ClickCommand is IUndoableCommand undoableCommand)
+                {
+                    // UndoRedoManager가 존재하는지 확인 (Studio 씬에서만 사용 가능)
+                    var undoRedoManager = UnityEngine.Object.FindAnyObjectByType<UVC.Studio.Manager.UndoRedoManager>();
+                    if (undoRedoManager != null)
+                    {
+                        undoRedoManager.ExecuteCommand(undoableCommand, parameter);
+                    }
+                    else
+                    {
+                        // UndoRedoManager가 없으면 직접 실행
+                        ClickCommand.Execute(parameter);
+                    }
+                }
+                else
+                {
+                    // 일반 ICommand는 직접 실행
+                    ClickCommand.Execute(parameter);
+                }
+            }
+
             OnClicked?.Invoke(); // 클릭 이벤트 발생
         }
 
diff --git a/Assets/Scripts/UVC/UI/Window/HierarchyWindow.cs b/Assets/Scripts/UVC/UI/Window/HierarchyWindow.cs
index 8647293f..68351153 100644
--- a/Assets/Scripts/UVC/UI/Window/HierarchyWindow.cs
+++ b/Assets/Scripts/UVC/UI/Window/HierarchyWindow.cs
@@ -13,13 +13,13 @@ namespace UVC.UI.Window
 {
     /// <summary>
     /// 계층 데이터를 표시/검색/선택하는 창(View)입니다.
-    /// 
+    ///
     /// 책임:
     /// - 메인 트리(`treeList`)와 검색 트리(`treeListSearch`)를 관리
     /// - 입력창으로 검색을 수행하고 결과를 검색 트리에 표시(청크 처리 + 로딩 애니메이션)
     /// - `TreeList.OnItemSelectionChanged`를 구독해 외부로 선택/해제 이벤트를 전달
     /// - 외부에서 호출 가능한 간단한 항목 추가/삭제 API 제공(실제 렌더링/상태는 `TreeList`가 담당)
-    /// 
+    ///
     /// 사용 예:
     /// <example>
     /// <![CDATA[
@@ -65,6 +65,16 @@ namespace UVC.UI.Window
         /// </summary>
         public System.Action<TreeListItemData, bool>? OnItemVisibilityChanged;
 
+        /// <summary>
+        /// 메인/검색 리스트에서 항목이 삭제될 때 발생합니다 (Delete 키).
+        /// </summary>
+        public System.Action<TreeListItemData>? OnItemDeleted;
+
+        /// <summary>
+        /// 메인/검색 리스트에서 항목이 더블클릭될 때 발생합니다.
+        /// </summary>
+        public System.Action<TreeListItemData>? OnItemDoubleClicked;
+
         // 검색 목록에서 선택된 항목(클론된 데이터)
         protected TreeListItemData? selectedSearchItem;
 
@@ -97,6 +107,8 @@ namespace UVC.UI.Window
             {
                 treeList.OnItemSelectionChanged += HandleMainSelectionChanged;
                 treeList.OnItemVisibilityChanged += HandleMainVisibilityChanged;
+                treeList.OnItemDataChanged += HandleMainDataChanged;
+                treeList.OnItemDoubleClicked += HandleMainDoubleClicked;
             }
 
             // 검색 리스트의 선택 변경을 감지 (선택 결과를 원본 트리에 반영하는 용도)
@@ -104,6 +116,8 @@ namespace UVC.UI.Window
             {
                 treeListSearch.OnItemSelectionChanged += OnSearchSelectionChanged;
                 treeListSearch.OnItemVisibilityChanged += HandleMainVisibilityChanged;
+                treeListSearch.OnItemDataChanged += HandleMainDataChanged;
+                treeListSearch.OnItemDoubleClicked += HandleMainDoubleClicked;
             }
 
             clearTextButton.onClick.AddListener(() =>
@@ -362,6 +376,20 @@ namespace UVC.UI.Window
             OnItemVisibilityChanged?.Invoke(data, isVisible);
         }
 
