(대표님) 폼리스트, spreadjs 관련 변경사항, 벤더문서 뷰 쿼리 수정, 이메일 템플릿 추가 등

1 files changed, 1514 insertions, 0 deletions

diff --git a/components/form-data/spreadJS-dialog copy.tsx b/components/form-data/spreadJS-dialog copy.tsx
new file mode 100644
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+++ b/components/form-data/spreadJS-dialog copy.tsx
@@ -0,0 +1,1514 @@
+"use client";
+
+import * as React from "react";
+import dynamic from "next/dynamic";
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter, DialogDescription } from "@/components/ui/dialog";
+import { Button } from "@/components/ui/button";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+import { GenericData } from "./export-excel-form";
+import * as GC from "@mescius/spread-sheets";
+import { toast } from "sonner";
+import { updateFormDataInDB } from "@/lib/forms/services";
+import { Loader, Save, AlertTriangle } from "lucide-react";
+import '@mescius/spread-sheets/styles/gc.spread.sheets.excel2016colorful.css';
+import { DataTableColumnJSON, ColumnType } from "./form-data-table-columns";
+import { setupSpreadJSLicense } from "@/lib/spread-js/license-utils";
+
+const SpreadSheets = dynamic(
+  () => import("@mescius/spread-sheets-react").then(mod => mod.SpreadSheets),
+  {
+    ssr: false,
+    loading: () => (
+      <div className="flex items-center justify-center h-full">
+        <Loader className="mr-2 h-4 w-4 animate-spin" />
+        Loading SpreadSheets...
+      </div>
+    )
+  }
+);
+
+// 도메인별 라이선스 설정
+if (typeof window !== 'undefined') {
+  setupSpreadJSLicense(GC);
+}
+
+interface TemplateItem {
+  TMPL_ID: string;
+  NAME: string;
+  TMPL_TYPE: string;
+  SPR_LST_SETUP: {
+    ACT_SHEET: string;
+    HIDN_SHEETS: Array<string>;
+    CONTENT?: string;
+    DATA_SHEETS: Array<{
+      SHEET_NAME: string;
+      REG_TYPE_ID: string;
+      MAP_CELL_ATT: Array<{
+        ATT_ID: string;
+        IN: string;
+      }>;
+    }>;
+  };
+  GRD_LST_SETUP: {
+    REG_TYPE_ID: string;
+    SPR_ITM_IDS: Array<string>;
+    ATTS: Array<{}>;
+  };
+  SPR_ITM_LST_SETUP: {
+    ACT_SHEET: string;
+    HIDN_SHEETS: Array<string>;
+    CONTENT?: string;
+    DATA_SHEETS: Array<{
+      SHEET_NAME: string;
+      REG_TYPE_ID: string;
+      MAP_CELL_ATT: Array<{
+        ATT_ID: string;
+        IN: string;
+      }>;
+    }>;
+  };
+}
+
+interface ValidationError {
+  cellAddress: string;
+  attId: string;
+  value: any;
+  expectedType: ColumnType;
+  message: string;
+}
+
+interface CellMapping {
+  attId: string;
+  cellAddress: string;
+  isEditable: boolean;
+  dataRowIndex?: number;
+}
+
+interface TemplateViewDialogProps {
+  isOpen: boolean;
+  onClose: () => void;
+  templateData: TemplateItem[] | any;
+  selectedRow?: GenericData;
+  tableData?: GenericData[];
+  formCode: string;
+  columnsJSON: DataTableColumnJSON[]
+  contractItemId: number;
+  editableFieldsMap?: Map<string, string[]>;
+  onUpdateSuccess?: (updatedValues: Record<string, any> | GenericData[]) => void;
+}
+
+// 🚀 로딩 프로그레스 컴포넌트
+interface LoadingProgressProps {
+  phase: string;
+  progress: number;
+  total: number;
+  isVisible: boolean;
+}
+
+const LoadingProgress: React.FC<LoadingProgressProps> = ({ phase, progress, total, isVisible }) => {
+  const percentage = total > 0 ? Math.round((progress / total) * 100) : 0;
+  
+  if (!isVisible) return null;
+  
+  return (
+    <div className="absolute inset-0 bg-white/90 flex items-center justify-center z-50">
+      <div className="bg-white rounded-lg shadow-lg border p-6 min-w-[300px]">
+        <div className="flex items-center space-x-3 mb-4">
+          <Loader className="h-5 w-5 animate-spin text-blue-600" />
+          <span className="font-medium text-gray-900">Loading Template</span>
+        </div>
+        
+        <div className="space-y-2">
+          <div className="text-sm text-gray-600">{phase}</div>
+          <div className="w-full bg-gray-200 rounded-full h-2">
+            <div 
+              className="bg-blue-600 h-2 rounded-full transition-all duration-300 ease-out"
+              style={{ width: `${percentage}%` }}
+            />
+          </div>
+          <div className="text-xs text-gray-500 text-right">
+            {progress.toLocaleString()} / {total.toLocaleString()} ({percentage}%)
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export function TemplateViewDialog({
+  isOpen,
+  onClose,
+  templateData,
+  selectedRow,
+  tableData = [],
+  formCode,
+  contractItemId,
+  columnsJSON,
+  editableFieldsMap = new Map(),
+  onUpdateSuccess
+}: TemplateViewDialogProps) {
+  const [hostStyle, setHostStyle] = React.useState({
+    width: '100%',
+    height: '100%'
+  });
+
+  const [isPending, setIsPending] = React.useState(false);
+  const [hasChanges, setHasChanges] = React.useState(false);
+  const [currentSpread, setCurrentSpread] = React.useState<any>(null);
+  const [cellMappings, setCellMappings] = React.useState<CellMapping[]>([]);
+  const [isClient, setIsClient] = React.useState(false);
+  const [templateType, setTemplateType] = React.useState<'SPREAD_LIST' | 'SPREAD_ITEM' | 'GRD_LIST' | null>(null);
+  const [validationErrors, setValidationErrors] = React.useState<ValidationError[]>([]);
+  const [selectedTemplateId, setSelectedTemplateId] = React.useState<string>("");
+  const [availableTemplates, setAvailableTemplates] = React.useState<TemplateItem[]>([]);
+  
+  // 🆕 로딩 상태 추가
+  const [loadingProgress, setLoadingProgress] = React.useState<{
+    phase: string;
+    progress: number;
+    total: number;
+  } | null>(null);
+  const [isInitializing, setIsInitializing] = React.useState(false);
+
+  // 🔄 진행상황 업데이트 함수
+  const updateProgress = React.useCallback((phase: string, progress: number, total: number) => {
+    setLoadingProgress({ phase, progress, total });
+  }, []);
+
+  const determineTemplateType = React.useCallback((template: TemplateItem): 'SPREAD_LIST' | 'SPREAD_ITEM' | 'GRD_LIST' | null => {
+    if (template.TMPL_TYPE === "SPREAD_LIST" && (template.SPR_LST_SETUP?.CONTENT || template.SPR_ITM_LST_SETUP?.CONTENT)) {
+      return 'SPREAD_LIST';
+    }
+    if (template.TMPL_TYPE === "SPREAD_ITEM" && (template.SPR_LST_SETUP?.CONTENT || template.SPR_ITM_LST_SETUP?.CONTENT)) {
+      return 'SPREAD_ITEM';
+    }
+    if (template.GRD_LST_SETUP && columnsJSON.length > 0) {
+      return 'GRD_LIST';
+    }
+    return null;
+  }, [columnsJSON]);
+
+  const isValidTemplate = React.useCallback((template: TemplateItem): boolean => {
+    return determineTemplateType(template) !== null;
+  }, [determineTemplateType]);
+
+  React.useEffect(() => {
+    setIsClient(true);
+  }, []);
+
+  React.useEffect(() => {
+    if (!templateData) return;
+
+    let templates: TemplateItem[];
+    if (Array.isArray(templateData)) {
+      templates = templateData as TemplateItem[];
+    } else {
+      templates = [templateData as TemplateItem];
+    }
+
+    const validTemplates = templates.filter(isValidTemplate);
+    setAvailableTemplates(validTemplates);
+
