backend-node/src/controllers/adminController.ts

@@ -3564,7 +3564,6 @@ export async function getTableSchema(
     logger.info("테이블 스키마 조회", { tableName, companyCode });
 
     // information_schema와 table_type_columns를 JOIN하여 컬럼 정보와 라벨 정보 함께 가져오기
-    // 회사별 라벨 우선, 없으면 공통(*) 라벨 사용
     const schemaQuery = `
       SELECT 
         ic.column_name,
@@ -3574,23 +3573,19 @@ export async function getTableSchema(
         ic.character_maximum_length,
         ic.numeric_precision,
         ic.numeric_scale,
-        COALESCE(ttc_company.column_label, ttc_common.column_label) AS column_label,
-        COALESCE(ttc_company.display_order, ttc_common.display_order) AS display_order
+        ttc.column_label,
+        ttc.display_order
       FROM information_schema.columns ic
-      LEFT JOIN table_type_columns ttc_common 
-        ON ttc_common.table_name = ic.table_name 
-        AND ttc_common.column_name = ic.column_name
-        AND ttc_common.company_code = '*'
-      LEFT JOIN table_type_columns ttc_company 
-        ON ttc_company.table_name = ic.table_name 
-        AND ttc_company.column_name = ic.column_name
-        AND ttc_company.company_code = $2
+      LEFT JOIN table_type_columns ttc 
+        ON ttc.table_name = ic.table_name 
+        AND ttc.column_name = ic.column_name
+        AND ttc.company_code = '*'
       WHERE ic.table_schema = 'public'
         AND ic.table_name = $1
-      ORDER BY COALESCE(ttc_company.display_order, ttc_common.display_order, ic.ordinal_position), ic.ordinal_position
+      ORDER BY COALESCE(ttc.display_order, ic.ordinal_position), ic.ordinal_position
     `;
 
-    const columns = await query<any>(schemaQuery, [tableName, companyCode]);
+    const columns = await query<any>(schemaQuery, [tableName]);
 
     if (columns.length === 0) {
       res.status(404).json({

backend-node/src/controllers/dynamicFormController.ts

@@ -2,7 +2,6 @@ import { Response } from "express";
 import { dynamicFormService } from "../services/dynamicFormService";
 import { enhancedDynamicFormService } from "../services/enhancedDynamicFormService";
 import { AuthenticatedRequest } from "../types/auth";
-import { formatPgError } from "../utils/pgErrorUtil";
 
 // 폼 데이터 저장 (기존 버전 - 레거시 지원)
 export const saveFormData = async (
@@ -69,12 +68,9 @@ export const saveFormData = async (
     });
   } catch (error: any) {
     console.error("❌ 폼 데이터 저장 실패:", error);
-    const { companyCode } = req.user as any;
-    const friendlyMsg = await formatPgError(error, companyCode);
-    const statusCode = error.code?.startsWith("23") ? 400 : 500;
-    res.status(statusCode).json({
+    res.status(500).json({
       success: false,
-      message: friendlyMsg,
+      message: error.message || "데이터 저장에 실패했습니다.",
     });
   }
 };
@@ -122,12 +118,9 @@ export const saveFormDataEnhanced = async (
     res.json(result);
   } catch (error: any) {
     console.error("❌ 개선된 폼 데이터 저장 실패:", error);
-    const { companyCode } = req.user as any;
-    const friendlyMsg = await formatPgError(error, companyCode);
-    const statusCode = error.code?.startsWith("23") ? 400 : 500;
-    res.status(statusCode).json({
+    res.status(500).json({
       success: false,
-      message: friendlyMsg,
+      message: error.message || "데이터 저장에 실패했습니다.",
     });
   }
 };
@@ -170,12 +163,9 @@ export const updateFormData = async (
     });
   } catch (error: any) {
     console.error("❌ 폼 데이터 업데이트 실패:", error);
-    const { companyCode } = req.user as any;
-    const friendlyMsg = await formatPgError(error, companyCode);
-    const statusCode = error.code?.startsWith("23") ? 400 : 500;
-    res.status(statusCode).json({
+    res.status(500).json({
       success: false,
-      message: friendlyMsg,
+      message: error.message || "데이터 업데이트에 실패했습니다.",
     });
   }
 };
@@ -226,12 +216,9 @@ export const updateFormDataPartial = async (
     });
   } catch (error: any) {
     console.error("❌ 부분 업데이트 실패:", error);
-    const { companyCode } = req.user as any;
-    const friendlyMsg = await formatPgError(error, companyCode);
-    const statusCode = error.code?.startsWith("23") ? 400 : 500;
-    res.status(statusCode).json({
+    res.status(500).json({
       success: false,
-      message: friendlyMsg,
+      message: error.message || "부분 업데이트에 실패했습니다.",
     });
   }
 };

backend-node/src/middleware/errorHandler.ts

@@ -47,10 +47,7 @@ export const errorHandler = (
       error = new AppError("참조 무결성 제약 조건 위반입니다.", 400);
     } else if (pgError.code === "23502") {
       // not_null_violation
-      const colName = pgError.column || "";
-      const tableName = pgError.table || "";
-      const detail = colName ? ` [${tableName}.${colName}]` : "";
-      error = new AppError(`필수 입력값이 누락되었습니다.${detail}`, 400);
+      error = new AppError("필수 입력값이 누락되었습니다.", 400);
     } else if (pgError.code.startsWith("23")) {
       // 기타 무결성 제약 조건 위반
       error = new AppError("데이터 무결성 제약 조건 위반입니다.", 400);
@@ -87,7 +84,6 @@ export const errorHandler = (
   // 응답 전송
   res.status(statusCode).json({
     success: false,
-    message: message,
     error: {
       message: message,
       ...(process.env.NODE_ENV === "development" && { stack: error.stack }),

