diff --git a/backend-node/src/controllers/tableManagementController.ts b/backend-node/src/controllers/tableManagementController.ts
index 2dfe0770..66c70a77 100644
--- a/backend-node/src/controllers/tableManagementController.ts
+++ b/backend-node/src/controllers/tableManagementController.ts
@@ -2141,3 +2141,4 @@ export async function multiTableSave(
     client.release();
   }
 }
+
diff --git a/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalComponent.tsx b/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalComponent.tsx
index 1a8012de..360a1585 100644
--- a/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalComponent.tsx
+++ b/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalComponent.tsx
@@ -99,25 +99,99 @@ export function RepeatScreenModalComponent({
     contentRowId: string;
   } | null>(null);
 
+  // 🆕 v3.13: 외부에서 저장 트리거 가능하도록 이벤트 리스너 추가
+  useEffect(() => {
+    const handleTriggerSave = async (event: Event) => {
+      if (!(event instanceof CustomEvent)) return;
+      
+      console.log("[RepeatScreenModal] triggerRepeatScreenModalSave 이벤트 수신");
+      
+      try {
+        setIsSaving(true);
+        
+        // 기존 데이터 저장
+        if (cardMode === "withTable") {
+          await saveGroupedData();
+        } else {
+          await saveSimpleData();
+        }
+
+        // 외부 테이블 데이터 저장
+        await saveExternalTableData();
+
+        // 연동 저장 처리 (syncSaves)
+        await processSyncSaves();
+
+        console.log("[RepeatScreenModal] 외부 트리거 저장 완료");
+        
+        // 저장 완료 이벤트 발생
+        window.dispatchEvent(new CustomEvent("repeatScreenModalSaveComplete", {
+          detail: { success: true }
+        }));
+        
+        // 성공 콜백 실행
+        if (event.detail?.onSuccess) {
+          event.detail.onSuccess();
+        }
+      } catch (error: any) {
+        console.error("[RepeatScreenModal] 외부 트리거 저장 실패:", error);
+        
+        // 저장 실패 이벤트 발생
+        window.dispatchEvent(new CustomEvent("repeatScreenModalSaveComplete", {
+          detail: { success: false, error: error.message }
+        }));
+        
+        // 실패 콜백 실행
+        if (event.detail?.onError) {
+          event.detail.onError(error);
+        }
+      } finally {
+        setIsSaving(false);
+      }
+    };
+
+    window.addEventListener("triggerRepeatScreenModalSave", handleTriggerSave as EventListener);
+    return () => {
+      window.removeEventListener("triggerRepeatScreenModalSave", handleTriggerSave as EventListener);
+    };
+  }, [cardMode, groupedCardsData, externalTableData, contentRows]);
+
   // 🆕 v3.9: beforeFormSave 이벤트 핸들러 - ButtonPrimary 저장 시 externalTableData를 formData에 병합
   useEffect(() => {
     const handleBeforeFormSave = (event: Event) => {
       if (!(event instanceof CustomEvent) || !event.detail?.formData) return;
 
       console.log("[RepeatScreenModal] beforeFormSave 이벤트 수신");
+      console.log("[RepeatScreenModal] beforeFormSave - externalTableData:", externalTableData);
+      console.log("[RepeatScreenModal] beforeFormSave - groupedCardsData:", groupedCardsData.length, "개 카드");
 
       // 외부 테이블 데이터에서 dirty 행만 추출하여 저장 데이터 준비
       const saveDataByTable: Record<string, any[]> = {};
 
       for (const [key, rows] of Object.entries(externalTableData)) {
+        // key 형식: cardId-contentRowId
+        const keyParts = key.split("-");
+        const cardId = keyParts.slice(0, -1).join("-"); // contentRowId를 제외한 나머지가 cardId
+        
         // contentRow 찾기
         const contentRow = contentRows.find((r) => key.includes(r.id));
         if (!contentRow?.tableDataSource?.enabled) continue;
 
+        // 🆕 v3.13: 해당 카드의 대표 데이터 찾기 (joinConditions의 targetKey 값을 가져오기 위해)
+        const card = groupedCardsData.find((c) => c._cardId === cardId);
+        const representativeData = card?._representativeData || {};
+
         const targetTable = contentRow.tableCrud?.targetTable || contentRow.tableDataSource.sourceTable;
         
-        // dirty 행만 필터링 (삭제된 행 제외)
-        const dirtyRows = rows.filter((row) => row._isDirty && !row._isDeleted);
+        // dirty 행 또는 새로운 행 필터링 (삭제된 행 제외)
+        // 🆕 v3.13: _isNew 행도 포함 (새로 추가된 행은 _isDirty가 없을 수 있음)
+        const dirtyRows = rows.filter((row) => (row._isDirty || row._isNew) && !row._isDeleted);
+        
+        console.log(`[RepeatScreenModal] beforeFormSave - ${targetTable} 행 필터링:`, {
+          totalRows: rows.length,
+          dirtyRows: dirtyRows.length,
+          rowDetails: rows.map(r => ({ _isDirty: r._isDirty, _isNew: r._isNew, _isDeleted: r._isDeleted }))
+        });
         
         if (dirtyRows.length === 0) continue;
 