+    if (validTemplates.length > 0 && !selectedTemplateId) {
+      const firstTemplate = validTemplates[0];
+      const templateTypeToSet = determineTemplateType(firstTemplate);
+      setSelectedTemplateId(firstTemplate.TMPL_ID);
+      setTemplateType(templateTypeToSet);
+    }
+  }, [templateData, selectedTemplateId, isValidTemplate, determineTemplateType]);
+
+  const handleTemplateChange = (templateId: string) => {
+    const template = availableTemplates.find(t => t.TMPL_ID === templateId);
+    if (template) {
+      const templateTypeToSet = determineTemplateType(template);
+      setSelectedTemplateId(templateId);
+      setTemplateType(templateTypeToSet);
+      setHasChanges(false);
+      setValidationErrors([]);
+
+      if (currentSpread && template) {
+        initSpread(currentSpread, template);
+      }
+    }
+  };
+
+  const selectedTemplate = React.useMemo(() => {
+    return availableTemplates.find(t => t.TMPL_ID === selectedTemplateId);
+  }, [availableTemplates, selectedTemplateId]);
+
+  const editableFields = React.useMemo(() => {
+    // SPREAD_ITEM의 경우에만 전역 editableFields 사용
+    if (templateType === 'SPREAD_ITEM' && selectedRow?.TAG_NO) {
+      if (!editableFieldsMap.has(selectedRow.TAG_NO)) {
+        return [];
+      }
+      return editableFieldsMap.get(selectedRow.TAG_NO) || [];
+    }
+    
+    // SPREAD_LIST나 GRD_LIST의 경우 전역 editableFields는 사용하지 않음
+    return [];
+  }, [templateType, selectedRow?.TAG_NO, editableFieldsMap]);
+
+  
+const isFieldEditable = React.useCallback((attId: string, rowData?: GenericData) => {
+  const columnConfig = columnsJSON.find(col => col.key === attId);
+  if (columnConfig?.shi === "OUT" || columnConfig?.shi === null) {
+    return false;
+  }
+
+  if (attId === "TAG_NO" || attId === "TAG_DESC" || attId === "status") {
+    return false;
+  }
+
+  if (templateType === 'SPREAD_LIST' || templateType === 'GRD_LIST') {
+    // 각 행의 TAG_NO를 기준으로 편집 가능 여부 판단
+    if (!rowData?.TAG_NO || !editableFieldsMap.has(rowData.TAG_NO)) {
+      return false;
+    }
+    
+    const rowEditableFields = editableFieldsMap.get(rowData.TAG_NO) || [];
+    if (!rowEditableFields.includes(attId)) {
+      return false;
+    }
+    
+    if (rowData && (rowData.shi === "OUT" || rowData.shi === null)) {
+      return false;
+    }
+    return true;
+  }
+
+  // SPREAD_ITEM의 경우 기존 로직 유지
+  if (templateType === 'SPREAD_ITEM') {
+    return editableFields.includes(attId);
+  }
+
+  return true;
+}, [templateType, columnsJSON, editableFieldsMap]); // editableFields 의존성 제거
+
+const editableFieldsCount = React.useMemo(() => {
+  if (templateType === 'SPREAD_ITEM') {
+    // SPREAD_ITEM의 경우 기존 로직 유지
+    return cellMappings.filter(m => m.isEditable).length;
+  }
+  
+  if (templateType === 'SPREAD_LIST' || templateType === 'GRD_LIST') {
+    // 각 행별로 편집 가능한 필드 수를 계산
+    let totalEditableCount = 0;
+    
+    tableData.forEach((rowData, rowIndex) => {
+      cellMappings.forEach(mapping => {
+        if (mapping.dataRowIndex === rowIndex) {
+          if (isFieldEditable(mapping.attId, rowData)) {
+            totalEditableCount++;
+          }
+        }
+      });
+    });
+    
+    return totalEditableCount;
+  }
+  
+  return cellMappings.filter(m => m.isEditable).length;
+}, [cellMappings, templateType, tableData, isFieldEditable]);
+
+  // 🚀 배치 처리 함수들
+  const setBatchValues = React.useCallback((
+    activeSheet: any, 
+    valuesToSet: Array<{row: number, col: number, value: any}>
+  ) => {
+    console.log(`🚀 Setting ${valuesToSet.length} values in batch`);
+    
+    const columnGroups = new Map<number, Array<{row: number, value: any}>>();
+    
+    valuesToSet.forEach(({row, col, value}) => {
+      if (!columnGroups.has(col)) {
+        columnGroups.set(col, []);
+      }
+      columnGroups.get(col)!.push({row, value});
+    });
+    
+    columnGroups.forEach((values, col) => {
+      values.sort((a, b) => a.row - b.row);
+      
+      let start = 0;
+      while (start < values.length) {
+        let end = start;
+        while (end + 1 < values.length && values[end + 1].row === values[end].row + 1) {
+          end++;
+        }
+        
+        const rangeValues = values.slice(start, end + 1).map(v => v.value);
+        const startRow = values[start].row;
+        
+        try {
+          if (rangeValues.length === 1) {
+            activeSheet.setValue(startRow, col, rangeValues[0]);
+          } else {
+            const dataArray = rangeValues.map(v => [v]);
+            activeSheet.setArray(startRow, col, dataArray);
+          }
+        } catch (error) {
+          for (let i = start; i <= end; i++) {
+            try {
+              activeSheet.setValue(values[i].row, col, values[i].value);
+            } catch (cellError) {
+              console.warn(`⚠️ Individual value setting failed [${values[i].row}, ${col}]:`, cellError);
+            }
+          }
+        }
+        
+        start = end + 1;
+      }
+    });
+  }, []);
+
+  const createCellStyle = React.useCallback((activeSheet: any, row: number, col: number, isEditable: boolean) => {
+    // 기존 스타일 가져오기 (없으면 새로 생성)
+    const existingStyle = activeSheet.getStyle(row, col) || new GC.Spread.Sheets.Style();
+    
+    // backColor만 수정
+    if (isEditable) {
+      existingStyle.backColor = "#bbf7d0";
+    } else {
+      existingStyle.backColor = "#e5e7eb";
+      // 읽기 전용일 때만 텍스트 색상 변경 (선택사항)
+      existingStyle.foreColor = "#4b5563";
+    }
+    
+    return existingStyle;
+  }, []);
+
+  const setBatchStyles = React.useCallback((
+    activeSheet: any, 
+    stylesToSet: Array<{row: number, col: number, isEditable: boolean}>
+  ) => {
+    console.log(`🎨 Setting ${stylesToSet.length} styles in batch`);
+    
+    // 🔧 개별 셀별로 스타일과 잠금 상태 설정 (편집 권한 보장)
+    stylesToSet.forEach(({row, col, isEditable}) => {
+      try {
+        const cell = activeSheet.getCell(row, col);
+        const style = createCellStyle(activeSheet, row, col, isEditable);
+        
+        activeSheet.setStyle(row, col, style);
+        cell.locked(!isEditable); // 편집 가능하면 잠금 해제
+        
+        // 🆕 편집 가능한 셀에 기본 텍스트 에디터 설정
+        if (isEditable) {
+          const textCellType = new GC.Spread.Sheets.CellTypes.Text();
+          activeSheet.setCellType(row, col, textCellType);
+        }
+      } catch (error) {
+        console.warn(`⚠️ Failed to set style for cell [${row}, ${col}]:`, error);
+      }
+    });
+  }, [createCellStyle]);
+
+  const parseCellAddress = (address: string): { row: number, col: number } | null => {
+    if (!address || address.trim() === "") return null;
+
+    const match = address.match(/^([A-Z]+)(\d+)$/);
+    if (!match) return null;
+
+    const [, colStr, rowStr] = match;
+
+    let col = 0;
+    for (let i = 0; i < colStr.length; i++) {
+      col = col * 26 + (colStr.charCodeAt(i) - 65 + 1);
+    }
+    col -= 1;
+
+    const row = parseInt(rowStr) - 1;
+    return { row, col };
+  };
+
+  const getCellAddress = (row: number, col: number): string => {
+    let colStr = '';