backend-node/src/utils/pgErrorUtil.ts

@@ -1,50 +0,0 @@
-import { query } from "../database/db";
-
-/**
- * PostgreSQL 에러를 사용자 친절한 메시지로 변환
- * table_type_columns의 column_label을 조회하여 한글 라벨로 표시
- */
-export async function formatPgError(
-  error: any,
-  companyCode?: string
-): Promise<string> {
-  if (!error || !error.code) {
-    return error?.message || "데이터 처리 중 오류가 발생했습니다.";
-  }
-
-  switch (error.code) {
-    case "23502": {
-      // not_null_violation
-      const colName = error.column || "";
-      const tblName = error.table || "";
-
-      if (colName && tblName && companyCode) {
-        try {
-          const rows = await query(
-            `SELECT column_label FROM table_type_columns 
-             WHERE table_name = $1 AND column_name = $2 AND company_code = $3 
-             LIMIT 1`,
-            [tblName, colName, companyCode]
-          );
-          const label = rows[0]?.column_label;
-          if (label) {
-            return `필수 입력값이 누락되었습니다: ${label}`;
-          }
-        } catch {
-          // 라벨 조회 실패 시 컬럼명으로 폴백
-        }
-      }
-      const detail = colName ? ` [${colName}]` : "";
-      return `필수 입력값이 누락되었습니다.${detail}`;
-    }
-    case "23505":
-      return "중복된 데이터가 존재합니다.";
-    case "23503":
-      return "참조 무결성 제약 조건 위반입니다.";
-    default:
-      if (error.code.startsWith("23")) {
-        return "데이터 무결성 제약 조건 위반입니다.";
-      }
-      return error.message || "데이터 처리 중 오류가 발생했습니다.";
-  }
-}

frontend/components/screen/InteractiveScreenViewer.tsx

@@ -245,17 +245,6 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
   // 통합된 폼 데이터
   const finalFormData = { ...localFormData, ...externalFormData };
 
-  // 테이블 타입관리 NOT NULL 기반 필수 여부 판단
-  const isColumnRequired = useCallback((columnName: string): boolean => {
-    if (!columnName || tableColumns.length === 0) return false;
-    const colInfo = tableColumns.find(
-      (c: any) => (c.columnName || c.column_name || "").toLowerCase() === columnName.toLowerCase()
-    );
-    if (!colInfo) return false;
-    const nullable = (colInfo as any).isNullable || (colInfo as any).is_nullable;
-    return nullable === "NO" || nullable === "N";
-  }, [tableColumns]);
-
   // 🆕 조건부 레이어 로직 (formData 변경 시 자동 평가)
   useEffect(() => {
     layers.forEach((layer) => {
@@ -1623,11 +1612,8 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
             return;
           }
 
-          // 필수 항목 검증 (테이블 타입관리 NOT NULL 기반 + 기존 required 속성 폴백)
-          const requiredFields = allComponents.filter(c => {
-            const colName = c.columnName || c.id;
-            return (c.required || isColumnRequired(colName)) && colName;
-          });
+          // 필수 항목 검증
+          const requiredFields = allComponents.filter(c => c.required && (c.columnName || c.id));
           const missingFields = requiredFields.filter(field => {
             const fieldName = field.columnName || field.id;
             const value = currentFormData[fieldName];
@@ -2500,7 +2486,7 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
                 style={labelStyle}
               >
                 {labelText}
-                {(component.required || component.componentConfig?.required || isColumnRequired(component.columnName || component.style?.columnName || "")) && <span className="ml-1 text-destructive">*</span>}
+                {(component.required || component.componentConfig?.required) && <span className="ml-1 text-destructive">*</span>}
               </label>
             )}
 
@@ -2519,7 +2505,7 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
                 }}
               >
                 {labelText}
-                {(component.required || component.componentConfig?.required || isColumnRequired(component.columnName || component.style?.columnName || "")) && <span className="ml-1 text-destructive">*</span>}
+                {(component.required || component.componentConfig?.required) && <span className="ml-1 text-destructive">*</span>}
               </label>
             )}
           </div>

frontend/components/screen/InteractiveScreenViewerDynamic.tsx

@@ -11,7 +11,7 @@ import { ComponentData, WidgetComponent, DataTableComponent, FileComponent, Butt
 import { FileUploadComponent } from "@/lib/registry/components/file-upload/FileUploadComponent";
 import { InteractiveDataTable } from "./InteractiveDataTable";
 import { DynamicWebTypeRenderer } from "@/lib/registry";
-import { DynamicComponentRenderer, isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
+import { DynamicComponentRenderer } from "@/lib/registry/DynamicComponentRenderer";
 import { filterDOMProps } from "@/lib/utils/domPropsFilter";
 import { isFileComponent, isDataTableComponent, isButtonComponent } from "@/lib/utils/componentTypeUtils";
 import { FlowButtonGroup } from "./widgets/FlowButtonGroup";
@@ -558,13 +558,9 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
       if (onSave) {
         try {
           await onSave();
-        } catch (error: any) {
+        } catch (error) {
           console.error("저장 오류:", error);
-          const msg =
-            error?.response?.data?.message ||
-            error?.message ||
-            "저장에 실패했습니다.";
-          toast.error(msg);
+          toast.error("저장 중 오류가 발생했습니다.");
         }
         return;
       }
@@ -599,12 +595,8 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
           );
 
           toast.success("데이터가 성공적으로 저장되었습니다.");
-        } catch (error: any) {
-          const msg =
-            error?.response?.data?.message ||
-            error?.message ||
-            "저장에 실패했습니다.";
-          toast.error(msg);
+        } catch (error) {
+          toast.error("저장 중 오류가 발생했습니다.");
         }
         return;
       }
@@ -664,12 +656,8 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
         } else {
           toast.error(response.message || "저장에 실패했습니다.");
         }
-      } catch (error: any) {
-        const msg =
-          error?.response?.data?.message ||
-          error?.message ||
-          "저장에 실패했습니다.";
-        toast.error(msg);
+      } catch (error) {
+        toast.error("저장 중 오류가 발생했습니다.");
       }
     };
 
@@ -1306,8 +1294,9 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
         ...(labelPos === "bottom" ? { marginTop: style?.labelMarginBottom || "4px" } : {}),
       }}
     >
-      {labelText}{((component as any).required || (component as any).componentConfig?.required || isColumnRequiredByMeta((component as any).tableName, (component as any).columnName)) && (
-        <span className="text-orange-500">*</span>
+      {labelText}
+      {((component as any).required || (component as any).componentConfig?.required) && (
+        <span className="ml-1 text-destructive">*</span>
       )}
     </label>
   ) : null;
@@ -1360,8 +1349,9 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
                   whiteSpace: "nowrap",
                 }}
               >
-                {labelText}{((component as any).required || (component as any).componentConfig?.required || isColumnRequiredByMeta((component as any).tableName, (component as any).columnName)) && (
-                  <span className="text-orange-500">*</span>
+                {labelText}
+                {((component as any).required || (component as any).componentConfig?.required) && (
+                  <span className="ml-1 text-destructive">*</span>
                 )}
               </label>
               <div style={{ width: "100%", height: "100%" }}>

frontend/components/screen/SaveModal.tsx

@@ -10,7 +10,6 @@ import { DynamicComponentRenderer } from "@/lib/registry/DynamicComponentRendere
 import { InteractiveScreenViewer } from "./InteractiveScreenViewer";
 import { screenApi } from "@/lib/api/screen";
 import { dynamicFormApi, DynamicFormData } from "@/lib/api/dynamicForm";
-import { getTableColumns, ColumnTypeInfo } from "@/lib/api/tableManagement";
 import { ComponentData } from "@/lib/types/screen";
 import { useAuth } from "@/hooks/useAuth";
 
