From a3361ddc9db8ed99c4dcb13b49e97fa31a439c43 Mon Sep 17 00:00:00 2001
From: "hyojun.choi" <chlgkwk123@nate.com>
Date: Mon, 13 Apr 2026 09:55:38 +0900
Subject: [PATCH] =?UTF-8?q?=EC=A7=80=EB=B6=95=EC=9E=AC=20=EB=B3=80?=
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---
 .../modal/placementShape/PlacementShapeSetting.jsx           | 5 +++++
 src/hooks/roofcover/useRoofAllocationSetting.js              | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/components/floor-plan/modal/placementShape/PlacementShapeSetting.jsx b/src/components/floor-plan/modal/placementShape/PlacementShapeSetting.jsx
index fbf387bb..ce2667fe 100644
--- a/src/components/floor-plan/modal/placementShape/PlacementShapeSetting.jsx
+++ b/src/components/floor-plan/modal/placementShape/PlacementShapeSetting.jsx
@@ -13,6 +13,7 @@ import { addedRoofsState, roofDisplaySelector, roofMaterialsAtom } from '@/store
 import { useCommonCode } from '@/hooks/common/useCommonCode'
 import QSelectBox from '@/components/common/select/QSelectBox'
 import { globalLocaleStore } from '@/store/localeAtom'
+import { useUndoRedo } from '@/hooks/useUndoRedo'
 
 import { getChonByDegree, getDegreeByChon } from '@/util/canvas-util'
 import { usePolygon } from '@/hooks/usePolygon'
@@ -52,6 +53,7 @@ export default function PlacementShapeSetting({ id, pos = { x: 50, y: 180 }, pla
   /** usePopup에서 closePopup 함수 가져오기 */
   const { drawDirectionArrow } = usePolygon()
   const { setSurfaceShapePattern } = useRoofFn()
+  const { clearStacks } = useUndoRedo()
   const canvas = useRecoilValue(canvasState)
   const [canvasSetting, setCanvasSetting] = useRecoilState(canvasSettingState)
   const currentCanvasPlan = useRecoilValue(currentCanvasPlanState)
@@ -298,6 +300,9 @@ export default function PlacementShapeSetting({ id, pos = { x: 50, y: 180 }, pla
     /* 저장 후 화면 닫기 */
     closePopup(id)
     await saveCanvas(false)
+
+    // 지붕재 변경 저장 후 undo/redo stack 초기화
+    clearStacks()
   }
 
   return (
diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index b604d52d..67bbbd37 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -66,7 +66,7 @@ export function useRoofAllocationSetting(id) {
   const resetPoints = useResetRecoilState(outerLinePointsState)
   const [corridorDimension, setCorridorDimension] = useRecoilState(corridorDimensionSelector)
   const { changeCorridorDimensionText } = useText()
-  const { saveSnapshot } = useUndoRedo()
+  const { saveSnapshot, clearStacks } = useUndoRedo()
   const outlineDisplay = useRecoilValue(outlineDisplaySelector)
 
   useEffect(() => {
@@ -381,6 +381,9 @@ export function useRoofAllocationSetting(id) {
     closePopup(id)
     basicSettingSave()
     setModuleSelectionData({ ...moduleSelectionData, roofConstructions: newRoofList })
+
+    // 지붕재 변경 후 undo/redo stack 초기화
+    clearStacks()
   }
 
   /**