@@ -126,8 +200,9 @@ export function RepeatScreenModalComponent({
           .filter((col) => col.editable)
           .map((col) => col.field);
         
-        const joinKeys = (contentRow.tableDataSource.joinConditions || [])
-          .map((cond) => cond.sourceKey);
+        // 🆕 v3.13: joinConditions에서 sourceKey (저장 대상 테이블의 FK 컬럼) 추출
+        const joinConditions = contentRow.tableDataSource.joinConditions || [];
+        const joinKeys = joinConditions.map((cond) => cond.sourceKey);
 
         const allowedFields = [...new Set([...editableFields, ...joinKeys])];
 
@@ -145,6 +220,17 @@ export function RepeatScreenModalComponent({
             }
           }
           
+          // 🆕 v3.13: joinConditions를 사용하여 FK 값 자동 채우기
+          // 예: sales_order_id (sourceKey) = card의 id (targetKey)
+          for (const joinCond of joinConditions) {
+            const { sourceKey, targetKey } = joinCond;
+            // sourceKey가 저장 데이터에 없거나 null인 경우, 카드의 대표 데이터에서 targetKey 값을 가져옴
+            if (!saveData[sourceKey] && representativeData[targetKey] !== undefined) {
+              saveData[sourceKey] = representativeData[targetKey];
+              console.log(`[RepeatScreenModal] beforeFormSave - FK 자동 채우기: ${sourceKey} = ${representativeData[targetKey]} (from card.${targetKey})`);
+            }
+          }
+          
           // _isNew 플래그 유지
           saveData._isNew = row._isNew;
           saveData._targetTable = targetTable;
@@ -599,15 +685,17 @@ export function RepeatScreenModalComponent({
 
     // 각 카드의 집계 재계산
     const updatedCards = groupedCardsData.map((card) => {
-      // 🆕 v3.11: 모든 외부 테이블 행의 데이터를 합침
+      // 🆕 v3.11: 테이블 행 ID별로 외부 데이터를 구분하여 저장
+      const externalRowsByTableId: Record<string, any[]> = {};
       const allExternalRows: any[] = [];
+      
       for (const tableRow of tableRowsWithExternalSource) {
         const key = `${card._cardId}-${tableRow.id}`;
         // 🆕 v3.7: 삭제된 행은 집계에서 제외
         const rows = (extData[key] || []).filter((row) => !row._isDeleted);
+        externalRowsByTableId[tableRow.id] = rows;
         allExternalRows.push(...rows);
       }
-      const externalRows = allExternalRows;
 
       // 집계 재계산
       const newAggregations: Record<string, number> = {};
@@ -622,7 +710,7 @@ export function RepeatScreenModalComponent({
           if (isExternalTable) {
             // 외부 테이블 집계
             newAggregations[agg.resultField] = calculateColumnAggregation(
-              externalRows, 
+              allExternalRows, 
               agg.sourceField || "", 
               agg.type || "sum"
             );
@@ -632,12 +720,28 @@ export function RepeatScreenModalComponent({
               calculateColumnAggregation(card._rows, agg.sourceField || "", agg.type || "sum");
           }
         } else if (sourceType === "formula" && agg.formula) {
+          // 🆕 v3.11: externalTableRefs 기반으로 필터링된 외부 데이터 사용
+          let filteredExternalRows: any[];
+          
+          if (agg.externalTableRefs && agg.externalTableRefs.length > 0) {
+            // 특정 테이블만 참조
+            filteredExternalRows = [];
+            for (const tableId of agg.externalTableRefs) {
+              if (externalRowsByTableId[tableId]) {
+                filteredExternalRows.push(...externalRowsByTableId[tableId]);
+              }
+            }
+          } else {
+            // 모든 외부 테이블 데이터 사용 (기존 동작)
+            filteredExternalRows = allExternalRows;
+          }
+          
           // 가상 집계 (연산식) - 외부 테이블 데이터 포함하여 재계산
           newAggregations[agg.resultField] = evaluateFormulaWithContext(
             agg.formula,
             card._representativeData,
             card._rows,
-            externalRows,
+            filteredExternalRows,
             newAggregations // 이전 집계 결과 참조
           );
         }
@@ -660,8 +764,8 @@ export function RepeatScreenModalComponent({
     });
   };
 
-  // 🆕 v3.1: 외부 테이블 행 추가
-  const handleAddExternalRow = (cardId: string, contentRowId: string, contentRow: CardContentRowConfig) => {
+  // 🆕 v3.1: 외부 테이블 행 추가 (v3.13: 자동 채번 기능 추가)
+  const handleAddExternalRow = async (cardId: string, contentRowId: string, contentRow: CardContentRowConfig) => {
     const key = `${cardId}-${contentRowId}`;
     const card = groupedCardsData.find((c) => c._cardId === cardId) || cardsData.find((c) => c._cardId === cardId);
     const representativeData = (card as GroupedCardData)?._representativeData || card || {};
@@ -713,6 +817,41 @@ export function RepeatScreenModalComponent({
       }
     }
 