+    let colNum = col;
+    while (colNum >= 0) {
+      colStr = String.fromCharCode((colNum % 26) + 65) + colStr;
+      colNum = Math.floor(colNum / 26) - 1;
+    }
+    return colStr + (row + 1);
+  };
+
+  const validateCellValue = (value: any, columnType: ColumnType, options?: string[]): string | null => {
+    if (value === undefined || value === null || value === "") {
+      return null;
+    }
+
+    switch (columnType) {
+      case "NUMBER":
+        if (isNaN(Number(value))) {
+          return "Value must be a valid number";
+        }
+        break;
+      case "LIST":
+        if (options && !options.includes(String(value))) {
+          return `Value must be one of: ${options.join(", ")}`;
+        }
+        break;
+      case "STRING":
+        break;
+      default:
+        break;
+    }
+
+    return null;
+  };
+
+  const validateAllData = React.useCallback(() => {
+    if (!currentSpread || !selectedTemplate) return [];
+
+    const activeSheet = currentSpread.getActiveSheet();
+    const errors: ValidationError[] = [];
+
+    cellMappings.forEach(mapping => {
+      const columnConfig = columnsJSON.find(col => col.key === mapping.attId);
+      if (!columnConfig) return;
+
+      const cellPos = parseCellAddress(mapping.cellAddress);
+      if (!cellPos) return;
+
+      const cellValue = activeSheet.getValue(cellPos.row, cellPos.col);
+      const errorMessage = validateCellValue(cellValue, columnConfig.type, columnConfig.options);
+
+      if (errorMessage) {
+        errors.push({
+          cellAddress: mapping.cellAddress,
+          attId: mapping.attId,
+          value: cellValue,
+          expectedType: columnConfig.type,
+          message: errorMessage
+        });
+      }
+    });
+
+    setValidationErrors(errors);
+    return errors;
+  }, [currentSpread, selectedTemplate, cellMappings, columnsJSON]);
+
+
+
+  const setupOptimizedListValidation = React.useCallback((activeSheet: any, cellPos: { row: number, col: number }, options: string[], rowCount: number) => {
+    try {
+      console.log(`🎯 Setting up dropdown for ${rowCount} rows with options:`, options);
+
+      const safeOptions = options
+        .filter(opt => opt !== null && opt !== undefined && opt !== '')
+        .map(opt => String(opt).trim())
+        .filter(opt => opt.length > 0)
+        .filter((opt, index, arr) => arr.indexOf(opt) === index)
+        .slice(0, 20);
+
+      if (safeOptions.length === 0) {
+        console.warn(`⚠️ No valid options found, skipping`);
+        return;
+      }
+
+      const optionsString = safeOptions.join(',');
+
+      for (let i = 0; i < rowCount; i++) {
+        try {
+          const targetRow = cellPos.row + i;
+          
+          // 🔧 각 셀마다 새로운 ComboBox 인스턴스 생성
+          const comboBoxCellType = new GC.Spread.Sheets.CellTypes.ComboBox();
+          comboBoxCellType.items(safeOptions);
+          comboBoxCellType.editorValueType(GC.Spread.Sheets.CellTypes.EditorValueType.text);
+
+          // 🔧 DataValidation 설정
+          const cellValidator = GC.Spread.Sheets.DataValidation.createListValidator(optionsString);
+          cellValidator.showInputMessage(false);
+          cellValidator.showErrorMessage(false);
+
+          // ComboBox와 Validator 적용
+          activeSheet.setCellType(targetRow, cellPos.col, comboBoxCellType);
+          activeSheet.setDataValidator(targetRow, cellPos.col, cellValidator);
+          
+          // 🚀 중요: 셀 잠금 해제 및 편집 가능 설정
+          const cell = activeSheet.getCell(targetRow, cellPos.col);
+          cell.locked(false);
+
+          console.log(`✅ Dropdown applied to [${targetRow}, ${cellPos.col}] with ${safeOptions.length} options`);
+
+        } catch (cellError) {
+          console.warn(`⚠️ Failed to apply dropdown to row ${cellPos.row + i}:`, cellError);
+        }
+      }
+
+      console.log(`✅ Dropdown setup completed for ${rowCount} cells`);
+
+    } catch (error) {
+      console.error('❌ Dropdown setup failed:', error);
+    }
+  }, []);
+
+  const getSafeActiveSheet = React.useCallback((spread: any, functionName: string = 'unknown') => {
+    if (!spread) return null;
+    
+    try {
+      let activeSheet = spread.getActiveSheet();
+      if (!activeSheet) {
+        const sheetCount = spread.getSheetCount();
+        if (sheetCount > 0) {
+          activeSheet = spread.getSheet(0);
+          if (activeSheet) {
+            spread.setActiveSheetIndex(0);
+          }
+        }
+      }
+      return activeSheet;
+    } catch (error) {
+      console.error(`❌ Error getting activeSheet in ${functionName}:`, error);
+      return null;
+    }
+  }, []);
+
+  const ensureRowCapacity = React.useCallback((activeSheet: any, requiredRowCount: number) => {
+    try {
+      if (!activeSheet) return false;
+      
+      const currentRowCount = activeSheet.getRowCount();
+      if (requiredRowCount > currentRowCount) {
+        const newRowCount = requiredRowCount + 10;
+        activeSheet.setRowCount(newRowCount);
+      }
+      return true;
+    } catch (error) {
+      console.error('❌ Error in ensureRowCapacity:', error);
+      return false;
+    }
+  }, []);
+
+  const ensureColumnCapacity = React.useCallback((activeSheet: any, requiredColumnCount: number) => {
+    try {
+      if (!activeSheet) return false;
+      
+      const currentColumnCount = activeSheet.getColumnCount();
+      if (requiredColumnCount > currentColumnCount) {
+        const newColumnCount = requiredColumnCount + 10;
+        activeSheet.setColumnCount(newColumnCount);
+      }
+      return true;
+    } catch (error) {
+      console.error('❌ Error in ensureColumnCapacity:', error);
+      return false;
+    }
+  }, []);
+
+  const setOptimalColumnWidths = React.useCallback((activeSheet: any, columns: any[], startCol: number, tableData: any[]) => {
+    columns.forEach((column, colIndex) => {
+      const targetCol = startCol + colIndex;
+      const optimalWidth = column.type === 'NUMBER' ? 100 : column.type === 'STRING' ? 150 : 120;
+      activeSheet.setColumnWidth(targetCol, optimalWidth);
+    });
+  }, []);
+
+  // 🚀 최적화된 GRD_LIST 생성
+ // 🚀 최적화된 GRD_LIST 생성 (TAG_DESC 컬럼 틀고정 포함)
+const createGrdListTableOptimized = React.useCallback((activeSheet: any, template: TemplateItem) => {
+  console.log('🚀 Creating optimized GRD_LIST table with TAG_DESC freeze');
+
+  const visibleColumns = columnsJSON
+    .filter(col => col.hidden !== true)
+    .sort((a, b) => (a.seq ?? 999999) - (b.seq ?? 999999));
+
+  if (visibleColumns.length === 0) return [];
+
+  const startCol = 1;
+  const dataStartRow = 1;
+  const mappings: CellMapping[] = [];
+
+  ensureColumnCapacity(activeSheet, startCol + visibleColumns.length);
+  ensureRowCapacity(activeSheet, dataStartRow + tableData.length);
+
+  // 🧊 TAG_DESC 컬럼 위치 찾기 (틀고정용)
+  const tagDescColumnIndex = visibleColumns.findIndex(col => col.key === 'TAG_DESC');
+  let freezeColumnCount = 0;
+  
+  if (tagDescColumnIndex !== -1) {
+    // TAG_DESC 컬럼까지 포함해서 고정 (startCol + tagDescColumnIndex + 1)