@@ -43,7 +42,6 @@ export const SaveModal: React.FC<SaveModalProps> = ({
   const [originalData, setOriginalData] = useState<Record<string, any>>(initialData || {});
   const [screenData, setScreenData] = useState<any>(null);
   const [components, setComponents] = useState<ComponentData[]>([]);
-  const [tableColumnsInfo, setTableColumnsInfo] = useState<ColumnTypeInfo[]>([]);
   const [loading, setLoading] = useState(true);
   const [isSaving, setIsSaving] = useState(false);
 
@@ -72,19 +70,6 @@ export const SaveModal: React.FC<SaveModalProps> = ({
         const layout = await screenApi.getLayout(screenId);
         setComponents(layout.components || []);
 
-        // 테이블 컬럼 정보 로드 (NOT NULL 필수값 자동 인식용)
-        const tblName = screen?.tableName || layout.components?.find((c: any) => c.columnName)?.tableName;
-        if (tblName) {
-          try {
-            const colResult = await getTableColumns(tblName);
-            if (colResult.success && colResult.data?.columns) {
-              setTableColumnsInfo(colResult.data.columns);
-            }
-          } catch (colErr) {
-            console.warn("테이블 컬럼 정보 로드 실패 (필수값 검증 시 기존 방식 사용):", colErr);
-          }
-        }
-
         // initialData가 있으면 폼에 채우기
         if (initialData) {
           setFormData(initialData);
@@ -121,39 +106,34 @@ export const SaveModal: React.FC<SaveModalProps> = ({
     };
   }, [onClose]);
 
-  // 테이블 타입관리의 NOT NULL 설정 기반으로 필수 여부 판단
-  const isColumnRequired = (columnName: string): boolean => {
-    if (!columnName || tableColumnsInfo.length === 0) return false;
-    const colInfo = tableColumnsInfo.find(
-      (c) => c.columnName.toLowerCase() === columnName.toLowerCase()
-    );
-    if (!colInfo) return false;
-    // is_nullable가 "NO"이면 필수
-    return colInfo.isNullable === "NO" || colInfo.isNullable === "N";
-  };
-
-  // 필수 항목 검증 (테이블 타입관리 NOT NULL + 기존 required 속성 병합)
+  // 필수 항목 검증
   const validateRequiredFields = (): { isValid: boolean; missingFields: string[] } => {
     const missingFields: string[] = [];
 
     components.forEach((component) => {
-      const columnName = component.columnName || component.style?.columnName;
-      const label = component.label || component.style?.label || columnName;
-
-      // 기존 required 속성 (화면 디자이너에서 수동 설정한 것)
-      const manualRequired = 
+      // 컴포넌트의 required 속성 확인 (여러 위치에서 체크)
+      const isRequired = 
         component.required === true || 
         component.style?.required === true ||
         component.componentConfig?.required === true;
+      
+      const columnName = component.columnName || component.style?.columnName;
+      const label = component.label || component.style?.label || columnName;
 
-      // 테이블 타입관리 NOT NULL 기반 필수 (컬럼 정보가 있을 때만)
-      const notNullRequired = columnName ? isColumnRequired(columnName) : false;
-
-      // 둘 중 하나라도 필수이면 검증
-      const isRequired = manualRequired || notNullRequired;
+      console.log("🔍 필수 항목 검증:", {
+        componentId: component.id,
+        columnName,
+        label,
+        isRequired,
+        "component.required": component.required,
+        "style.required": component.style?.required,
+        "componentConfig.required": component.componentConfig?.required,
+        value: formData[columnName || ""],
+      });
 
       if (isRequired && columnName) {
         const value = formData[columnName];
+        // 값이 비어있는지 확인 (null, undefined, 빈 문자열, 공백만 있는 문자열)
         if (value === null || value === undefined || (typeof value === "string" && value.trim() === "")) {
           missingFields.push(label || columnName);
         }
@@ -282,8 +262,7 @@ export const SaveModal: React.FC<SaveModalProps> = ({
           }, 300); // 모달 닫힘 애니메이션 후 실행
         }
       } else {
-        const errorMsg = result.message || result.error?.message || "저장에 실패했습니다.";
-        toast.error(errorMsg);
+        throw new Error(result.message || "저장에 실패했습니다.");
       }
     } catch (error: any) {
       // ❌ 저장 실패 - 모달은 닫히지 않음
@@ -426,8 +405,7 @@ export const SaveModal: React.FC<SaveModalProps> = ({
                           }));
                         }}
                         hideLabel={false}
-                        menuObjid={menuObjid}
-                        tableColumns={tableColumnsInfo as any}
+                        menuObjid={menuObjid} // 🆕 메뉴 OBJID 전달 (카테고리 스코프용)
                       />
                     ) : (
                       <DynamicComponentRenderer

frontend/components/screen/panels/V2PropertiesPanel.tsx

@@ -943,31 +943,19 @@ export const V2PropertiesPanel: React.FC<V2PropertiesPanelProps> = ({
 