+        protected void HandleMainDataChanged(ChangedType changedType, TreeListItemData data, int index)
+        {
+            // Delete 키로 삭제된 경우 외부 이벤트 발생
+            if (changedType == ChangedType.Delete)
+            {
+                OnItemDeleted?.Invoke(data);
+            }
+        }
+
+        protected void HandleMainDoubleClicked(TreeListItemData data)
+        {
+            OnItemDoubleClicked?.Invoke(data);
+        }
+
         protected void OnInputFieldSubmit(string text)
         {
             // 검색어가 있으면 검색 결과 목록 표시
@@ -502,17 +530,23 @@ namespace UVC.UI.Window
             {
                 treeListSearch.OnItemSelectionChanged -= OnSearchSelectionChanged;
                 treeListSearch.OnItemVisibilityChanged -= HandleMainVisibilityChanged;
+                treeListSearch.OnItemDataChanged -= HandleMainDataChanged;
+                treeListSearch.OnItemDoubleClicked -= HandleMainDoubleClicked;
             }
 
             if (treeList != null)
             {
                 treeList.OnItemSelectionChanged -= HandleMainSelectionChanged;
                 treeList.OnItemVisibilityChanged -= HandleMainVisibilityChanged;
+                treeList.OnItemDataChanged -= HandleMainDataChanged;
+                treeList.OnItemDoubleClicked -= HandleMainDoubleClicked;
             }
 
             // 4. 외부 이벤트 핸들러 정리
             OnItemSelected = null;
             OnItemDeselected = null;
+            OnItemDeleted = null;
+            OnItemDoubleClicked = null;
 
             // 5. 참조 정리
             selectedSearchItem = null;
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/IPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/IPropertyUI.cs
index 721e6cba..71cb050f 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/IPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/IPropertyUI.cs
@@ -17,5 +17,12 @@ namespace UVC.UI.Window.PropertyWindow
         /// </summary>
         /// <param name="isReadOnly">읽기 전용 여부 (true: 비활성화, false: 활성화)</param>
         void SetReadOnly(bool isReadOnly);
+
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// Undo/Redo 시 PropertyValueChanged 이벤트 없이 값을 반영할 때 사용됩니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        void UpdateValue(object value);
     }
 }
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyView.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyView.cs
index 39cbe59e..c01cd53e 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyView.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyView.cs
@@ -376,5 +376,27 @@ namespace UVC.UI.Window.PropertyWindow
         }
 
         #endregion
+
+        #region Property Value Update
+
+        /// <summary>
+        /// 특정 속성 아이템의 값을 UI에 반영합니다.
+        /// Undo/Redo 시 PropertyValueChanged 이벤트 없이 값을 반영할 때 사용됩니다.
+        /// </summary>
+        /// <param name="propertyId">속성 아이템의 ID</param>
+        /// <param name="value">새로운 값</param>
+        public void UpdatePropertyValue(string propertyId, object value)
+        {
+            if (_itemViews.TryGetValue(propertyId, out var itemView) && itemView != null)
+            {
+                var propertyUI = itemView.GetComponent<IPropertyUI>();
+                if (propertyUI != null)
+                {
+                    propertyUI.UpdateValue(value);
+                }
+            }
+        }
+
+        #endregion
     }
 }
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyWindow.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyWindow.cs
index 15a4dcf9..181d05b0 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyWindow.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/PropertyWindow.cs
@@ -457,6 +457,36 @@ namespace UVC.UI.Window.PropertyWindow
             PropertyValueChanged?.Invoke(this, new PropertyValueChangedEventArgs(propertyId, propertyType, oldValue, newValue));
         }
 