+    // 🆕 v3.13: 자동 채번 처리
+    const rowNumbering = contentRow.tableCrud?.rowNumbering;
+    console.log("[RepeatScreenModal] 채번 설정 확인:", {
+      tableCrud: contentRow.tableCrud,
+      rowNumbering,
+      enabled: rowNumbering?.enabled,
+      targetColumn: rowNumbering?.targetColumn,
+      numberingRuleId: rowNumbering?.numberingRuleId,
+    });
+    if (rowNumbering?.enabled && rowNumbering.targetColumn && rowNumbering.numberingRuleId) {
+      try {
+        console.log("[RepeatScreenModal] 자동 채번 시작:", {
+          targetColumn: rowNumbering.targetColumn,
+          numberingRuleId: rowNumbering.numberingRuleId,
+        });
+        
+        // 채번 API 호출 (allocate: 실제 시퀀스 증가)
+        const { allocateNumberingCode } = await import("@/lib/api/numberingRule");
+        const response = await allocateNumberingCode(rowNumbering.numberingRuleId);
+        
+        if (response.success && response.data) {
+          newRowData[rowNumbering.targetColumn] = response.data.generatedCode;
+          
+          console.log("[RepeatScreenModal] 자동 채번 완료:", {
+            column: rowNumbering.targetColumn,
+            generatedCode: response.data.generatedCode,
+          });
+        } else {
+          console.warn("[RepeatScreenModal] 채번 실패:", response);
+        }
+      } catch (error) {
+        console.error("[RepeatScreenModal] 채번 API 호출 실패:", error);
+      }
+    }
+
     console.log("[RepeatScreenModal] 새 행 추가:", {
       cardId,
       contentRowId,
@@ -1329,8 +1468,13 @@ export function RepeatScreenModalComponent({
       for (const fn of extAggFunctions) {
         const regex = new RegExp(`${fn}\\(\\{(\\w+)\\}\\)`, "g");
         expression = expression.replace(regex, (match, fieldName) => {
-          if (!externalRows || externalRows.length === 0) return "0";
+          if (!externalRows || externalRows.length === 0) {
+            console.log(`[SUM_EXT] ${fieldName}: 외부 데이터 없음`);
+            return "0";
+          }
           const values = externalRows.map((row) => Number(row[fieldName]) || 0);
+          const sum = values.reduce((a, b) => a + b, 0);
+          console.log(`[SUM_EXT] ${fieldName}: ${externalRows.length}개 행, 값들:`, values, `합계: ${sum}`);
           const baseFn = fn.replace("_EXT", "");
           switch (baseFn) {
             case "SUM":
@@ -1531,6 +1675,9 @@ export function RepeatScreenModalComponent({
       // 🆕 v3.1: 외부 테이블 데이터 저장
       await saveExternalTableData();
 
+      // 🆕 v3.12: 연동 저장 처리 (syncSaves)
+      await processSyncSaves();
+
       alert("저장되었습니다.");
     } catch (error: any) {
       console.error("저장 실패:", error);
@@ -1588,6 +1735,102 @@ export function RepeatScreenModalComponent({
     });
   };
 