+    freezeColumnCount = startCol + tagDescColumnIndex + 1;
+    console.log(`🧊 TAG_DESC found at column index ${tagDescColumnIndex}, freezing ${freezeColumnCount} columns`);
+  } else {
+    // TAG_DESC가 없으면 TAG_NO까지만 고정 (일반적으로 첫 번째 컬럼)
+    const tagNoColumnIndex = visibleColumns.findIndex(col => col.key === 'TAG_NO');
+    if (tagNoColumnIndex !== -1) {
+      freezeColumnCount = startCol + tagNoColumnIndex + 1;
+      console.log(`🧊 TAG_NO found at column index ${tagNoColumnIndex}, freezing ${freezeColumnCount} columns`);
+    }
+  }
+
+  // 헤더 생성
+  const headerStyle = new GC.Spread.Sheets.Style();
+  headerStyle.backColor = "#3b82f6";
+  headerStyle.foreColor = "#ffffff";
+  headerStyle.font = "bold 12px Arial";
+  headerStyle.hAlign = GC.Spread.Sheets.HorizontalAlign.center;
+
+  visibleColumns.forEach((column, colIndex) => {
+    const targetCol = startCol + colIndex;
+    const cell = activeSheet.getCell(0, targetCol);
+    cell.value(column.label);
+    cell.locked(true);
+    activeSheet.setStyle(0, targetCol, headerStyle);
+  });
+
+  // 🚀 데이터 배치 처리 준비
+  const allValues: Array<{row: number, col: number, value: any}> = [];
+  const allStyles: Array<{row: number, col: number, isEditable: boolean}> = [];
+
+  // 🔧 편집 가능한 셀 정보 수집 (드롭다운용)
+  const dropdownConfigs: Array<{
+    startRow: number;
+    col: number;
+    rowCount: number;
+    options: string[];
+    editableRows: number[]; // 편집 가능한 행만 추적
+  }> = [];
+
+  visibleColumns.forEach((column, colIndex) => {
+    const targetCol = startCol + colIndex;
+    
+    // 드롭다운 설정을 위한 편집 가능한 행 찾기
+    if (column.type === "LIST" && column.options) {
+      const editableRows: number[] = [];
+      tableData.forEach((rowData, rowIndex) => {
+        if (isFieldEditable(column.key, rowData)) { // rowData 전달
+          editableRows.push(dataStartRow + rowIndex);
+        }
+      });
+      
+      if (editableRows.length > 0) {
+        dropdownConfigs.push({
+          startRow: dataStartRow,
+          col: targetCol,
+          rowCount: tableData.length,
+          options: column.options,
+          editableRows: editableRows
+        });
+      }
+    }
+    
+    tableData.forEach((rowData, rowIndex) => {
+      const targetRow = dataStartRow + rowIndex;
+      const cellEditable = isFieldEditable(column.key, rowData); // rowData 전달
+      const value = rowData[column.key];
+    
+      mappings.push({
+        attId: column.key,
+        cellAddress: getCellAddress(targetRow, targetCol),
+        isEditable: cellEditable,
+        dataRowIndex: rowIndex
+      });
+    
+      allValues.push({
+        row: targetRow,
+        col: targetCol,
+        value: value ?? null
+      });
+    
+      allStyles.push({
+        row: targetRow,
+        col: targetCol,
+        isEditable: cellEditable
+      });
+    });
+  });
+
+  // 🚀 배치로 값과 스타일 설정
+  setBatchValues(activeSheet, allValues);
+  setBatchStyles(activeSheet, allStyles);
+
+  // 🎯 개선된 드롭다운 설정 (편집 가능한 셀에만)
+  dropdownConfigs.forEach(({ col, options, editableRows }) => {
+    try {
+      console.log(`🎯 Setting dropdown for column ${col}, editable rows: ${editableRows.length}`);
+      
+      const safeOptions = options
+        .filter(opt => opt !== null && opt !== undefined && opt !== '')
+        .map(opt => String(opt).trim())
+        .filter(opt => opt.length > 0)
+        .slice(0, 20);
+
+      if (safeOptions.length === 0) return;
+
+      // 편집 가능한 행에만 드롭다운 적용
+      editableRows.forEach(targetRow => {
+        try {
+          const comboBoxCellType = new GC.Spread.Sheets.CellTypes.ComboBox();
+          comboBoxCellType.items(safeOptions);
+          comboBoxCellType.editorValueType(GC.Spread.Sheets.CellTypes.EditorValueType.text);
+
+          const cellValidator = GC.Spread.Sheets.DataValidation.createListValidator(safeOptions.join(','));
+          cellValidator.showInputMessage(false);
+          cellValidator.showErrorMessage(false);
+
+          activeSheet.setCellType(targetRow, col, comboBoxCellType);
+          activeSheet.setDataValidator(targetRow, col, cellValidator);
+          
+          // 🚀 편집 권한 명시적 설정
+          const cell = activeSheet.getCell(targetRow, col);
+          cell.locked(false);
+
+          console.log(`✅ Dropdown applied to editable cell [${targetRow}, ${col}]`);
+        } catch (cellError) {
+          console.warn(`⚠️ Failed to apply dropdown to [${targetRow}, ${col}]:`, cellError);
+        }
+      });
+    } catch (error) {
+      console.error(`❌ Dropdown config failed for column ${col}:`, error);
+    }
+  });
+
+  // 🧊 틀고정 설정
+  if (freezeColumnCount > 0) {
+    try {
+      activeSheet.frozenColumnCount(freezeColumnCount);
+      activeSheet.frozenRowCount(1); // 헤더 행도 고정
+      
+      console.log(`🧊 Freeze applied: ${freezeColumnCount} columns, 1 row (header)`);
+      
+      // 🎨 고정된 컬럼에 특별한 스타일 추가 (선택사항)
+      for (let col = 0; col < freezeColumnCount; col++) {
+        for (let row = 0; row <= tableData.length; row++) {
+          try {
+            const currentStyle = activeSheet.getStyle(row, col) || new GC.Spread.Sheets.Style();
+            
+            if (row === 0) {
+              // 헤더는 기존 스타일 유지
+              continue;
+            } else {
+              // 데이터 셀에 고정 구분선 추가
+              if (col === freezeColumnCount - 1) {
+                currentStyle.borderRight = new GC.Spread.Sheets.LineBorder("#2563eb", GC.Spread.Sheets.LineStyle.medium);
+                activeSheet.setStyle(row, col, currentStyle);
+              }
+            }
+          } catch (styleError) {
+            console.warn(`⚠️ Failed to apply freeze border style to [${row}, ${col}]:`, styleError);
+          }
+        }
+      }
+    } catch (freezeError) {
+      console.error('❌ Failed to apply freeze:', freezeError);
+    }
+  }
+
+  setOptimalColumnWidths(activeSheet, visibleColumns, startCol, tableData);
+  
+  console.log(`✅ Optimized GRD_LIST created with freeze:`);
+  console.log(`   - Total mappings: ${mappings.length}`);
+  console.log(`   - Editable cells: ${mappings.filter(m => m.isEditable).length}`);
+  console.log(`   - Dropdown configs: ${dropdownConfigs.length}`);
+  console.log(`   - Frozen columns: ${freezeColumnCount}`);
+  
+  return mappings;
+}, [tableData, columnsJSON, isFieldEditable, setBatchValues, setBatchStyles, ensureColumnCapacity, ensureRowCapacity, getCellAddress, setOptimalColumnWidths]);
+
+  const setupSheetProtectionAndEvents = React.useCallback((activeSheet: any, mappings: CellMapping[]) => {
+    console.log(`🛡️ Setting up protection and events for ${mappings.length} mappings`);
+
+    // 🔧 시트 보호 완전 해제 후 편집 권한 설정
+    activeSheet.options.isProtected = false;
+
+    // 🔧 편집 가능한 셀들을 위한 강화된 설정
+    mappings.forEach((mapping) => {
+      const cellPos = parseCellAddress(mapping.cellAddress);
+      if (!cellPos) return;
+      
+      try {
+        const cell = activeSheet.getCell(cellPos.row, cellPos.col);
+        const columnConfig = columnsJSON.find(col => col.key === mapping.attId);