+        /// <summary>
+        /// 특정 ID를 가진 속성의 값을 설정합니다.
+        /// 이 메서드는 Undo/Redo 시 값을 복원할 때 사용됩니다.
+        /// PropertyValueChanged 이벤트를 발생시키지 않습니다.
+        /// </summary>
+        /// <param name="propertyId">값을 변경할 속성의 고유 ID</param>
+        /// <param name="value">새로운 값</param>
+        /// <returns>값이 성공적으로 설정되었는지 여부</returns>
+        public bool SetPropertyValue(string propertyId, object? value)
+        {
+            if (!_itemIndex.TryGetValue(propertyId, out var propertyItem))
+            {
+                Debug.LogWarning($"[PropertyWindow] ID '{propertyId}'에 해당하는 속성을 찾을 수 없습니다.");
+                return false;
+            }
+
+            if (value != null)
+            {
+                propertyItem.SetValue(value);
+
+                // View에 값 반영 (UI 업데이트)
+                if (_view != null)
+                {
+                    _view.UpdatePropertyValue(propertyId, value);
+                }
+            }
+
+            return true;
+        }
+
         #endregion
 
         #region Internal Helpers
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/BoolPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/BoolPropertyUI.cs
index 34aa53b6..2790f761 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/BoolPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/BoolPropertyUI.cs
@@ -111,6 +111,18 @@ namespace UVC.UI.Window.PropertyWindow.UI
             }
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (_valueToggle != null && value is bool boolValue)
+            {
+                _valueToggle.SetIsOnWithoutNotify(boolValue);
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// 메모리 누수를 방지하기 위해 등록된 리스너를 제거합니다.
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorPropertyUI.cs
index 8b418456..5a2e8fd4 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorPropertyUI.cs
@@ -144,6 +144,19 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_colorPickerButton != null) _colorPickerButton.gameObject.SetActive(!isReadOnly);
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Color colorValue)
+            {
+                if (_colorPreviewImage != null) _colorPreviewImage.color = colorValue;
+                if (_colorLabel != null) _colorLabel.SetTextWithoutNotify(ColorUtil.ToHex(colorValue, true, false));
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorStatePropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorStatePropertyUI.cs
index 67a3b294..3dcb9de1 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorStatePropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ColorStatePropertyUI.cs
@@ -204,6 +204,23 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_colorPickerButton != null) _colorPickerButton.gameObject.SetActive(!isReadOnly);
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Tuple<string, string, Color?> colorStateValue)
+            {
+                if (_stateLabel != null) _stateLabel.SetTextWithoutNotify(colorStateValue.Item2);
+                if (colorStateValue.Item3.HasValue)
+                {
+                    if (_colorPreviewImage != null) _colorPreviewImage.color = colorStateValue.Item3.Value;
+                    if (_colorLabel != null) _colorLabel.SetTextWithoutNotify(ColorUtil.ToHex(colorStateValue.Item3.Value, true, false));
+                }
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DatePropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DatePropertyUI.cs
index fae695bf..238713ef 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DatePropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DatePropertyUI.cs
@@ -128,6 +128,18 @@ namespace UVC.UI.Window.PropertyWindow.UI
             }
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is DateTime dateValue && _dateText != null)
+            {
+                _dateText.SetTextWithoutNotify(dateValue.ToString(DateFormat));
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateRangePropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateRangePropertyUI.cs
index b9895aea..88fb8ced 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateRangePropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateRangePropertyUI.cs
@@ -171,6 +171,19 @@ namespace UVC.UI.Window.PropertyWindow.UI
             }
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Tuple<DateTime, DateTime> dateRange)
+            {
+                if (_startDateText != null) _startDateText.SetTextWithoutNotify(dateRange.Item1.ToString(DateFormat));
+                if (_endDateText != null) _endDateText.SetTextWithoutNotify(dateRange.Item2.ToString(DateFormat));
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimePropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimePropertyUI.cs