+  // 🆕 v3.12: 연동 저장 처리 (syncSaves)
+  const processSyncSaves = async () => {
+    const syncPromises: Promise<void>[] = [];
+
+    // contentRows에서 syncSaves가 설정된 테이블 행 찾기
+    for (const contentRow of contentRows) {
+      if (contentRow.type !== "table") continue;
+      if (!contentRow.tableCrud?.syncSaves?.length) continue;
+
+      const sourceTable = contentRow.tableDataSource?.sourceTable;
+      if (!sourceTable) continue;
+
+      // 이 테이블 행의 모든 카드 데이터 수집
+      for (const card of groupedCardsData) {
+        const key = `${card._cardId}-${contentRow.id}`;
+        const rows = (externalTableData[key] || []).filter((row) => !row._isDeleted);
+
+        // 각 syncSave 설정 처리
+        for (const syncSave of contentRow.tableCrud.syncSaves) {
+          if (!syncSave.enabled) continue;
+          if (!syncSave.sourceColumn || !syncSave.targetTable || !syncSave.targetColumn) continue;
+
+          // 조인 키 값 수집 (중복 제거)
+          const joinKeyValues = new Set<string | number>();
+          for (const row of rows) {
+            const keyValue = row[syncSave.joinKey.sourceField];
+            if (keyValue !== undefined && keyValue !== null) {
+              joinKeyValues.add(keyValue);
+            }
+          }
+
+          // 각 조인 키별로 집계 계산 및 업데이트
+          for (const keyValue of joinKeyValues) {
+            // 해당 조인 키에 해당하는 행들만 필터링
+            const filteredRows = rows.filter(
+              (row) => row[syncSave.joinKey.sourceField] === keyValue
+            );
+
+            // 집계 계산
+            let aggregatedValue: number = 0;
+            const values = filteredRows.map((row) => Number(row[syncSave.sourceColumn]) || 0);
+
+            switch (syncSave.aggregationType) {
+              case "sum":
+                aggregatedValue = values.reduce((a, b) => a + b, 0);
+                break;
+              case "count":
+                aggregatedValue = values.length;
+                break;
+              case "avg":
+                aggregatedValue = values.length > 0 ? values.reduce((a, b) => a + b, 0) / values.length : 0;
+                break;
+              case "min":
+                aggregatedValue = values.length > 0 ? Math.min(...values) : 0;
+                break;
+              case "max":
+                aggregatedValue = values.length > 0 ? Math.max(...values) : 0;
+                break;
+              case "latest":
+                aggregatedValue = values.length > 0 ? values[values.length - 1] : 0;
+                break;
+            }
+
+            console.log(`[SyncSave] ${sourceTable}.${syncSave.sourceColumn} → ${syncSave.targetTable}.${syncSave.targetColumn}`, {
+              joinKey: keyValue,
+              aggregationType: syncSave.aggregationType,
+              values,
+              aggregatedValue,
+            });
+
+            // 대상 테이블 업데이트
+            syncPromises.push(
+              apiClient
+                .put(`/table-management/tables/${syncSave.targetTable}/data/${keyValue}`, {
+                  [syncSave.targetColumn]: aggregatedValue,
+                })
+                .then(() => {
+                  console.log(`[SyncSave] 업데이트 완료: ${syncSave.targetTable}.${syncSave.targetColumn} = ${aggregatedValue} (id=${keyValue})`);
+                })
+                .catch((err) => {
+                  console.error(`[SyncSave] 업데이트 실패:`, err);
+                  throw err;
+                })
+            );
+          }
+        }
+      }
+    }
+
+    if (syncPromises.length > 0) {
+      console.log(`[SyncSave] ${syncPromises.length}개 연동 저장 처리 중...`);
+      await Promise.all(syncPromises);
+      console.log(`[SyncSave] 연동 저장 완료`);
+    }
+  };
+
   // 🆕 v3.1: Footer 버튼 클릭 핸들러
   const handleFooterButtonClick = async (btn: FooterButtonConfig) => {
     switch (btn.action) {
@@ -1934,27 +2177,10 @@ export function RepeatScreenModalComponent({
                         // 🆕 v3.1: 외부 테이블 데이터 소스 사용
                         <div className="border rounded-lg overflow-hidden">
                           {/* 테이블 헤더 영역: 제목 + 버튼들 */}
-                          {(contentRow.tableTitle || contentRow.tableCrud?.allowSave || contentRow.tableCrud?.allowCreate) && (
+                          {(contentRow.tableTitle || contentRow.tableCrud?.allowCreate) && (
                             <div className="px-4 py-2 bg-muted/30 border-b text-sm font-medium flex items-center justify-between">
                               <span>{contentRow.tableTitle || ""}</span>
                               <div className="flex items-center gap-2">
-                                {/* 저장 버튼 - allowSave가 true일 때만 표시 */}
-                                {contentRow.tableCrud?.allowSave && (
-                                  <Button
-                                    variant="default"
-                                    size="sm"
-                                    onClick={() => handleTableAreaSave(card._cardId, contentRow.id, contentRow)}
-                                    disabled={isSaving || !(externalTableData[`${card._cardId}-${contentRow.id}`] || []).some((r: any) => r._isDirty)}
-                                    className="h-7 text-xs gap-1"
-                                  >
-                                    {isSaving ? (