         {/* 옵션 - 입력 필드에서는 항상 표시, 기타 컴포넌트는 속성이 정의된 경우만 표시 */}
         <div className="grid grid-cols-2 gap-2">
-          {(isInputField || widget.required !== undefined) && (() => {
-            const colName = widget.columnName || selectedComponent?.columnName;
-            const colMeta = colName ? currentTable?.columns?.find(
-              (c: any) => (c.columnName || c.column_name || "").toLowerCase() === colName.toLowerCase()
-            ) : null;
-            const isNotNull = colMeta && ((colMeta as any).isNullable === "NO" || (colMeta as any).isNullable === "N" || (colMeta as any).is_nullable === "NO" || (colMeta as any).is_nullable === "N");
-            return (
-              <div className="flex items-center space-x-2">
-                <Checkbox
-                  checked={isNotNull || widget.required === true || selectedComponent.componentConfig?.required === true}
-                  onCheckedChange={(checked) => {
-                    if (isNotNull) return;
-                    handleUpdate("required", checked);
-                    handleUpdate("componentConfig.required", checked);
-                  }}
-                  disabled={!!isNotNull}
-                  className="h-4 w-4"
-                />
-                <Label className="text-xs">
-                  필수
-                  {isNotNull && <span className="text-muted-foreground ml-1">(NOT NULL)</span>}
-                </Label>
-              </div>
-            );
-          })()}
+          {(isInputField || widget.required !== undefined) && (
+            <div className="flex items-center space-x-2">
+              <Checkbox
+                checked={widget.required === true || selectedComponent.componentConfig?.required === true}
+                onCheckedChange={(checked) => {
+                  handleUpdate("required", checked);
+                  handleUpdate("componentConfig.required", checked);
+                }}
+                className="h-4 w-4"
+              />
+              <Label className="text-xs">필수</Label>
+            </div>
+          )}
           {(isInputField || widget.readonly !== undefined) && (
             <div className="flex items-center space-x-2">
               <Checkbox

frontend/components/v2/V2Date.tsx

@@ -724,7 +724,8 @@ export const V2Date = forwardRef<HTMLDivElement, V2DateProps>((props, ref) => {
       }}
       className="text-sm font-medium whitespace-nowrap"
     >
-      {label}{required && <span className="text-orange-500">*</span>}
+      {label}
+      {required && <span className="ml-0.5 text-orange-500">*</span>}
     </Label>
   ) : null;
 

frontend/components/v2/V2Hierarchy.tsx

@@ -491,7 +491,8 @@ export const V2Hierarchy = forwardRef<HTMLDivElement, V2HierarchyProps>(
             }}
             className="text-sm font-medium whitespace-nowrap"
           >
-            {label}{required && <span className="text-orange-500">*</span>}
+            {label}
+            {required && <span className="text-orange-500 ml-0.5">*</span>}
           </Label>
         )}
         <div className="h-full w-full">

frontend/components/v2/V2Input.tsx

@@ -994,7 +994,8 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
       }}
       className="text-sm font-medium whitespace-nowrap"
     >
-      {actualLabel}{required && <span className="text-orange-500">*</span>}
+      {actualLabel}
+      {required && <span className="ml-0.5 text-orange-500">*</span>}
     </Label>
   ) : null;
 

frontend/components/v2/V2Media.tsx

@@ -840,7 +840,8 @@ export const V2Media = forwardRef<HTMLDivElement, V2MediaProps>((props, ref) =>
           }}
           className="shrink-0 text-sm font-medium"
         >
-          {label}{required && <span className="text-orange-500">*</span>}
+          {label}
+          {required && <span className="ml-0.5 text-orange-500">*</span>}
         </Label>
       )}
 

frontend/components/v2/V2Select.tsx

@@ -1181,7 +1181,8 @@ export const V2Select = forwardRef<HTMLDivElement, V2SelectProps>(
         }}
         className="text-sm font-medium whitespace-nowrap"
       >
-        {label}{required && <span className="text-orange-500">*</span>}
+        {label}
+        {required && <span className="text-orange-500 ml-0.5">*</span>}
       </Label>
     ) : null;
 

frontend/lib/registry/DynamicComponentRenderer.tsx

@@ -15,13 +15,7 @@ const columnMetaCache: Record<string, Record<string, any>> = {};
 const columnMetaLoading: Record<string, Promise<void>> = {};
 
 async function loadColumnMeta(tableName: string): Promise<void> {
-  if (columnMetaCache[tableName]) return;
-
-  // 이미 로딩 중이면 해당 Promise를 대기 (race condition 방지)
-  if (columnMetaLoading[tableName]) {
-    await columnMetaLoading[tableName];
-    return;
-  }
+  if (columnMetaCache[tableName] || columnMetaLoading[tableName]) return;
 
   columnMetaLoading[tableName] = (async () => {
     try {
@@ -34,8 +28,7 @@ async function loadColumnMeta(tableName: string): Promise<void> {
         if (name) map[name] = col;
       }
       columnMetaCache[tableName] = map;
-    } catch (e) {
-      console.error(`[columnMeta] ${tableName} 로드 실패:`, e);
+    } catch {
       columnMetaCache[tableName] = {};
     } finally {
       delete columnMetaLoading[tableName];
@@ -45,15 +38,6 @@ async function loadColumnMeta(tableName: string): Promise<void> {
   await columnMetaLoading[tableName];
 }
 
-// 테이블 타입관리 NOT NULL 기반 필수 여부 판단
-export function isColumnRequiredByMeta(tableName?: string, columnName?: string): boolean {
-  if (!tableName || !columnName) return false;
-  const meta = columnMetaCache[tableName]?.[columnName];
-  if (!meta) return false;
-  const nullable = meta.is_nullable || meta.isNullable;
-  return nullable === "NO" || nullable === "N";
-}
-
 // table_type_columns 기반 componentConfig 병합 (기존 설정이 없을 때만 DB 메타데이터로 보완)
 function mergeColumnMeta(tableName: string | undefined, columnName: string | undefined, componentConfig: any): any {
   if (!tableName || !columnName) return componentConfig;
@@ -265,7 +249,7 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
   const screenTableName = props.tableName || (component as any).tableName;
   const [, forceUpdate] = React.useState(0);
   React.useEffect(() => {
-    if (screenTableName) {
+    if (screenTableName && !columnMetaCache[screenTableName]) {
       loadColumnMeta(screenTableName).then(() => forceUpdate((v) => v + 1));
     }
   }, [screenTableName]);
@@ -451,7 +435,7 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
         const labelFontSize = component.style?.labelFontSize || "14px";
         const labelColor = component.style?.labelColor || "#64748b";
         const labelFontWeight = component.style?.labelFontWeight || "500";
-        const isRequired = component.required || (component as any).required || isColumnRequiredByMeta(tableName, columnName);
+        const isRequired = component.required || (component as any).required;
         const isLeft = catLabelPosition === "left";
         return (
           <div style={{ position: "relative", width: "100%", height: "100%" }}>
@@ -470,7 +454,8 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
               }}
               className="text-sm font-medium"
             >
-              {catLabelText}{isRequired && <span className="text-orange-500">*</span>}
+              {catLabelText}
+              {isRequired && <span className="text-orange-500 ml-0.5">*</span>}
             </label>
             <div style={{ width: "100%", height: "100%" }}>
               {renderedCatSelect}
@@ -730,14 +715,10 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
         const baseColumnName = isEntityJoinColumn ? undefined : fieldName;
         const mergedComponentConfig = mergeColumnMeta(screenTableName, baseColumnName, component.componentConfig || {});
 