index 896500dd..9b08d41b 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimePropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimePropertyUI.cs
@@ -192,6 +192,20 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_miniteDropDown != null) _miniteDropDown.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is DateTime dateTimeValue)
+            {
+                if (_dateText != null) _dateText.SetTextWithoutNotify(dateTimeValue.ToString(DateFormat));
+                if (_hourDropDown != null) _hourDropDown.SetValueWithoutNotify(dateTimeValue.Hour);
+                if (_miniteDropDown != null) _miniteDropDown.SetValueWithoutNotify(dateTimeValue.Minute);
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimeRangePropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimeRangePropertyUI.cs
index b0505716..600630ed 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimeRangePropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/DateTimeRangePropertyUI.cs
@@ -303,6 +303,23 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_endMiniteDropDown != null) _endMiniteDropDown.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Tuple<DateTime, DateTime> dateTimeRange)
+            {
+                if (_startDateText != null) _startDateText.SetTextWithoutNotify(dateTimeRange.Item1.ToString(DateFormat));
+                if (_endDateText != null) _endDateText.SetTextWithoutNotify(dateTimeRange.Item2.ToString(DateFormat));
+                if (_startHourDropDown != null) _startHourDropDown.SetValueWithoutNotify(dateTimeRange.Item1.Hour);
+                if (_startMiniteDropDown != null) _startMiniteDropDown.SetValueWithoutNotify(dateTimeRange.Item1.Minute);
+                if (_endHourDropDown != null) _endHourDropDown.SetValueWithoutNotify(dateTimeRange.Item2.Hour);
+                if (_endMiniteDropDown != null) _endMiniteDropDown.SetValueWithoutNotify(dateTimeRange.Item2.Minute);
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/EnumPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/EnumPropertyUI.cs
index ede69467..cee1173d 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/EnumPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/EnumPropertyUI.cs
@@ -123,6 +123,22 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_dropdown != null) _dropdown.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (_dropdown != null && _enumValues != null && value != null)
+            {
+                int index = Array.IndexOf(_enumValues, value);
+                if (index >= 0)
+                {
+                    _dropdown.SetValueWithoutNotify(index);
+                }
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ListPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ListPropertyUI.cs
index 8ac120ce..786b3840 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ListPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/ListPropertyUI.cs
@@ -120,6 +120,22 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_dropdown != null) _dropdown.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (_dropdown != null && _propertyItem?.ItemsSource != null && value is string stringValue)
+            {
+                int index = _propertyItem.ItemsSource.IndexOf(stringValue);
+                if (index >= 0)
+                {
+                    _dropdown.SetValueWithoutNotify(index);
+                }
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberPropertyUI.cs
index 1317766e..13a0c671 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberPropertyUI.cs
@@ -215,6 +215,32 @@ namespace UVC.UI.Window.PropertyWindow.UI
             }
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value == null) return;
+
+            string textValue = value.ToString();
+            if (_valueInput != null)
+            {
+                _valueInput.SetTextWithoutNotify(textValue);
+            }
+            if (_slider != null && _slider.gameObject.activeSelf)
+            {
+                if (value is int intValue)
+                {
+                    _slider.SetValueWithoutNotify(intValue);
+                }
+                else if (value is float floatValue)
+                {
+                    _slider.SetValueWithoutNotify(floatValue);
+                }
+            }
+        }
+
         private void OnDestroy()
         {
             // 오브젝트가 파괴될 때 리스너를 확실히 제거합니다.
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberRangePropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberRangePropertyUI.cs
index b5e72f99..700c0d87 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberRangePropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/NumberRangePropertyUI.cs