+        
+        if (mapping.isEditable) {
+          // 🚀 편집 가능한 셀 설정 강화
+          cell.locked(false);
+          
+          if (columnConfig?.type === "LIST" && columnConfig.options) {
+            // LIST 타입: 새 ComboBox 인스턴스 생성
+            const comboBox = new GC.Spread.Sheets.CellTypes.ComboBox();
+            comboBox.items(columnConfig.options);
+            comboBox.editorValueType(GC.Spread.Sheets.CellTypes.EditorValueType.text);
+            activeSheet.setCellType(cellPos.row, cellPos.col, comboBox);
+            
+            // DataValidation도 추가
+            const validator = GC.Spread.Sheets.DataValidation.createListValidator(columnConfig.options.join(','));
+            activeSheet.setDataValidator(cellPos.row, cellPos.col, validator);
+          } else if (columnConfig?.type === "NUMBER") {
+            // NUMBER 타입: 숫자 입력 허용
+            const textCellType = new GC.Spread.Sheets.CellTypes.Text();
+            activeSheet.setCellType(cellPos.row, cellPos.col, textCellType);
+            
+            // 숫자 validation 추가 (에러 메시지 없이)
+            const numberValidator = GC.Spread.Sheets.DataValidation.createNumberValidator(
+              GC.Spread.Sheets.ConditionalFormatting.ComparisonOperators.between,
+              -999999999, 999999999, true
+            );
+            numberValidator.showInputMessage(false);
+            numberValidator.showErrorMessage(false);
+            activeSheet.setDataValidator(cellPos.row, cellPos.col, numberValidator);
+          } else {
+            // 기본 TEXT 타입: 자유 텍스트 입력
+            const textCellType = new GC.Spread.Sheets.CellTypes.Text();
+            activeSheet.setCellType(cellPos.row, cellPos.col, textCellType);
+          }
+          
+          // 편집 가능 스타일 재적용
+          const editableStyle = createCellStyle(activeSheet, cellPos.row, cellPos.col, true);
+          activeSheet.setStyle(cellPos.row, cellPos.col, editableStyle);
+          
+          console.log(`🔓 Cell [${cellPos.row}, ${cellPos.col}] ${mapping.attId} set as EDITABLE`);
+        } else {
+          // 읽기 전용 셀
+          cell.locked(true);
+          const readonlyStyle = createCellStyle(activeSheet, cellPos.row, cellPos.col, false);
+          activeSheet.setStyle(cellPos.row, cellPos.col, readonlyStyle);
+        }
+      } catch (error) {
+        console.error(`❌ Error processing cell ${mapping.cellAddress}:`, error);
+      }
+    });
+
+    // 🛡️ 시트 보호 재설정 (편집 허용 모드로)
+    activeSheet.options.isProtected = false;
+    activeSheet.options.protectionOptions = {
+      allowSelectLockedCells: true,
+      allowSelectUnlockedCells: true,
+      allowSort: false,
+      allowFilter: false,
+      allowEditObjects: true,        // ✅ 편집 객체 허용
+      allowResizeRows: false,
+      allowResizeColumns: false,
+      allowFormatCells: false,
+      allowInsertRows: false,
+      allowInsertColumns: false,
+      allowDeleteRows: false,
+      allowDeleteColumns: false
+    };
+
+    // 🎯 변경 감지 이벤트
+    const changeEvents = [
+      GC.Spread.Sheets.Events.CellChanged,
+      GC.Spread.Sheets.Events.ValueChanged,
+      GC.Spread.Sheets.Events.ClipboardPasted
+    ];
+
+    changeEvents.forEach(eventType => {
+      activeSheet.bind(eventType, () => {
+        console.log(`📝 ${eventType} detected`);
+        setHasChanges(true);
+      });
+    });
+
+    // 🚫 편집 시작 권한 확인
+    activeSheet.bind(GC.Spread.Sheets.Events.EditStarting, (event: any, info: any) => {
+      console.log(`🎯 EditStarting: Row ${info.row}, Col ${info.col}`);
+
+      const exactMapping = mappings.find(m => {
+        const cellPos = parseCellAddress(m.cellAddress);
+        return cellPos && cellPos.row === info.row && cellPos.col === info.col;
+      });
+
+      if (!exactMapping) {
+        console.log(`ℹ️ No mapping found for [${info.row}, ${info.col}] - allowing edit`);
+        return; // 매핑이 없으면 허용
+      }
+
+      console.log(`📋 Found mapping: ${exactMapping.attId}, isEditable: ${exactMapping.isEditable}`);
+
+      if (!exactMapping.isEditable) {
+        console.log(`🚫 Field ${exactMapping.attId} is not editable`);
+        toast.warning(`${exactMapping.attId} field is read-only`);
+        info.cancel = true;
+        return;
+      }
+
+      // SPREAD_LIST/GRD_LIST 개별 행 SHI 확인
+      if ((templateType === 'SPREAD_LIST' || templateType === 'GRD_LIST') && exactMapping.dataRowIndex !== undefined) {
+        const dataRowIndex = exactMapping.dataRowIndex;
+        if (dataRowIndex >= 0 && dataRowIndex < tableData.length) {
+          const rowData = tableData[dataRowIndex];
+          if (rowData?.shi === "OUT" || rowData?.shi === null ) {
+            console.log(`🚫 Row ${dataRowIndex} is in SHI mode`);
+            toast.warning(`Row ${dataRowIndex + 1}: ${exactMapping.attId} field is read-only (SHI mode)`);
+            info.cancel = true;
+            return;
+          }
+        }
+      }
+
+      console.log(`✅ Edit allowed for ${exactMapping.attId}`);
+    });
+
+    // ✅ 편집 완료 검증
+    activeSheet.bind(GC.Spread.Sheets.Events.EditEnded, (event: any, info: any) => {
+      console.log(`🏁 EditEnded: Row ${info.row}, Col ${info.col}, New value: ${activeSheet.getValue(info.row, info.col)}`);
+
+      const exactMapping = mappings.find(m => {
+        const cellPos = parseCellAddress(m.cellAddress);
+        return cellPos && cellPos.row === info.row && cellPos.col === info.col;
+      });
+
+      if (!exactMapping) return;
+
+      const columnConfig = columnsJSON.find(col => col.key === exactMapping.attId);
+      if (columnConfig) {
+        const cellValue = activeSheet.getValue(info.row, info.col);
+        const errorMessage = validateCellValue(cellValue, columnConfig.type, columnConfig.options);
+        const cell = activeSheet.getCell(info.row, info.col);
+
+        if (errorMessage) {
+          // 🚨 에러 스타일 적용
+          const errorStyle = new GC.Spread.Sheets.Style();
+          errorStyle.backColor = "#fef2f2";
+          errorStyle.foreColor = "#dc2626";
+          errorStyle.borderLeft = new GC.Spread.Sheets.LineBorder("#dc2626", GC.Spread.Sheets.LineStyle.thick);
+          errorStyle.borderRight = new GC.Spread.Sheets.LineBorder("#dc2626", GC.Spread.Sheets.LineStyle.thick);
+          errorStyle.borderTop = new GC.Spread.Sheets.LineBorder("#dc2626", GC.Spread.Sheets.LineStyle.thick);
+          errorStyle.borderBottom = new GC.Spread.Sheets.LineBorder("#dc2626", GC.Spread.Sheets.LineStyle.thick);
+
+          activeSheet.setStyle(info.row, info.col, errorStyle);
+          cell.locked(!exactMapping.isEditable); // 편집 가능 상태 유지
+          toast.warning(`Invalid value in ${exactMapping.attId}: ${errorMessage}`, { duration: 5000 });
+        } else {
+          // ✅ 정상 스타일 복원
+          const normalStyle = createCellStyle(activeSheet, info.row, info.col, exactMapping.isEditable);
+          activeSheet.setStyle(info.row, info.col, normalStyle);
+          cell.locked(!exactMapping.isEditable);
+        }
+      }
+
+      setHasChanges(true);
+    });
+