-                                      <Loader2 className="h-3 w-3 animate-spin" />
-                                    ) : (
-                                      <Save className="h-3 w-3" />
-                                    )}
-                                    {contentRow.tableCrud?.saveButtonLabel || "저장"}
-                                  </Button>
-                                )}
                                 {/* 추가 버튼 */}
                                 {contentRow.tableCrud?.allowCreate && (
                                   <Button
@@ -1974,7 +2200,8 @@ export function RepeatScreenModalComponent({
                             {contentRow.showTableHeader !== false && (
                               <TableHeader>
                                 <TableRow className="bg-muted/50">
-                                  {(contentRow.tableColumns || []).map((col) => (
+                                  {/* 🆕 v3.13: hidden 컬럼 필터링 */}
+                                  {(contentRow.tableColumns || []).filter(col => !col.hidden).map((col) => (
                                     <TableHead
                                       key={col.id}
                                       style={{ width: col.width }}
@@ -1993,7 +2220,7 @@ export function RepeatScreenModalComponent({
                               {(externalTableData[`${card._cardId}-${contentRow.id}`] || []).length === 0 ? (
                                 <TableRow>
                                   <TableCell
-                                    colSpan={(contentRow.tableColumns?.length || 0) + (contentRow.tableCrud?.allowDelete ? 1 : 0)}
+                                    colSpan={(contentRow.tableColumns?.filter(col => !col.hidden)?.length || 0) + (contentRow.tableCrud?.allowDelete ? 1 : 0)}
                                     className="text-center py-8 text-muted-foreground"
                                   >
                                     데이터가 없습니다.
@@ -2009,7 +2236,8 @@ export function RepeatScreenModalComponent({
                                       row._isDeleted && "bg-destructive/10 opacity-60"
                                     )}
                                   >
-                                    {(contentRow.tableColumns || []).map((col) => (
+                                    {/* 🆕 v3.13: hidden 컬럼 필터링 */}
+                                    {(contentRow.tableColumns || []).filter(col => !col.hidden).map((col) => (
                                       <TableCell
                                         key={`${row._rowId}-${col.id}`}
                                         className={cn(
diff --git a/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalConfigPanel.tsx b/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalConfigPanel.tsx
index 1789af9e..6bca0181 100644
--- a/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalConfigPanel.tsx
+++ b/frontend/lib/registry/components/repeat-screen-modal/RepeatScreenModalConfigPanel.tsx
@@ -21,6 +21,8 @@ import {
   TableColumnConfig,
   CardContentRowConfig,
   AggregationDisplayConfig,
+  SyncSaveConfig,
+  RowNumberingConfig,
 } from "./types";
 import { tableManagementApi } from "@/lib/api/tableManagement";
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
@@ -738,6 +740,7 @@ function AggregationSettingsModal({
   aggregations,
   sourceTable,
   allTables,
+  contentRows,
   onSave,
 }: {
   open: boolean;
@@ -745,6 +748,7 @@ function AggregationSettingsModal({
   aggregations: AggregationConfig[];
   sourceTable: string;
   allTables: { tableName: string; displayName?: string }[];
+  contentRows: CardContentRowConfig[];
   onSave: (aggregations: AggregationConfig[]) => void;
 }) {
   // 로컬 상태로 집계 목록 관리
@@ -852,6 +856,7 @@ function AggregationSettingsModal({
                       sourceTable={sourceTable}
                       allTables={allTables}
                       existingAggregations={localAggregations}
+                      contentRows={contentRows}
                       onUpdate={(updates) => updateAggregation(index, updates)}
                       onRemove={() => removeAggregation(index)}
                       onMove={(direction) => moveAggregation(index, direction)}
@@ -884,6 +889,7 @@ function AggregationConfigItemModal({
   sourceTable,
   allTables,
   existingAggregations,
+  contentRows,
   onUpdate,
   onRemove,
   onMove,
@@ -894,6 +900,7 @@ function AggregationConfigItemModal({
   sourceTable: string;
   allTables: { tableName: string; displayName?: string }[];
   existingAggregations: AggregationConfig[];
+  contentRows: CardContentRowConfig[];
   onUpdate: (updates: Partial<AggregationConfig>) => void;
   onRemove: () => void;
   onMove: (direction: "up" | "down") => void;
@@ -1120,6 +1127,15 @@ function AggregationConfigItemModal({
               }}
             />
           </div>
+
+          {/* 🆕 v3.11: SUM_EXT 참조 테이블 선택 */}
+          {localFormula.includes("_EXT") && (
+            <ExternalTableRefSelector
+              contentRows={contentRows}
+              selectedRefs={agg.externalTableRefs || []}
+              onUpdate={(refs) => onUpdate({ externalTableRefs: refs })}
+            />
+          )}
         </div>
       )}
 