-        // NOT NULL 기반 필수 여부를 component.required에 반영
-        const notNullRequired = isColumnRequiredByMeta(screenTableName, baseColumnName);
-        const effectiveRequired = component.required || notNullRequired;
-
         // 엔티티 조인 컬럼은 런타임에서 readonly/disabled 강제 해제
         const effectiveComponent = isEntityJoinColumn
-          ? { ...component, componentConfig: mergedComponentConfig, readonly: false, required: effectiveRequired }
-          : { ...component, componentConfig: mergedComponentConfig, required: effectiveRequired };
+          ? { ...component, componentConfig: mergedComponentConfig, readonly: false }
+          : { ...component, componentConfig: mergedComponentConfig };
 
         const rendererProps = {
           component: effectiveComponent,
@@ -757,8 +738,6 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
           style: mergedStyle,
           // 수평 라벨 → 외부에서 처리하므로 label 전달 안 함
           label: needsExternalHorizLabel ? undefined : effectiveLabel,
-          // NOT NULL 메타데이터 포함된 필수 여부 (V2Hierarchy 등 직접 props.required 참조하는 컴포넌트용)
-          required: effectiveRequired,
           // 🆕 V2 레이아웃에서 overrides에서 복원된 상위 레벨 속성들도 전달 (DB 메타데이터 우선)
           inputType: (baseColumnName && columnMetaCache[screenTableName || ""]?.[baseColumnName]?.input_type) || (component as any).inputType || mergedComponentConfig?.inputType,
           columnName: (component as any).columnName || component.componentConfig?.columnName,
@@ -873,7 +852,7 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
           const labelFontSize = component.style?.labelFontSize || "14px";
           const labelColor = component.style?.labelColor || "#64748b";
           const labelFontWeight = component.style?.labelFontWeight || "500";
-          const isRequired = effectiveComponent.required || isColumnRequiredByMeta(screenTableName, baseColumnName);
+          const isRequired = component.required || (component as any).required;
           const isLeft = labelPosition === "left";
 
           return (
@@ -893,7 +872,8 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
                 }}
                 className="text-sm font-medium"
               >
-                {effectiveLabel}{isRequired && <span className="text-orange-500">*</span>}
+                {effectiveLabel}
+                {isRequired && <span className="text-orange-500 ml-0.5">*</span>}
               </label>
               <div style={{ width: "100%", height: "100%" }}>
                 {renderedElement}

frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx

@@ -614,16 +614,27 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
       // 실패한 경우 오류 처리
       if (!success) {
         // UI 전환 액션 및 모달 액션은 에러도 조용히 처리 (모달 내부에서 자체 에러 표시)
-        const silentErrorActions = ["edit", "modal", "navigate", "excel_upload", "barcode_scan", "save", "delete", "quickInsert"];
+        const silentErrorActions = ["edit", "modal", "navigate", "excel_upload", "barcode_scan"];
         if (silentErrorActions.includes(actionConfig.type)) {
           return;
         }
+        // 기본 에러 메시지 결정
         const defaultErrorMessage =
-          actionConfig.type === "submit"
-            ? "제출 중 오류가 발생했습니다."
-            : "처리 중 오류가 발생했습니다.";
+          actionConfig.type === "save"
+            ? "저장 중 오류가 발생했습니다."
+            : actionConfig.type === "delete"
+              ? "삭제 중 오류가 발생했습니다."
+              : actionConfig.type === "submit"
+                ? "제출 중 오류가 발생했습니다."
+                : "처리 중 오류가 발생했습니다.";
 
-        const errorMessage = actionConfig.errorMessage || defaultErrorMessage;
+        // 커스텀 메시지 사용 조건:
+        // 1. 커스텀 메시지가 있고
+        // 2. (액션 타입이 save이거나 OR 메시지에 "저장"이 포함되지 않은 경우)
+        const useCustomMessage =
+          actionConfig.errorMessage && (actionConfig.type === "save" || !actionConfig.errorMessage.includes("저장"));
+
+        const errorMessage = useCustomMessage ? actionConfig.errorMessage : defaultErrorMessage;
 
         toast.error(errorMessage);
         return;

frontend/lib/registry/components/modal-repeater-table/ModalRepeaterTableComponent.tsx

@@ -10,7 +10,6 @@ import { useCalculation } from "./useCalculation";
 import { cn } from "@/lib/utils";
 import { apiClient } from "@/lib/api/client";
 import { ComponentRendererProps } from "@/types/component";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 
 // ✅ ComponentRendererProps 상속으로 필수 props 자동 확보
 export interface ModalRepeaterTableComponentProps extends ComponentRendererProps {
@@ -381,15 +380,6 @@ export function ModalRepeaterTableComponent({
     return [];
   }, [componentConfig?.columns, propColumns, sourceColumns]);
 
-  // NOT NULL 메타데이터 기반 required 보강
-  const enhancedColumns = React.useMemo((): RepeaterColumnConfig[] => {
-    if (!targetTable) return columns;
-    return columns.map((col) => ({
-      ...col,
-      required: col.required || isColumnRequiredByMeta(targetTable, col.field),
-    }));
-  }, [columns, targetTable]);
-
   // 초기 props 검증
   useEffect(() => {
     if (rawSourceColumns.length !== sourceColumns.length) {
@@ -886,7 +876,7 @@ export function ModalRepeaterTableComponent({
 
       {/* Repeater 테이블 */}
       <RepeaterTable
-        columns={enhancedColumns}
+        columns={columns}
         data={localValue}
         onDataChange={handleChange}
         onRowChange={handleRowChange}

frontend/lib/registry/components/modal-repeater-table/RepeaterTable.tsx

@@ -835,7 +835,8 @@ export function RepeaterTable({
                             </Popover>
                           ) : (
                             <>
-                              {col.label}{col.required && <span className="text-orange-500">*</span>}
+                              {col.label}
+                              {col.required && <span className="ml-1 text-red-500">*</span>}
                             </>
                           )}
                         </div>

frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalComponent.tsx

@@ -10,7 +10,6 @@ import { Label } from "@/components/ui/label";
 import { Badge } from "@/components/ui/badge";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
 import { Loader2, Save, X, Layers, Table as TableIcon, Plus, Trash2, RotateCcw, Pencil } from "lucide-react";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 import {
   AlertDialog,
   AlertDialogAction,
@@ -3114,15 +3113,15 @@ function renderTableCell(
 }
 