+    console.log(`🛡️ Protection configured. Editable cells: ${mappings.filter(m => m.isEditable).length}`);
+  }, [templateType, tableData, createCellStyle, validateCellValue, columnsJSON]);
+
+  // 🚀 최적화된 initSpread
+  const initSpread = React.useCallback(async (spread: any, template?: TemplateItem) => {
+    const workingTemplate = template || selectedTemplate;
+    if (!spread || !workingTemplate) {
+      console.error('❌ Invalid spread or template');
+      return;
+    }
+
+    try {
+      console.log('🚀 Starting optimized spread initialization...');
+      setIsInitializing(true);
+      updateProgress('Initializing...', 0, 100);
+      
+      setCurrentSpread(spread);
+      setHasChanges(false);
+      setValidationErrors([]);
+
+      // 🚀 핵심 최적화: 모든 렌더링과 이벤트 중단
+      spread.suspendPaint();
+      spread.suspendEvent();
+      spread.suspendCalcService();
+      
+      updateProgress('Setting up workspace...', 10, 100);
+
+      try {
+        let activeSheet = getSafeActiveSheet(spread, 'initSpread');
+        if (!activeSheet) {
+          throw new Error('Failed to get initial activeSheet');
+        }
+
+        activeSheet.options.isProtected = false;
+        let mappings: CellMapping[] = [];
+
+        if (templateType === 'GRD_LIST') {
+          updateProgress('Creating dynamic table...', 20, 100);
+          
+          spread.clearSheets();
+          spread.addSheet(0);
+          const sheet = spread.getSheet(0);
+          sheet.name('Data');
+          spread.setActiveSheet('Data');
+          
+          updateProgress('Processing table data...', 50, 100);
+          mappings = createGrdListTableOptimized(sheet, workingTemplate);
+          
+        } else {
+          updateProgress('Loading template structure...', 20, 100);
+          
+          let contentJson = workingTemplate.SPR_LST_SETUP?.CONTENT || workingTemplate.SPR_ITM_LST_SETUP?.CONTENT;
+          let dataSheets = workingTemplate.SPR_LST_SETUP?.DATA_SHEETS || workingTemplate.SPR_ITM_LST_SETUP?.DATA_SHEETS;
+
+          if (!contentJson || !dataSheets) {
+            throw new Error(`No template content found for ${workingTemplate.NAME}`);
+          }
+
+          const jsonData = typeof contentJson === 'string' ? JSON.parse(contentJson) : contentJson;
+          
+          updateProgress('Loading template layout...', 40, 100);
+          spread.fromJSON(jsonData);
+          
+          activeSheet = getSafeActiveSheet(spread, 'after-fromJSON');
+          if (!activeSheet) {
+            throw new Error('ActiveSheet became null after loading template');
+          }
+
+          activeSheet.options.isProtected = false;
+
+          if (templateType === 'SPREAD_LIST' && tableData.length > 0) {
+            updateProgress('Processing data rows...', 60, 100);
+
+            const activeSheetName = workingTemplate.SPR_LST_SETUP?.ACT_SHEET;
+
+            const matchingDataSheets = dataSheets.filter(ds => 
+              ds.SHEET_NAME === activeSheetName
+            );
+
+            if (activeSheetName && spread.getSheetFromName(activeSheetName)) {
+              spread.setActiveSheet(activeSheetName);
+            }
+
+            matchingDataSheets.forEach(dataSheet => {
+              if (dataSheet.MAP_CELL_ATT && dataSheet.MAP_CELL_ATT.length > 0) {
+                dataSheet.MAP_CELL_ATT.forEach((mapping: any) => {
+                  const { ATT_ID, IN } = mapping;
+                  if (!ATT_ID || !IN || IN.trim() === "") return;
+
+                  const cellPos = parseCellAddress(IN);
+                  if (!cellPos) return;
+
+                  const requiredRows = cellPos.row + tableData.length;
+                  if (!ensureRowCapacity(activeSheet, requiredRows)) return;
+
+                  // 🚀 배치 데이터 준비
+                  const valuesToSet: Array<{row: number, col: number, value: any}> = [];
+                  const stylesToSet: Array<{row: number, col: number, isEditable: boolean}> = [];
+
+                  tableData.forEach((rowData, index) => {
+                    const targetRow = cellPos.row + index;
+                    const cellEditable = isFieldEditable(ATT_ID, rowData);
+                    const value = rowData[ATT_ID];
+
+                    mappings.push({
+                      attId: ATT_ID,
+                      cellAddress: getCellAddress(targetRow, cellPos.col),
+                      isEditable: cellEditable,
+                      dataRowIndex: index
+                    });
+
+                    valuesToSet.push({
+                      row: targetRow,
+                      col: cellPos.col,
+                      value: value ?? null
+                    });
+
+                    stylesToSet.push({
+                      row: targetRow,
+                      col: cellPos.col,
+                      isEditable: cellEditable
+                    });
+                  });
+
+                  // 🚀 배치 처리
+                  setBatchValues(activeSheet, valuesToSet);
+                  setBatchStyles(activeSheet, stylesToSet);
+
+                  // 드롭다운 설정
+                  const columnConfig = columnsJSON.find(col => col.key === ATT_ID);
+                  if (columnConfig?.type === "LIST" && columnConfig.options) {
+                    const hasEditableRows = tableData.some((rowData) => isFieldEditable(ATT_ID, rowData));
+                    if (hasEditableRows) {
+                      setupOptimizedListValidation(activeSheet, cellPos, columnConfig.options, tableData.length);
+                    }
+                  }
+                });
+              }
+            });
+            
+          } else if (templateType === 'SPREAD_ITEM' && selectedRow) {
+            updateProgress('Setting up form fields...', 60, 100);
+              const activeSheetName = workingTemplate.SPR_ITM_LST_SETUP?.ACT_SHEET;
+
+              const matchingDataSheets = dataSheets.filter(ds => 
+                ds.SHEET_NAME === activeSheetName
+              );
+  
+              if (activeSheetName && spread.getSheetFromName(activeSheetName)) {
+                spread.setActiveSheet(activeSheetName);
+              }
+
+              matchingDataSheets.forEach(dataSheet => {
+              dataSheet.MAP_CELL_ATT?.forEach((mapping: any) => {
+                const { ATT_ID, IN } = mapping;
+                const cellPos = parseCellAddress(IN);
+                if (cellPos) {
+                  const isEditable = isFieldEditable(ATT_ID);
+                  const value = selectedRow[ATT_ID];
+                  
+                  mappings.push({
+                    attId: ATT_ID,
+                    cellAddress: IN,
+                    isEditable: isEditable,
+                    dataRowIndex: 0
+                  });
+                  
+                  const cell = activeSheet.getCell(cellPos.row, cellPos.col);
+                  cell.value(value ?? null);
+                  
+                  const style = createCellStyle(activeSheet, cellPos.row, cellPos.col, isEditable);