@@ -1280,6 +1296,504 @@ function FormulaColumnAggregator({
   );
 }
 
+// 🆕 v3.11: SUM_EXT 참조 테이블 선택 컴포넌트
+function ExternalTableRefSelector({
+  contentRows,
+  selectedRefs,
+  onUpdate,
+}: {
+  contentRows: CardContentRowConfig[];
+  selectedRefs: string[];
+  onUpdate: (refs: string[]) => void;
+}) {
+  // 외부 데이터 소스가 활성화된 테이블 행만 필터링
+  const tableRowsWithExternalSource = contentRows.filter(
+    (row) => row.type === "table" && row.tableDataSource?.enabled
+  );
+
+  if (tableRowsWithExternalSource.length === 0) {
+    return (
+      <div className="p-3 bg-gray-100 dark:bg-gray-800 rounded-lg">
+        <p className="text-xs text-muted-foreground">
+          레이아웃에 외부 데이터 소스가 설정된 테이블 행이 없습니다.
+        </p>
+      </div>
+    );
+  }
+
+  const isAllSelected = selectedRefs.length === 0;
+
+  const handleToggleTable = (tableId: string) => {
+    if (selectedRefs.includes(tableId)) {
+      // 이미 선택된 경우 제거
+      const newRefs = selectedRefs.filter((id) => id !== tableId);
+      onUpdate(newRefs);
+    } else {
+      // 선택되지 않은 경우 추가
+      onUpdate([...selectedRefs, tableId]);
+    }
+  };
+
+  const handleSelectAll = () => {
+    onUpdate([]); // 빈 배열 = 모든 테이블 사용
+  };
+
+  return (
+    <div className="p-3 bg-amber-50 dark:bg-amber-950 rounded-lg border border-amber-200 space-y-2">
+      <div className="flex items-center justify-between">
+        <Label className="text-xs text-amber-700 dark:text-amber-300 font-medium">
+          SUM_EXT 참조 테이블 (외부 데이터 소스)
+        </Label>
+        <Button
+          size="sm"
+          variant={isAllSelected ? "default" : "outline"}
+          onClick={handleSelectAll}
+          className="h-6 text-[10px] px-2"
+        >
+          전체 선택
+        </Button>
+      </div>
+      
+      <p className="text-[10px] text-amber-600">
+        SUM_EXT 함수가 참조할 테이블을 선택하세요. 선택하지 않으면 모든 외부 테이블 데이터를 사용합니다.
+      </p>
+
+      <div className="space-y-1">
+        {tableRowsWithExternalSource.map((row) => {
+          const isSelected = selectedRefs.length === 0 || selectedRefs.includes(row.id);
+          const tableTitle = row.title || row.tableDataSource?.sourceTable || row.id;
+          const tableName = row.tableDataSource?.sourceTable || "";
+
+          return (
+            <div
+              key={row.id}
+              className={cn(
+                "flex items-center gap-2 p-2 rounded border cursor-pointer transition-colors",
+                isSelected
+                  ? "bg-amber-100 border-amber-300"
+                  : "bg-white border-gray-200 hover:bg-gray-50"
+              )}
+              onClick={() => handleToggleTable(row.id)}
+            >
+              <input
+                type="checkbox"
+                checked={isSelected}
+                onChange={() => {}} // onClick에서 처리
+                className="h-4 w-4 rounded border-gray-300 text-amber-600 focus:ring-amber-500"
+              />
+              <div className="flex-1 min-w-0">
+                <p className="text-xs font-medium truncate">{tableTitle}</p>
+                <p className="text-[10px] text-muted-foreground truncate">
+                  테이블: {tableName} | ID: {row.id.slice(-10)}
+                </p>
+              </div>
+            </div>
+          );
+        })}
+      </div>
+
+      {selectedRefs.length > 0 && (
+        <p className="text-[10px] text-amber-700 bg-amber-100 px-2 py-1 rounded">
+          선택된 테이블: {selectedRefs.length}개 (특정 테이블만 참조)
+        </p>
+      )}
+    </div>
+  );
+}
+
+// 🆕 v3.12: 연동 저장 설정 섹션
+function SyncSaveConfigSection({
+  row,
+  allTables,
+  onUpdateRow,
+}: {
+  row: CardContentRowConfig;
+  allTables: { tableName: string; displayName?: string }[];
+  onUpdateRow: (updates: Partial<CardContentRowConfig>) => void;
+}) {
+  const syncSaves = row.tableCrud?.syncSaves || [];
+  const sourceTable = row.tableDataSource?.sourceTable || "";
+
+  // 연동 저장 추가
+  const addSyncSave = () => {
+    const newSyncSave: SyncSaveConfig = {
+      id: `sync-${Date.now()}`,
+      enabled: true,
+      sourceColumn: "",
+      aggregationType: "sum",
+      targetTable: "",
+      targetColumn: "",
+      joinKey: {
+        sourceField: "",
+        targetField: "id",
+      },
+    };
+    
+    onUpdateRow({
+      tableCrud: {
+        ...row.tableCrud,
+        allowCreate: row.tableCrud?.allowCreate || false,
+        allowUpdate: row.tableCrud?.allowUpdate || false,
+        allowDelete: row.tableCrud?.allowDelete || false,
+        syncSaves: [...syncSaves, newSyncSave],
+      },
+    });
+  };
+
+  // 연동 저장 삭제
+  const removeSyncSave = (index: number) => {
+    const newSyncSaves = [...syncSaves];
+    newSyncSaves.splice(index, 1);
+    
+    onUpdateRow({
+      tableCrud: {
+        ...row.tableCrud,
+        allowCreate: row.tableCrud?.allowCreate || false,
+        allowUpdate: row.tableCrud?.allowUpdate || false,
+        allowDelete: row.tableCrud?.allowDelete || false,
+        syncSaves: newSyncSaves,
+      },
+    });
+  };
+
+  // 연동 저장 업데이트
+  const updateSyncSave = (index: number, updates: Partial<SyncSaveConfig>) => {
+    const newSyncSaves = [...syncSaves];
+    newSyncSaves[index] = { ...newSyncSaves[index], ...updates };
+    
+    onUpdateRow({
+      tableCrud: {
+        ...row.tableCrud,
+        allowCreate: row.tableCrud?.allowCreate || false,
+        allowUpdate: row.tableCrud?.allowUpdate || false,
+        allowDelete: row.tableCrud?.allowDelete || false,
+        syncSaves: newSyncSaves,
+      },
+    });
+  };
+
+  return (