 // 컬럼 렌더링 함수 (Simple 모드)
-function renderColumn(col: CardColumnConfig, card: CardData, onChange: (value: any) => void, tableName?: string) {
+function renderColumn(col: CardColumnConfig, card: CardData, onChange: (value: any) => void) {
   const value = card[col.field];
   const isReadOnly = !col.editable;
-  const effectiveRequired = col.required || isColumnRequiredByMeta(tableName, col.field);
 
   return (
     <div className="space-y-1.5">
       <Label className="text-xs font-medium">
-        {col.label}{effectiveRequired && <span className="text-orange-500">*</span>}
+        {col.label}
+        {col.required && <span className="text-destructive ml-1">*</span>}
       </Label>
 
       {isReadOnly && (

frontend/lib/registry/components/selected-items-detail-input/SelectedItemsDetailInputComponent.tsx

@@ -43,7 +43,6 @@ const LUCIDE_ICON_MAP: Record<string, LucideIcon> = {
 };
 import { commonCodeApi } from "@/lib/api/commonCode";
 import { cn } from "@/lib/utils";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 
 export interface SelectedItemsDetailInputComponentProps extends ComponentRendererProps {
   config?: SelectedItemsDetailInputConfig;
@@ -1917,7 +1916,8 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
                         field.type === "textarea" && "col-span-2"
                       )}>
                         <label className="text-[11px] font-medium leading-none">
-                          {field.label}{(field.required || isColumnRequiredByMeta(componentConfig.targetTable, field.name)) && <span className="text-orange-500">*</span>}
+                          {field.label}
+                          {field.required && <span className="text-destructive ml-0.5">*</span>}
                         </label>
                         {renderField(field, item.id, group.id, singleEntry.id, singleEntry)}
                       </div>
@@ -1977,7 +1977,8 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
                                         field.type === "textarea" && "col-span-2"
                                       )}>
                                         <label className="text-[11px] font-medium leading-none">
-                                          {field.label}{(field.required || isColumnRequiredByMeta(componentConfig.targetTable, field.name)) && <span className="text-orange-500">*</span>}
+                                          {field.label}
+                                          {field.required && <span className="text-destructive ml-0.5">*</span>}
                                         </label>
                                         {renderField(field, item.id, group.id, entry.id, entry)}
                                       </div>
@@ -2352,7 +2353,8 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
               {/* 추가 입력 필드 컬럼 */}
               {componentConfig.additionalFields?.map((field) => (
                 <TableHead key={field.name} className="h-12 px-4 py-3 text-xs font-semibold sm:text-sm">
-                  {field.label}{(field.required || isColumnRequiredByMeta(componentConfig.targetTable, field.name)) && <span className="text-orange-500">*</span>}
+                  {field.label}
+                  {field.required && <span className="text-destructive ml-1">*</span>}
                 </TableHead>
               ))}
 

frontend/lib/registry/components/simple-repeater-table/SimpleRepeaterTableComponent.tsx

@@ -10,7 +10,6 @@ import { cn } from "@/lib/utils";
 import { ComponentRendererProps } from "@/types/component";
 import { useCalculation } from "./useCalculation";
 import { apiClient } from "@/lib/api/client";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 
 export interface SimpleRepeaterTableComponentProps extends ComponentRendererProps {
   config?: SimpleRepeaterTableProps;
@@ -675,7 +674,8 @@ export function SimpleRepeaterTableComponent({
                   className="text-muted-foreground px-4 py-2 text-left font-medium"
                   style={{ width: col.width }}
                 >
-                  {col.label}{(col.required || isColumnRequiredByMeta(componentTargetTable, col.field)) && <span className="text-orange-500">*</span>}
+                  {col.label}
+                  {col.required && <span className="text-destructive ml-1">*</span>}
                 </th>
               ))}
               {!readOnly && allowDelete && (

frontend/lib/registry/components/universal-form-modal/UniversalFormModalComponent.tsx

@@ -42,7 +42,6 @@ import {
 } from "./types";
 import { defaultConfig, generateUniqueId } from "./config";
 import { TableSectionRenderer } from "./TableSectionRenderer";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 
 /**
  * 🔗 연쇄 드롭다운 Select 필드 컴포넌트
@@ -1439,17 +1438,15 @@ export function UniversalFormModalComponent({
     [linkedFieldDataCache],
   );
 
-  // 필수 필드 검증 (수동 required + NOT NULL 메타데이터 통합)
-  const mainTableName = config.saveConfig?.customApiSave?.multiTable?.mainTable?.tableName || config.saveConfig?.tableName;
+  // 필수 필드 검증
   const validateRequiredFields = useCallback((): { valid: boolean; missingFields: string[] } => {
     const missingFields: string[] = [];
 
     for (const section of config.sections) {
-      if (section.repeatable || section.type === "table") continue;
+      if (section.repeatable || section.type === "table") continue; // 반복 섹션 및 테이블 섹션은 별도 검증
 
       for (const field of section.fields || []) {
-        const isRequired = field.required || isColumnRequiredByMeta(mainTableName, field.columnName);
-        if (isRequired && !field.hidden && !field.numberingRule?.hidden) {
+        if (field.required && !field.hidden && !field.numberingRule?.hidden) {
           const value = formData[field.columnName];
           if (value === undefined || value === null || value === "") {
             missingFields.push(field.label || field.columnName);
@@ -1459,7 +1456,7 @@ export function UniversalFormModalComponent({
     }
 
     return { valid: missingFields.length === 0, missingFields };
-  }, [config.sections, formData, mainTableName]);
+  }, [config.sections, formData]);
 