+                  activeSheet.setStyle(cellPos.row, cellPos.col, style);
+                  
+                  const columnConfig = columnsJSON.find(col => col.key === ATT_ID);
+                  if (columnConfig?.type === "LIST" && columnConfig.options && isEditable) {
+                    setupOptimizedListValidation(activeSheet, cellPos, columnConfig.options, 1);
+                  }
+                }
+              });
+            });
+          }
+        }
+
+        updateProgress('Configuring interactions...', 90, 100);
+        setCellMappings(mappings);
+        
+        const finalActiveSheet = getSafeActiveSheet(spread, 'setupEvents');
+        if (finalActiveSheet) {
+          setupSheetProtectionAndEvents(finalActiveSheet, mappings);
+        }
+
+        updateProgress('Finalizing...', 100, 100);
+        console.log(`✅ Optimized initialization completed with ${mappings.length} mappings`);
+
+      } finally {
+        // 🚀 올바른 순서로 재개
+        spread.resumeCalcService();
+        spread.resumeEvent();
+        spread.resumePaint();
+      }
+
+    } catch (error) {
+      console.error('❌ Error in optimized spread initialization:', error);
+      if (spread?.resumeCalcService) spread.resumeCalcService();
+      if (spread?.resumeEvent) spread.resumeEvent();
+      if (spread?.resumePaint) spread.resumePaint();
+      toast.error(`Template loading failed: ${error.message}`);
+    } finally {
+      setIsInitializing(false);
+      setLoadingProgress(null);
+    }
+  }, [selectedTemplate, templateType, selectedRow, tableData, updateProgress, getSafeActiveSheet, createGrdListTableOptimized, setBatchValues, setBatchStyles, setupSheetProtectionAndEvents, setCellMappings, createCellStyle, isFieldEditable, columnsJSON, setupOptimizedListValidation, parseCellAddress, ensureRowCapacity, getCellAddress]);
+
+  const handleSaveChanges = React.useCallback(async () => {
+    if (!currentSpread || !hasChanges) {
+      toast.info("No changes to save");
+      return;
+    }
+  
+    const errors = validateAllData();
+    if (errors.length > 0) {
+      toast.error(`Cannot save: ${errors.length} validation errors found. Please fix them first.`);
+      return;
+    }
+  
+    try {
+      setIsPending(true);
+      const activeSheet = currentSpread.getActiveSheet();
+  
+      if (templateType === 'SPREAD_ITEM' && selectedRow) {
+        const dataToSave = { ...selectedRow };
+  
+        cellMappings.forEach(mapping => {
+          if (mapping.isEditable) {
+            const cellPos = parseCellAddress(mapping.cellAddress);
+            if (cellPos) {
+              const cellValue = activeSheet.getValue(cellPos.row, cellPos.col);
+              dataToSave[mapping.attId] = cellValue;
+            }
+          }
+        });
+  
+        dataToSave.TAG_NO = selectedRow.TAG_NO;
+  
+        const { success, message } = await updateFormDataInDB(
+          formCode,
+          contractItemId,
+          dataToSave
+        );
+  
+        if (!success) {
+          toast.error(message);
+          return;
+        }
+  
+        toast.success("Changes saved successfully!");
+        onUpdateSuccess?.(dataToSave);
+  
+      } else if ((templateType === 'SPREAD_LIST' || templateType === 'GRD_LIST') && tableData.length > 0) {
+        console.log('🔍 Starting batch save process...');
+        
+        const updatedRows: GenericData[] = [];
+        let saveCount = 0;
+        let checkedCount = 0;
+  
+        for (let i = 0; i < tableData.length; i++) {
+          const originalRow = tableData[i];
+          const dataToSave = { ...originalRow };
+          let hasRowChanges = false;
+          
+          console.log(`🔍 Processing row ${i} (TAG_NO: ${originalRow.TAG_NO})`);
+  
+          cellMappings.forEach(mapping => {
+            if (mapping.dataRowIndex === i && mapping.isEditable) {
+              checkedCount++;
+              
+              // 🔧 isFieldEditable과 동일한 로직 사용
+              const rowData = tableData[i];
+              const fieldEditable = isFieldEditable(mapping.attId, rowData);
+              
+              console.log(`  📝 Field ${mapping.attId}: fieldEditable=${fieldEditable}, mapping.isEditable=${mapping.isEditable}`);
+              
+              if (fieldEditable) {
+                const cellPos = parseCellAddress(mapping.cellAddress);
+                if (cellPos) {
+                  const cellValue = activeSheet.getValue(cellPos.row, cellPos.col);
+                  const originalValue = originalRow[mapping.attId];
+                  
+                  // 🔧 개선된 값 비교 (타입 변환 및 null/undefined 처리)
+                  const normalizedCellValue = cellValue === null || cellValue === undefined ? "" : String(cellValue).trim();
+                  const normalizedOriginalValue = originalValue === null || originalValue === undefined ? "" : String(originalValue).trim();
+                  
+                  console.log(`    🔍 ${mapping.attId}: "${normalizedOriginalValue}" -> "${normalizedCellValue}"`);
+                  
+                  if (normalizedCellValue !== normalizedOriginalValue) {
+                    dataToSave[mapping.attId] = cellValue;
+                    hasRowChanges = true;
+                    console.log(`    ✅ Change detected for ${mapping.attId}`);
+                  }
+                }
+              }
+            }
+          });
+  
+          if (hasRowChanges) {
+            console.log(`💾 Saving row ${i} with changes`);
+            dataToSave.TAG_NO = originalRow.TAG_NO;
+            
+            try {
+              const { success, message } = await updateFormDataInDB(
+                formCode,
+                contractItemId,
+                dataToSave
+              );
+  
+              if (success) {
+                updatedRows.push(dataToSave);
+                saveCount++;
+                console.log(`✅ Row ${i} saved successfully`);
+              } else {
+                console.error(`❌ Failed to save row ${i}: ${message}`);
+                toast.error(`Failed to save row ${i + 1}: ${message}`);
+                updatedRows.push(originalRow); // 원본 데이터 유지
+              }
+            } catch (error) {
+              console.error(`❌ Error saving row ${i}:`, error);
+              toast.error(`Error saving row ${i + 1}`);
+              updatedRows.push(originalRow); // 원본 데이터 유지
+            }
+          } else {
+            updatedRows.push(originalRow);
+            console.log(`ℹ️ No changes in row ${i}`);
+          }
+        }
+  
+        console.log(`📊 Save summary: ${saveCount} saved, ${checkedCount} fields checked`);
+  
+        if (saveCount > 0) {
+          toast.success(`${saveCount} rows saved successfully!`);
+          onUpdateSuccess?.(updatedRows);
+        } else {
+          console.warn(`⚠️ No changes detected despite hasChanges=${hasChanges}`);
+          toast.warning("No actual changes were found to save. Please check if the values were properly edited.");
+        }
+      }
+  
+      setHasChanges(false);