+    <div className="space-y-2 p-2 bg-orange-50 dark:bg-orange-950 rounded-lg border border-orange-200">
+      <div className="flex items-center justify-between">
+        <Label className="text-[10px] font-semibold text-orange-700 dark:text-orange-300">
+          연동 저장 설정 (모달 저장 시 다른 테이블에 동기화)
+        </Label>
+        <Button
+          size="sm"
+          variant="outline"
+          onClick={addSyncSave}
+          className="h-5 text-[9px] px-1 bg-orange-100 hover:bg-orange-200 border-orange-300"
+        >
+          <Plus className="h-2 w-2 mr-0.5" />
+          추가
+        </Button>
+      </div>
+
+      {syncSaves.length === 0 ? (
+        <p className="text-[9px] text-muted-foreground text-center py-2">
+          연동 저장 설정이 없습니다. 추가 버튼을 눌러 설정하세요.
+        </p>
+      ) : (
+        <div className="space-y-2">
+          {syncSaves.map((sync, index) => (
+            <SyncSaveConfigItem
+              key={sync.id}
+              sync={sync}
+              index={index}
+              sourceTable={sourceTable}
+              allTables={allTables}
+              onUpdate={(updates) => updateSyncSave(index, updates)}
+              onRemove={() => removeSyncSave(index)}
+            />
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
+
+// 🆕 v3.12: 개별 연동 저장 설정 아이템
+function SyncSaveConfigItem({
+  sync,
+  index,
+  sourceTable,
+  allTables,
+  onUpdate,
+  onRemove,
+}: {
+  sync: SyncSaveConfig;
+  index: number;
+  sourceTable: string;
+  allTables: { tableName: string; displayName?: string }[];
+  onUpdate: (updates: Partial<SyncSaveConfig>) => void;
+  onRemove: () => void;
+}) {
+  return (
+    <div className={cn(
+      "p-2 rounded border space-y-2",
+      sync.enabled ? "bg-orange-100 border-orange-300" : "bg-gray-100 border-gray-300 opacity-60"
+    )}>
+      {/* 헤더 */}
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-2">
+          <Switch
+            checked={sync.enabled}
+            onCheckedChange={(checked) => onUpdate({ enabled: checked })}
+            className="scale-[0.6]"
+          />
+          <Badge className="text-[8px] px-1 py-0 bg-orange-200 text-orange-800">
+            연동 {index + 1}
+          </Badge>
+        </div>
+        <Button
+          size="sm"
+          variant="ghost"
+          onClick={onRemove}
+          className="h-4 w-4 p-0 hover:bg-destructive/10 hover:text-destructive"
+        >
+          <X className="h-3 w-3" />
+        </Button>
+      </div>
+
+      {/* 소스 설정 */}
+      <div className="grid grid-cols-2 gap-2">
+        <div className="space-y-0.5">
+          <Label className="text-[8px] text-muted-foreground">소스 컬럼 ({sourceTable})</Label>
+          <SourceColumnSelector
+            sourceTable={sourceTable}
+            value={sync.sourceColumn}
+            onChange={(value) => onUpdate({ sourceColumn: value })}
+            placeholder="컬럼 선택"
+          />
+        </div>
+        <div className="space-y-0.5">
+          <Label className="text-[8px] text-muted-foreground">집계 방식</Label>
+          <Select
+            value={sync.aggregationType}
+            onValueChange={(value) => onUpdate({ aggregationType: value as SyncSaveConfig["aggregationType"] })}
+          >
+            <SelectTrigger className="h-6 text-[10px]">
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="sum">합계 (SUM)</SelectItem>
+              <SelectItem value="count">개수 (COUNT)</SelectItem>
+              <SelectItem value="avg">평균 (AVG)</SelectItem>
+              <SelectItem value="min">최소 (MIN)</SelectItem>
+              <SelectItem value="max">최대 (MAX)</SelectItem>
+              <SelectItem value="latest">최신값 (LATEST)</SelectItem>
+            </SelectContent>
+          </Select>
+        </div>
+      </div>
+
+      {/* 대상 설정 */}
+      <div className="grid grid-cols-2 gap-2">
+        <div className="space-y-0.5">
+          <Label className="text-[8px] text-muted-foreground">대상 테이블</Label>
+          <Select
+            value={sync.targetTable}
+            onValueChange={(value) => onUpdate({ targetTable: value })}
+          >
+            <SelectTrigger className="h-6 text-[10px]">
+              <SelectValue placeholder="테이블 선택" />
+            </SelectTrigger>
+            <SelectContent>
+              {allTables.map((table) => (
+                <SelectItem key={table.tableName} value={table.tableName}>
+                  {table.displayName || table.tableName}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+        </div>
+        <div className="space-y-0.5">
+          <Label className="text-[8px] text-muted-foreground">대상 컬럼</Label>
+          <SourceColumnSelector
+            sourceTable={sync.targetTable}
+            value={sync.targetColumn}
+            onChange={(value) => onUpdate({ targetColumn: value })}
+            placeholder="컬럼 선택"
+          />
+        </div>
+      </div>
+
+      {/* 조인 키 설정 */}
+      <div className="grid grid-cols-2 gap-2">
+        <div className="space-y-0.5">
+          <Label className="text-[8px] text-muted-foreground">조인 키 (소스)</Label>
+          <SourceColumnSelector
+            sourceTable={sourceTable}
+            value={sync.joinKey.sourceField}
+            onChange={(value) => onUpdate({ joinKey: { ...sync.joinKey, sourceField: value } })}
+            placeholder="예: sales_order_id"
+          />
+        </div>
+        <div className="space-y-0.5">
+          <Label className="text-[8px] text-muted-foreground">조인 키 (대상)</Label>
+          <SourceColumnSelector
+            sourceTable={sync.targetTable}
+            value={sync.joinKey.targetField}