@@ -195,6 +195,24 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_maxInputField != null) _maxInputField.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Tuple<int, int> intRange)
+            {
+                if (_minInputField != null) _minInputField.SetTextWithoutNotify(intRange.Item1.ToString(CultureInfo.InvariantCulture));
+                if (_maxInputField != null) _maxInputField.SetTextWithoutNotify(intRange.Item2.ToString(CultureInfo.InvariantCulture));
+            }
+            else if (value is Tuple<float, float> floatRange)
+            {
+                if (_minInputField != null) _minInputField.SetTextWithoutNotify(floatRange.Item1.ToString(CultureInfo.InvariantCulture));
+                if (_maxInputField != null) _maxInputField.SetTextWithoutNotify(floatRange.Item2.ToString(CultureInfo.InvariantCulture));
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/RadioGroupPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/RadioGroupPropertyUI.cs
index bc13d24b..b3630819 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/RadioGroupPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/RadioGroupPropertyUI.cs
@@ -159,6 +159,21 @@ namespace UVC.UI.Window.PropertyWindow.UI
             }
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (_propertyItem?.ItemsSource == null || value is not string stringValue) return;
+
+            int index = _propertyItem.ItemsSource.IndexOf(stringValue);
+            if (index >= 0 && index < _toggles.Count)
+            {
+                _toggles[index].SetIsOnWithoutNotify(true);
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/StringPropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/StringPropertyUI.cs
index b6fa1dd4..3497c188 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/StringPropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/StringPropertyUI.cs
@@ -104,6 +104,18 @@ namespace UVC.UI.Window.PropertyWindow.UI
             }
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (_valueInput != null && value != null)
+            {
+                _valueInput.SetTextWithoutNotify(value.ToString());
+            }
+        }
+
         private void OnDestroy()
         {
             // 오브젝트가 파괴될 때 리스너를 확실히 제거합니다.
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector2PropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector2PropertyUI.cs
index 51192c62..0a4dc0a5 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector2PropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector2PropertyUI.cs
@@ -183,6 +183,19 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_yInputField != null) _yInputField.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Vector2 vector2Value)
+            {
+                if (_xInputField != null) _xInputField.SetTextWithoutNotify(vector2Value.x.ToString(CultureInfo.InvariantCulture));
+                if (_yInputField != null) _yInputField.SetTextWithoutNotify(vector2Value.y.ToString(CultureInfo.InvariantCulture));
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector3PropertyUI.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector3PropertyUI.cs
index 82d106a2..5ae0e4c0 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector3PropertyUI.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/UI/Vector3PropertyUI.cs
@@ -216,6 +216,20 @@ namespace UVC.UI.Window.PropertyWindow.UI
             if (_zInputField != null) _zInputField.interactable = !isReadOnly;
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public void UpdateValue(object value)
+        {
+            if (value is Vector3 vector3Value)
+            {
+                if (_xInputField != null) _xInputField.SetTextWithoutNotify(vector3Value.x.ToString(CultureInfo.InvariantCulture));
+                if (_yInputField != null) _yInputField.SetTextWithoutNotify(vector3Value.y.ToString(CultureInfo.InvariantCulture));
+                if (_zInputField != null) _zInputField.SetTextWithoutNotify(vector3Value.z.ToString(CultureInfo.InvariantCulture));
+            }
+        }
+
         /// <summary>
         /// 이 UI 오브젝트가 파괴될 때 Unity에 의해 호출됩니다.
         /// </summary>
diff --git a/Assets/Scripts/UVC/UI/Window/PropertyWindow/View/PropertyUIBase.cs b/Assets/Scripts/UVC/UI/Window/PropertyWindow/View/PropertyUIBase.cs
index c2e99d61..1b491ebf 100644
--- a/Assets/Scripts/UVC/UI/Window/PropertyWindow/View/PropertyUIBase.cs
+++ b/Assets/Scripts/UVC/UI/Window/PropertyWindow/View/PropertyUIBase.cs
@@ -89,6 +89,26 @@ namespace UVC.UI.Window.PropertyWindow
             // 기본 구현 없음 - 파생 클래스에서 필요시 구현
         }
 