+      setValidationErrors([]);
+  
+    } catch (error) {
+      console.error("Error saving changes:", error);
+      toast.error("An unexpected error occurred while saving");
+    } finally {
+      setIsPending(false);
+    }
+  }, [
+    currentSpread, 
+    hasChanges, 
+    templateType, 
+    selectedRow, 
+    tableData, 
+    formCode, 
+    contractItemId, 
+    onUpdateSuccess, 
+    cellMappings, 
+    columnsJSON, 
+    validateAllData,
+    isFieldEditable  // 🔧 의존성 추가
+  ]);
+
+  if (!isOpen) return null;
+
+  const isDataValid = templateType === 'SPREAD_ITEM' ? !!selectedRow : tableData.length > 0;
+  const dataCount = templateType === 'SPREAD_ITEM' ? 1 : tableData.length;
+  
+  return (
+    <Dialog open={isOpen} onOpenChange={onClose}>
+      <DialogContent
+        className="w-[90vw] max-w-[1400px] h-[85vh] flex flex-col fixed top-[50%] left-[50%] translate-x-[-50%] translate-y-[-50%] z-50"
+      >
+        <DialogHeader className="flex-shrink-0">
+          <DialogTitle>SEDP Template - {formCode}</DialogTitle>
+          <DialogDescription>
+            <div className="space-y-3">
+              {availableTemplates.length > 1 && (
+                <div className="flex items-center gap-4">
+                  <span className="text-sm font-medium">Template:</span>
+                  <Select value={selectedTemplateId} onValueChange={handleTemplateChange}>
+                    <SelectTrigger className="w-64">
+                      <SelectValue placeholder="Select a template" />
+                    </SelectTrigger>
+                    <SelectContent>
+                      {availableTemplates.map(template => (
+                        <SelectItem key={template.TMPL_ID} value={template.TMPL_ID}>
+                          {template.NAME} ({template.TMPL_TYPE})
+                        </SelectItem>
+                      ))}
+                    </SelectContent>
+                  </Select>
+                </div>
+              )}
+
+              {selectedTemplate && (
+                <div className="flex items-center gap-4 text-sm">
+                  <span className="font-medium text-blue-600">
+                    Template Type: {
+                      templateType === 'SPREAD_LIST' ? 'List View (SPREAD_LIST)' :
+                        templateType === 'SPREAD_ITEM' ? 'Item View (SPREAD_ITEM)' :
+                          'Grid List View (GRD_LIST)'
+                    }
+                  </span>
+                  {templateType === 'SPREAD_ITEM' && selectedRow && (
+                    <span>• Selected TAG_NO: {selectedRow.TAG_NO || 'N/A'}</span>
+                  )}
+                  {(templateType === 'SPREAD_LIST' || templateType === 'GRD_LIST') && (
+                    <span>• {dataCount} rows</span>
+                  )}
+                  {hasChanges && (
+                    <span className="text-orange-600 font-medium">
+                      • Unsaved changes
+                    </span>
+                  )}
+                  {validationErrors.length > 0 && (
+                    <span className="text-red-600 font-medium flex items-center">
+                      <AlertTriangle className="w-4 h-4 mr-1" />
+                      {validationErrors.length} validation errors
+                    </span>
+                  )}
+                </div>
+              )}
+
+              <div className="flex items-center gap-4 text-xs">
+                <span className="text-muted-foreground">
+                  <span className="inline-block w-3 h-3 bg-green-100 border border-green-400 mr-1"></span>
+                  Editable fields
+                </span>
+                <span className="text-muted-foreground">
+                  <span className="inline-block w-3 h-3 bg-gray-100 border border-gray-300 mr-1"></span>
+                  Read-only fields
+                </span>
+                <span className="text-muted-foreground">
+                  <span className="inline-block w-3 h-3 bg-red-100 border border-red-300 mr-1"></span>
+                  Validation errors
+                </span>
+                {cellMappings.length > 0 && (
+                  <span className="text-blue-600">
+                    {editableFieldsCount} of {cellMappings.length} fields editable
+                  </span>
+                )}
+              </div>
+            </div>
+          </DialogDescription>
+        </DialogHeader>
+
+        <div className="flex-1 overflow-hidden relative">
+          {/* 🆕 로딩 프로그레스 오버레이 */}
+          <LoadingProgress 
+            phase={loadingProgress?.phase || ''}
+            progress={loadingProgress?.progress || 0}
+            total={loadingProgress?.total || 100}
+            isVisible={isInitializing && !!loadingProgress}
+          />
+          
+          {selectedTemplate && isClient && isDataValid ? (
+            <SpreadSheets
+              key={`${templateType}-${selectedTemplate.TMPL_ID}-${selectedTemplateId}`}
+              workbookInitialized={initSpread}
+              hostStyle={hostStyle}
+            />
+          ) : (
+            <div className="flex items-center justify-center h-full text-muted-foreground">
+              {!isClient ? (
+                <>
+                  <Loader className="mr-2 h-4 w-4 animate-spin" />
+                  Loading...
+                </>
+              ) : !selectedTemplate ? (
+                "No template available"
+              ) : !isDataValid ? (
+                `No ${templateType === 'SPREAD_ITEM' ? 'selected row' : 'data'} available`
+              ) : (
+                "Template not ready"
+              )}
+            </div>
+          )}
+        </div>
+
+        <DialogFooter className="flex-shrink-0">
+          <div className="flex items-center gap-2">
+            <Button variant="outline" onClick={onClose}>
+              Close
+            </Button>
+
+            {hasChanges && (
+              <Button
+                variant="default"
+                onClick={handleSaveChanges}
+                disabled={isPending || validationErrors.length > 0}
+              >
+                {isPending ? (
+                  <>
+                    <Loader className="mr-2 h-4 w-4 animate-spin" />
+                    Saving...
+                  </>
+                ) : (
+                  <>
+                    <Save className="mr-2 h-4 w-4" />
+                    Save Changes
+                  </>
+                )}
+              </Button>
+            )}
+
+            {validationErrors.length > 0 && (
+              <Button
+                variant="outline"
+                onClick={validateAllData}
+                className="text-red-600 border-red-300 hover:bg-red-50"
+              >
+                <AlertTriangle className="mr-2 h-4 w-4" />
+                Check Errors ({validationErrors.length})
+              </Button>
+            )}
+          </div>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
\ No newline at end of file