   // 다중 테이블 저장 (범용)
   const saveWithMultiTable = useCallback(async () => {
@@ -2010,7 +2007,8 @@ export function UniversalFormModalComponent({
     return (
       <div key={fieldKey} className="space-y-1" style={{ gridColumn: `span ${actualGridSpan}` }}>
         <Label htmlFor={fieldKey} className="text-sm font-medium">
-          {field.label}{(field.required || isColumnRequiredByMeta(mainTableName, field.columnName)) && <span className="text-orange-500">*</span>}
+          {field.label}
+          {field.required && <span className="text-destructive ml-1">*</span>}
           {field.numberingRule?.enabled && <span className="text-muted-foreground ml-1 text-xs">(자동생성)</span>}
         </Label>
         {fieldElement}

frontend/lib/registry/components/v2-button-primary/ButtonPrimaryComponent.tsx

@@ -612,7 +612,7 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
       // 실패한 경우 오류 처리
       if (!success) {
         // UI 전환 액션 및 모달 액션은 에러도 조용히 처리 (모달 내부에서 자체 에러 표시)
-        const silentErrorActions = ["edit", "modal", "navigate", "excel_upload", "barcode_scan", "save", "delete", "quickInsert"];
+        const silentErrorActions = ["edit", "modal", "navigate", "excel_upload", "barcode_scan"];
         if (silentErrorActions.includes(actionConfig.type)) {
           return;
         }

frontend/lib/registry/components/v2-date/V2DateRenderer.tsx

@@ -4,7 +4,6 @@ import React from "react";
 import { AutoRegisteringComponentRenderer } from "../../AutoRegisteringComponentRenderer";
 import { V2DateDefinition } from "./index";
 import { V2Date } from "@/components/v2/V2Date";
-import { isColumnRequiredByMeta } from "../../DynamicComponentRenderer";
 
 /**
  * V2Date 렌더러
@@ -19,7 +18,6 @@ export class V2DateRenderer extends AutoRegisteringComponentRenderer {
     // 컴포넌트 설정 추출
     const config = component.componentConfig || component.config || {};
     const columnName = component.columnName;
-    const tableName = component.tableName || this.props.tableName;
 
     // formData에서 현재 값 가져오기
     const currentValue = formData?.[columnName] ?? component.value ?? "";
@@ -39,6 +37,10 @@ export class V2DateRenderer extends AutoRegisteringComponentRenderer {
     return (
       <V2Date
         id={component.id}
+        label={effectiveLabel}
+        required={component.required}
+        readonly={config.readonly || component.readonly}
+        disabled={config.disabled || component.disabled}
         value={currentValue}
         onChange={handleChange}
         config={{
@@ -53,10 +55,6 @@ export class V2DateRenderer extends AutoRegisteringComponentRenderer {
         style={component.style}
         size={component.size}
         {...restProps}
-        label={effectiveLabel}
-        required={component.required || isColumnRequiredByMeta(tableName, columnName)}
-        readonly={config.readonly || component.readonly}
-        disabled={config.disabled || component.disabled}
       />
     );
   }

frontend/lib/registry/components/v2-input/V2InputRenderer.tsx

@@ -4,7 +4,6 @@ import React from "react";
 import { AutoRegisteringComponentRenderer } from "../../AutoRegisteringComponentRenderer";
 import { V2InputDefinition } from "./index";
 import { V2Input } from "@/components/v2/V2Input";
-import { isColumnRequiredByMeta } from "../../DynamicComponentRenderer";
 
 /**
  * V2Input 렌더러
@@ -53,6 +52,10 @@ export class V2InputRenderer extends AutoRegisteringComponentRenderer {
     return (
       <V2Input
         id={component.id}
+        label={effectiveLabel}
+        required={component.required}
+        readonly={config.readonly || component.readonly}
+        disabled={config.disabled || component.disabled}
         value={currentValue}
         onChange={handleChange}
         onFormDataChange={onFormDataChange}
@@ -75,10 +78,6 @@ export class V2InputRenderer extends AutoRegisteringComponentRenderer {
         autoGeneration={config.autoGeneration || component.autoGeneration}
         originalData={(this.props as any).originalData}
         {...restProps}
-        label={effectiveLabel}
-        required={component.required || isColumnRequiredByMeta(tableName, columnName)}
-        readonly={config.readonly || component.readonly}
-        disabled={config.disabled || component.disabled}
       />
     );
   }

frontend/lib/registry/components/v2-select/V2SelectRenderer.tsx

@@ -4,7 +4,6 @@ import React from "react";
 import { AutoRegisteringComponentRenderer } from "../../AutoRegisteringComponentRenderer";
 import { V2SelectDefinition } from "./index";
 import { V2Select } from "@/components/v2/V2Select";
-import { isColumnRequiredByMeta } from "../../DynamicComponentRenderer";
 
 /**
  * V2Select 렌더러
@@ -113,6 +112,10 @@ export class V2SelectRenderer extends AutoRegisteringComponentRenderer {
     return (
       <V2Select
         id={component.id}
+        label={component.label}
+        required={component.required}
+        readonly={config.readonly || component.readonly}
+        disabled={config.disabled || component.disabled}
         value={currentValue}
         onChange={handleChange}
         onFormDataChange={isInteractive ? onFormDataChange : undefined}
@@ -138,10 +141,6 @@ export class V2SelectRenderer extends AutoRegisteringComponentRenderer {
         {...restPropsClean}
         style={effectiveStyle}
         size={effectiveSize}
-        label={component.label}
-        required={component.required || isColumnRequiredByMeta(tableName, columnName)}
-        readonly={config.readonly || component.readonly}
-        disabled={config.disabled || component.disabled}
       />
     );
   }

frontend/lib/registry/components/v2-tabs-widget/tabs-component.tsx

@@ -295,6 +295,11 @@ const TabsDesignEditor: React.FC<{
               }}
             >
               {tab.label || "탭"}
+              {tab.components && tab.components.length > 0 && (
+                <span className="ml-1 text-xs text-muted-foreground">
+                  ({tab.components.length})
+                </span>
+              )}
             </div>
           ))
         ) : (
@@ -644,6 +649,11 @@ ComponentRegistry.registerComponent({
                 }}
               >
                 {tab.label || "탭"}
+                {tab.components && tab.components.length > 0 && (
+                  <span className="ml-1 text-xs text-muted-foreground">
+                    ({tab.components.length})
+                  </span>
+                )}
               </div>
             ))
           ) : (