+        /// <summary>
+        /// UI에 표시되는 값을 업데이트합니다.
+        /// Undo/Redo 시 PropertyValueChanged 이벤트 없이 값을 반영할 때 사용됩니다.
+        /// </summary>
+        /// <param name="value">새로운 값</param>
+        public virtual void UpdateValue(object value)
+        {
+            // 파생 클래스에서 구체적인 구현을 제공해야 합니다.
+            ApplyValueToUI(value);
+        }
+
+        /// <summary>
+        /// 파생 클래스에서 UI에 값을 적용합니다.
+        /// </summary>
+        /// <param name="value">적용할 값</param>
+        protected virtual void ApplyValueToUI(object value)
+        {
+            // 기본 구현 없음 - 파생 클래스에서 필요시 구현
+        }
+
         #endregion
 
         #region Common UI Setup
diff --git a/Assets/StreamingAssets/Studio/Settings.json b/Assets/StreamingAssets/Studio/Settings.json
index 1340c52f..38639362 100644
--- a/Assets/StreamingAssets/Studio/Settings.json
+++ b/Assets/StreamingAssets/Studio/Settings.json
@@ -15,93 +15,159 @@
   "shortcuts": {
     "menu": {
       "newProject": {
-        "key": "Q",
+        "key": "N",
+        "ctrl": true,
+        "shift": false,
+        "alt": false,
         "label": "File > New Project"
       },
       "openProject": {
-        "key": "CTRL+O",
+        "key": "O",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "File > Open Project"
       },
       "saveProject": {
-        "key": "CTRL+S",
+        "key": "S",
+        "ctrl": true,
+        "shift": false,
+        "alt": true,
         "label": "File > Save Project"
       },
       "saveAsProject": {
-        "key": "CTRL+SHIFT+S",
+        "key": "S",
+        "ctrl": true,
+        "shift": true,
+        "alt": true,
         "label": "File > Save As..."
       },
       "insertDb": {
-        "key": "CTRL+I",
+        "key": "I",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "File > Insert Database"
       },
       "exportLayout": {
-        "key": "CTRL+L",
+        "key": "L",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "File > Export > Layout"
       },
       "exportMeta": {
-        "key": "CTRL+M",
+        "key": "M",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "File > Export > Metadata"
       },
       "exportGltf": {
-        "key": "CTRL+G",
+        "key": "G",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "File > Export > glTF"
       },
       "undo": {
-        "key": "CTRL+Z",
+        "key": "Z",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "Edit > Undo"
       },
       "redo": {
-        "key": "CTRL+SHIFT+Z",
+        "key": "Y",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "Edit > Redo"
       },
       "duplicate": {
-        "key": "CTRL+D",
+        "key": "D",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "Edit > Duplicate"
       },
       "delete": {
         "key": "DELETE",
+        "ctrl": false,
+        "shift": true,
+        "alt": false,
         "label": "Edit > Delete"
       },
       "createPlane": {
-        "key": "CTRL+P",
+        "key": "V",
+        "ctrl": true,
+        "shift": true,
+        "alt": false,
         "label": "Create > Plane"
       }
     },
     "tools": {
       "select": {
-        "key": "Q",
+        "key": "1",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Select Tool"
       },
       "move": {
-        "key": "W",
+        "key": "2",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Move Tool"
       },
       "rotate": {
-        "key": "E",
+        "key": "3",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Rotate Tool"
       },
       "scale": {
-        "key": "R",
+        "key": "4",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Scale Tool"
       },
       "snap": {
-        "key": "T",
+        "key": "5",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Snap Tool"
       },
       "guide": {
-        "key": "Y",
+        "key": "6",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Guide Tool"
       },
       "node": {
-        "key": "U",
+        "key": "7",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Node Tool"
       },
       "link": {
-        "key": "I",
+        "key": "8",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Link Tool"
       },
       "arc": {
-        "key": "O",
+        "key": "9",
+        "ctrl": false,
+        "shift": false,
+        "alt": false,
         "label": "Arc Tool"
       }
     }
diff --git a/Assets/StreamingAssets/locale.json b/Assets/StreamingAssets/locale.json
index b9e3468b..f8f6d636 100644
--- a/Assets/StreamingAssets/locale.json
+++ b/Assets/StreamingAssets/locale.json
@@ -387,6 +387,15 @@
     "tooltip_arc_tool": {
       "ko": "호 만들기 도구",
       "en": "Arc Creation Tool"
+    },
+    "msg_not_shortcut": {
+      "ko": "A, D, Q, E, S, W, V키 는 예약 된 단축키라 사용할 수 없습니다.",
+      "en": "A, D, Q, E, S, W, V keys are reserved shortcuts and cannot be used."
+    },
+    "msg_duplicate_shortcut": {
+      "ko": "이미 동일한 단축키가 등록되어 있습니다.",
+      "en": "This shortcut is already registered."
     }
+
   }
 }
\ No newline at end of file