diff --git a/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx b/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx
index d79d926f..f311c035 100644
--- a/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx
+++ b/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx
@@ -296,6 +296,32 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
     return false;
   }, [component.componentConfig?.action, formData, vehicleStatus, statusLoading, component.label]);
 
+  // 🆕 modalDataStore에서 선택된 데이터 확인 (분할 패널 등에서 저장됨)
+  const [modalStoreData, setModalStoreData] = useState<Record<string, any[]>>({});
+
+  // modalDataStore 상태 구독 (실시간 업데이트)
+  useEffect(() => {
+    const actionConfig = component.componentConfig?.action;
+    if (!actionConfig?.requireRowSelection) return;
+
+    // 동적 import로 modalDataStore 구독
+    let unsubscribe: (() => void) | undefined;
+    
+    import("@/stores/modalDataStore").then(({ useModalDataStore }) => {
+      // 초기값 설정
+      setModalStoreData(useModalDataStore.getState().dataRegistry);
+      
+      // 상태 변경 구독
+      unsubscribe = useModalDataStore.subscribe((state) => {
+        setModalStoreData(state.dataRegistry);
+      });
+    });
+
+    return () => {
+      unsubscribe?.();
+    };
+  }, [component.componentConfig?.action?.requireRowSelection]);
+
   // 🆕 행 선택 기반 비활성화 조건 계산
   const isRowSelectionDisabled = useMemo(() => {
     const actionConfig = component.componentConfig?.action;
@@ -311,43 +337,76 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
     // 선택된 데이터 확인
     let hasSelection = false;
     let selectionCount = 0;
+    let selectionSource = "";
 
-    // 1. 자동 감지 모드 또는 특정 소스 모드
+    // 1. 자동 감지 모드 또는 테이블 리스트 모드
     if (rowSelectionSource === "auto" || rowSelectionSource === "tableList") {
       // TableList에서 선택된 행 확인 (props로 전달됨)
       if (selectedRowsData && selectedRowsData.length > 0) {
         hasSelection = true;
         selectionCount = selectedRowsData.length;
+        selectionSource = "tableList (selectedRowsData)";
       }
       // 또는 selectedRows prop 확인
       else if (selectedRows && selectedRows.length > 0) {
         hasSelection = true;
         selectionCount = selectedRows.length;
+        selectionSource = "tableList (selectedRows)";
       }
     }
 
+    // 2. 분할 패널 좌측 선택 데이터 확인
     if (rowSelectionSource === "auto" || rowSelectionSource === "splitPanelLeft") {
-      // 분할 패널 좌측 선택 데이터 확인
-      if (!hasSelection && splitPanelContext?.selectedLeftData) {
-        hasSelection = true;
-        selectionCount = 1;
+      // SplitPanelContext에서 확인
+      if (splitPanelContext?.selectedLeftData && Object.keys(splitPanelContext.selectedLeftData).length > 0) {
+        if (!hasSelection) {
+          hasSelection = true;
+          selectionCount = 1;
+          selectionSource = "splitPanelLeft (context)";
+        }
+      }
+      
+      // 🆕 modalDataStore에서도 확인 (SplitPanelLayoutComponent에서 저장)
+      if (!hasSelection && Object.keys(modalStoreData).length > 0) {
+        // modalDataStore에서 데이터가 있는지 확인
+        for (const [sourceId, items] of Object.entries(modalStoreData)) {
+          if (items && items.length > 0) {
+            hasSelection = true;
+            selectionCount = items.length;
+            selectionSource = `modalDataStore (${sourceId})`;
+            break;
+          }
+        }
       }
     }
 
+    // 3. 플로우 위젯 선택 데이터 확인
     if (rowSelectionSource === "auto" || rowSelectionSource === "flowWidget") {
       // 플로우 위젯 선택 데이터 확인
       if (!hasSelection && flowSelectedData && flowSelectedData.length > 0) {
         hasSelection = true;
         selectionCount = flowSelectedData.length;
+        selectionSource = "flowWidget";
       }
     }
 
+    // 디버깅 로그
+    console.log("🔍 [ButtonPrimary] 행 선택 체크:", component.label, {
+      rowSelectionSource,
+      hasSelection,
+      selectionCount,
+      selectionSource,
+      hasSplitPanelContext: !!splitPanelContext,
+      selectedLeftData: splitPanelContext?.selectedLeftData,
+      selectedRowsData: selectedRowsData?.length,
+      selectedRows: selectedRows?.length,
+      flowSelectedData: flowSelectedData?.length,
+      modalStoreDataKeys: Object.keys(modalStoreData),
+    });
+
     // 선택된 데이터가 없으면 비활성화
     if (!hasSelection) {
-      console.log("🚫 [ButtonPrimary] 행 선택 필요 → 비활성화:", component.label, {
-        rowSelectionSource,
-        hasSelection,
-      });
+      console.log("🚫 [ButtonPrimary] 행 선택 필요 → 비활성화:", component.label);
       return true;
     }
 
@@ -362,7 +421,7 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
 
     console.log("✅ [ButtonPrimary] 행 선택 조건 충족:", component.label, {
       selectionCount,
-      rowSelectionSource,
+      selectionSource,
     });
     return false;
   }, [
@@ -372,6 +431,8 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
     selectedRowsData,
     splitPanelContext?.selectedLeftData,
     flowSelectedData,
+    splitPanelContext,
+    modalStoreData,
   ]);
 
   // 확인 다이얼로그 상태
diff --git a/frontend/lib/registry/components/split-panel-layout/SplitPanelLayoutComponent.tsx b/frontend/lib/registry/components/split-panel-layout/SplitPanelLayoutComponent.tsx
index ef91a23d..bfb26c90 100644
--- a/frontend/lib/registry/components/split-panel-layout/SplitPanelLayoutComponent.tsx
+++ b/frontend/lib/registry/components/split-panel-layout/SplitPanelLayoutComponent.tsx
@@ -2030,14 +2030,14 @@ export const SplitPanelLayoutComponent: React.FC<SplitPanelLayoutComponentProps>
         className="border-border flex flex-shrink-0 flex-col border-r"
       >
         <Card className="flex flex-col border-0 shadow-none" style={{ height: "100%" }}>
-          <CardHeader 
+          <CardHeader
             className="flex-shrink-0 border-b"
-            style={{ 
+            style={{
               height: componentConfig.leftPanel?.panelHeaderHeight || 48,
               minHeight: componentConfig.leftPanel?.panelHeaderHeight || 48,
-              padding: '0 1rem',
-              display: 'flex',
-              alignItems: 'center'
+              padding: "0 1rem",
+              display: "flex",
+              alignItems: "center",
             }}
           >
             <div className="flex w-full items-center justify-between">
@@ -2521,14 +2521,14 @@ export const SplitPanelLayoutComponent: React.FC<SplitPanelLayoutComponentProps>
         className="flex flex-shrink-0 flex-col"
       >
         <Card className="flex flex-col border-0 shadow-none" style={{ height: "100%" }}>
-          <CardHeader 
+          <CardHeader
             className="flex-shrink-0 border-b"
-            style={{ 
+            style={{
               height: componentConfig.rightPanel?.panelHeaderHeight || 48,
               minHeight: componentConfig.rightPanel?.panelHeaderHeight || 48,
-              padding: '0 1rem',
-              display: 'flex',
-              alignItems: 'center'
+              padding: "0 1rem",
+              display: "flex",
+              alignItems: "center",
             }}
           >
             <div className="flex w-full items-center justify-between">