frontend/lib/utils/buttonActions.ts

@@ -8,7 +8,6 @@ import { DynamicFormApi } from "@/lib/api/dynamicForm";
 import { ImprovedButtonActionExecutor } from "@/lib/utils/improvedButtonActionExecutor";
 import { apiClient } from "@/lib/api/client";
 import type { ExtendedControlContext } from "@/types/control-management";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 
 /**
  * 🔧 formData 내 배열 값을 쉼표 구분 문자열로 변환
@@ -464,15 +463,13 @@ export class ButtonActionExecutor {
           console.warn(`지원되지 않는 액션 타입: ${config.type}`);
           return false;
       }
-    } catch (error: any) {
+    } catch (error) {
       console.error("버튼 액션 실행 오류:", error);
-      const actualMsg =
-        error?.response?.data?.message ||
-        error?.response?.data?.error?.message ||
-        error?.message ||
-        "";
-      const title = actualMsg || config.errorMessage || `'${config.label || config.type}' 실행에 실패했습니다`;
-      toast.error(title);
+      showErrorToast(
+        config.errorMessage || `'${config.label || config.type}' 버튼 실행에 실패했습니다`,
+        error,
+        { guidance: "설정을 확인하거나 잠시 후 다시 시도해 주세요." }
+      );
       return false;
     }
   }
@@ -482,7 +479,7 @@ export class ButtonActionExecutor {
    */
   private static validateRequiredFields(context: ButtonActionContext): { isValid: boolean; missingFields: string[] } {
     const missingFields: string[] = [];
-    const { formData, allComponents, tableName } = context;
+    const { formData, allComponents } = context;
 
     if (!allComponents || allComponents.length === 0) {
       console.log("⚠️ [validateRequiredFields] allComponents 없음 - 검증 스킵");
@@ -490,20 +487,18 @@ export class ButtonActionExecutor {
     }
 
     allComponents.forEach((component: any) => {
-      const columnName = component.columnName || component.style?.columnName;
-
-      // 수동 required 속성 + NOT NULL 메타데이터 기반 필수 여부 통합 체크
-      const manualRequired =
+      // 컴포넌트의 required 속성 확인 (여러 위치에서 체크)
+      const isRequired =
         component.required === true ||
         component.style?.required === true ||
         component.componentConfig?.required === true;
-      const notNullRequired = isColumnRequiredByMeta(tableName, columnName);
-      const isRequired = manualRequired || notNullRequired;
 
+      const columnName = component.columnName || component.style?.columnName;
       const label = component.label || component.style?.label || columnName;
 
       if (isRequired && columnName) {
         const value = formData[columnName];
+        // 값이 비어있는지 확인 (null, undefined, 빈 문자열, 공백만 있는 문자열)
         if (value === null || value === undefined || (typeof value === "string" && value.trim() === "")) {
           missingFields.push(label || columnName);
         }
@@ -606,15 +601,22 @@ export class ButtonActionExecutor {
       try {
         await onSave();
         return true;
-      } catch (error: any) {
+      } catch (error) {
         console.error("❌ [handleSave] onSave 콜백 실행 오류:", error);
-        const msg =
-          error?.response?.data?.message ||
-          error?.response?.data?.error?.message ||
-          error?.message ||
-          "저장에 실패했습니다.";
-        toast.error(msg);
-        return false;
+        throw error;
+      }
+    }
+
+    // 🆕 EditModal 등에서 전달된 onSave 콜백이 있으면 우선 사용
+    // 단, _tableSection_ 데이터가 있으면 건너뛰기 (handleUniversalFormModalTableSectionSave가 처리)
+    // EditModal이 내부에서 직접 repeaterSave 이벤트를 발행하고 완료를 기다림
+    if (onSave && !hasTableSectionData) {
+      try {
+        await onSave();
+        return true;
+      } catch (error) {
+        console.error("❌ [handleSave] onSave 콜백 실행 오류:", error);
+        throw error;
       }
     }
 
@@ -1735,12 +1737,7 @@ export class ButtonActionExecutor {
         }
 
         if (!saveResult.success) {
-          const errorMsg =
-            saveResult.message ||
-            saveResult.error?.message ||
-            "저장에 실패했습니다.";
-          toast.error(errorMsg);
-          return false;
+          throw new Error(saveResult.message || "저장에 실패했습니다.");
         }
 
         // 🔥 저장 성공 후 연결된 제어 실행 (dataflowTiming이 'after'인 경우)
@@ -1929,15 +1926,9 @@ export class ButtonActionExecutor {
       window.dispatchEvent(new CustomEvent("saveSuccessInModal"));
 
       return true;
-    } catch (error: any) {
+    } catch (error) {
       console.error("저장 오류:", error);
-      const msg =
-        error?.response?.data?.message ||
-        error?.response?.data?.error?.message ||
-        error?.message ||
-        "저장에 실패했습니다.";
-      toast.error(msg);
-      return false;
+      throw error; // 에러를 다시 던져서 컴포넌트에서 처리하도록 함
     }
   }
 

frontend/lib/utils/formValidation.ts

@@ -5,7 +5,6 @@
 
 import { WebType, DynamicWebType, isValidWebType, normalizeWebType } from "@/types/v2-web-types";
 import { ColumnInfo, ComponentData, WidgetComponent } from "@/types/screen";
-import { isColumnRequiredByMeta } from "@/lib/registry/DynamicComponentRenderer";
 
 // 검증 결과 타입
 export interface ValidationResult {
@@ -79,8 +78,8 @@ export const validateFormData = async (
       );
     }
 
-    // 2. 필수 필드 검증 (NOT NULL 메타데이터 포함)
-    const requiredValidation = validateRequiredFields(formData, components, tableName);
+    // 2. 필수 필드 검증
+    const requiredValidation = validateRequiredFields(formData, components);
     errors.push(...requiredValidation);
 
     // 3. 데이터 타입 검증 및 변환
@@ -193,17 +192,14 @@ export const validateFormSchema = (
 export const validateRequiredFields = (
   formData: Record<string, any>,
   components: ComponentData[],
-  tableName?: string,
 ): ValidationError[] => {
   const errors: ValidationError[] = [];
   const widgetComponents = components.filter((c) => c.type === "widget") as WidgetComponent[];
 
   for (const component of widgetComponents) {
-    const fieldName = component.columnName || component.id;
-    // 수동 required + NOT NULL 메타데이터 기반 통합 체크
-    const isRequired = component.required || isColumnRequiredByMeta(tableName, fieldName);
-    if (!isRequired) continue;
+    if (!component.required) continue;
 
+    const fieldName = component.columnName || component.id;
     const value = formData[fieldName];
 
     if (