From 9e36edec7ffafed066d4d96e94012371e18672ac Mon Sep 17 00:00:00 2001
From: ljpark <mind-one005@mind-one.co.kr>
Date: Tue, 1 Sep 2026 11:10:27 +0900
Subject: [PATCH] =?UTF-8?q?sn:=20=EC=B9=A8=EC=88=98=ED=9D=94=EC=A0=81?=
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---
 apps/sn/app/(map-layout)/map/page.tsx | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/apps/sn/app/(map-layout)/map/page.tsx b/apps/sn/app/(map-layout)/map/page.tsx
index 94603ab30..48e75e968 100644
--- a/apps/sn/app/(map-layout)/map/page.tsx
+++ b/apps/sn/app/(map-layout)/map/page.tsx
@@ -5924,6 +5924,22 @@ const Map = () => {
       if (!tabId) return;
       const closingTab = rightPanelTabs.find((tab) => tab.id === tabId);
       const remainingTabs = removeRightPanelTabGroup(rightPanelTabs, tabId);
+      const closingLayerTypeName = getSelectedFeatureLayerTypeName(
+        closingTab?.featureData,
+      );
+
+      // 침수흔적 연계 조회로 만든 공용 search-layer는 선택 해제만으로
+      // 제거되지 않는다. 마지막 탭을 닫는 경우와 다른 일반 feature 탭으로
+      // 전환되는 경우 모두 잔상으로 남지 않도록 여기서 명시적으로 제거한다.
+      if (
+        closingLayerTypeName === FLOOD_HISTORY_LAYER_TYPE ||
+        closingLayerTypeName === "tb_ms_fldng_dpth_map"
+      ) {
+        const layerModule = GisApp.Module.layer as any;
+        if (layerModule?.searchLayer) {
+          layerModule.clearSearchLayer?.();
+        }
+      }
 
       if (closingTab?.kind === "sinkhole") {
         setSelectedSinkholeDetail(null);