refactor: Hide selected rows information in TableListComponent

- Removed the display of selected rows count and the deselect button from the TableListComponent.
- Updated the comment to indicate that the selected information is now hidden, improving code clarity and maintainability.

frontend/lib/registry/DynamicComponentRenderer.tsx

@@ -356,9 +356,10 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
   //    1. componentType이 "select-basic" 또는 "v2-select"인 경우
   //    2. config.mode가 dropdown이 아닌 경우 (radio, check, tagbox 등)
   const componentMode = (component as any).componentConfig?.mode || (component as any).config?.mode;
+  const isMultipleSelect = (component as any).componentConfig?.multiple;
   const nonDropdownModes = ["radio", "check", "checkbox", "tag", "tagbox", "toggle", "swap", "combobox"];
   const isNonDropdownMode = componentMode && nonDropdownModes.includes(componentMode);
-  const shouldUseV2Select = componentType === "select-basic" || componentType === "v2-select" || isNonDropdownMode;
+  const shouldUseV2Select = componentType === "select-basic" || componentType === "v2-select" || isNonDropdownMode || isMultipleSelect;
   
   if (
     (inputType === "category" || webType === "category") &&

frontend/lib/registry/components/v2-table-list/TableListComponent.tsx

@@ -2243,6 +2243,12 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
   // 🆕 셀 클릭 핸들러 (포커스 설정 + 행 선택/해제 토글)
   const handleCellClick = (rowIndex: number, colIndex: number, e: React.MouseEvent) => {
     e.stopPropagation();
+
+    // 현재 편집 중인 셀을 클릭한 경우 포커스 이동 방지 (select 드롭다운 등이 닫히는 것 방지)
+    if (editingCell?.rowIndex === rowIndex && editingCell?.colIndex === colIndex) {
+      return;
+    }
+
     setFocusedCell({ rowIndex, colIndex });
     tableContainerRef.current?.focus();
 
@@ -5462,23 +5468,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
             </div>
           )}
 
-          {/* 선택 정보 */}
+          {/* 선택 정보 - 숨김 처리 */}
-          {selectedRows.size > 0 && (
-            <div className="border-border flex items-center gap-1 border-r pr-2">
-              <span className="bg-primary/10 text-primary rounded px-2 py-0.5 text-xs">
-                {selectedRows.size}개 선택됨
-              </span>
-              <Button
-                variant="ghost"
-                size="sm"
-                onClick={() => setSelectedRows(new Set())}
-                className="h-6 w-6 p-0"
-                title="선택 해제"
-              >
-                <X className="h-3 w-3" />
-              </Button>
-            </div>
-          )}
 
           {/* 🆕 통합 검색 패널 */}
           {(tableConfig.toolbar?.showSearch ?? false) && (