+            onChange={(value) => onUpdate({ joinKey: { ...sync.joinKey, targetField: value } })}
+            placeholder="예: id"
+          />
+        </div>
+      </div>
+
+      {/* 설정 요약 */}
+      {sync.sourceColumn && sync.targetTable && sync.targetColumn && (
+        <p className="text-[8px] text-orange-700 bg-orange-200 px-2 py-1 rounded">
+          {sourceTable}.{sync.sourceColumn}의 {sync.aggregationType.toUpperCase()} 값을{" "}
+          {sync.targetTable}.{sync.targetColumn}에 저장
+        </p>
+      )}
+    </div>
+  );
+}
+
+// 🆕 v3.13: 행 추가 시 자동 채번 설정 섹션
+function RowNumberingConfigSection({
+  row,
+  onUpdateRow,
+}: {
+  row: CardContentRowConfig;
+  onUpdateRow: (updates: Partial<CardContentRowConfig>) => void;
+}) {
+  const [numberingRules, setNumberingRules] = useState<{ id: string; name: string; code: string }[]>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  
+  const rowNumbering = row.tableCrud?.rowNumbering;
+  const tableColumns = row.tableColumns || [];
+
+  // 채번 규칙 목록 로드 (옵션설정 > 코드설정에서 등록된 전체 목록)
+  useEffect(() => {
+    const loadNumberingRules = async () => {
+      setIsLoading(true);
+      try {
+        const { getNumberingRules } = await import("@/lib/api/numberingRule");
+        const response = await getNumberingRules();
+        if (response.success && response.data) {
+          setNumberingRules(response.data.map((rule: any, index: number) => ({
+            id: String(rule.ruleId || rule.id || `rule-${index}`),
+            name: rule.ruleName || rule.name || "이름 없음",
+            code: rule.ruleId || rule.code || "",
+          })));
+        }
+      } catch (error) {
+        console.error("채번 규칙 로드 실패:", error);
+        setNumberingRules([]);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+    loadNumberingRules();
+  }, []);
+
+  // 채번 설정 업데이트
+  const updateRowNumbering = (updates: Partial<RowNumberingConfig>) => {
+    const currentNumbering = row.tableCrud?.rowNumbering || {
+      enabled: false,
+      targetColumn: "",
+      numberingRuleId: "",
+    };
+    
+    onUpdateRow({
+      tableCrud: {
+        ...row.tableCrud,
+        allowCreate: row.tableCrud?.allowCreate || false,
+        allowUpdate: row.tableCrud?.allowUpdate || false,
+        allowDelete: row.tableCrud?.allowDelete || false,
+        rowNumbering: {
+          ...currentNumbering,
+          ...updates,
+        },
+      },
+    });
+  };
+
+  return (
+    <div className="space-y-2 p-3 bg-purple-50 dark:bg-purple-950 rounded-lg border border-purple-200">
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-2">
+          <Switch
+            checked={rowNumbering?.enabled || false}
+            onCheckedChange={(checked) => updateRowNumbering({ enabled: checked })}
+            className="scale-90"
+          />
+          <Label className="text-xs font-semibold text-purple-700 dark:text-purple-300">
+            행 추가 시 자동 채번
+          </Label>
+        </div>
+      </div>
+
+      <p className="text-[10px] text-purple-600 leading-tight">
+        &quot;추가&quot; 버튼 클릭 시 지정한 컬럼에 자동으로 번호를 생성합니다.
+        (옵션설정 &gt; 코드설정에서 등록한 채번 규칙 사용)
+      </p>
+
+      {rowNumbering?.enabled && (
+        <div className="space-y-3 pt-2 border-t border-purple-200">
+          {/* 대상 컬럼 선택 */}
+          <div className="space-y-1">
+            <Label className="text-[10px] text-purple-700">채번 대상 컬럼 *</Label>
+            <Select
+              value={rowNumbering.targetColumn || ""}
+              onValueChange={(value) => updateRowNumbering({ targetColumn: value })}
+            >
+              <SelectTrigger className="h-8 text-xs">
+                <SelectValue placeholder="컬럼 선택" />
+              </SelectTrigger>
+              <SelectContent>
+                {tableColumns.map((col, index) => (
+                  <SelectItem key={col.id || `col-${index}`} value={col.field} className="text-xs">
+                    {col.label || col.field}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+            <p className="text-[9px] text-muted-foreground">
+              채번 결과가 저장될 컬럼 (수정 가능 여부는 컬럼 설정에서 조절)
+            </p>
+          </div>
+
+          {/* 채번 규칙 선택 */}
+          <div className="space-y-1">
+            <Label className="text-[10px] text-purple-700">채번 규칙 *</Label>
+            <Select
+              value={rowNumbering.numberingRuleId || ""}
+              onValueChange={(value) => updateRowNumbering({ numberingRuleId: value })}
+              disabled={isLoading}
+            >
+              <SelectTrigger className="h-8 text-xs">
+                <SelectValue placeholder={isLoading ? "로딩 중..." : "채번 규칙 선택"} />
+              </SelectTrigger>
+              <SelectContent>
+                {numberingRules.map((rule) => (
+                  <SelectItem key={rule.id} value={rule.id} className="text-xs">
+                    {rule.name} ({rule.code})
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+            {numberingRules.length === 0 && !isLoading && (
+              <p className="text-[9px] text-amber-600">
+                등록된 채번 규칙이 없습니다. 옵션설정 &gt; 코드설정에서 추가하세요.
+              </p>
+            )}
+          </div>
+
+          {/* 설정 요약 */}
+          {rowNumbering.targetColumn && rowNumbering.numberingRuleId && (
+            <div className="text-[10px] text-purple-700 bg-purple-100 px-2 py-1.5 rounded">
+              "추가" 클릭 시 <strong>{rowNumbering.targetColumn}</strong> 컬럼에 자동 채번
+            </div>
+          )}
+        </div>
+      )}
+    </div>
+  );
+}
+
 // 🆕 레이아웃 설정 전용 모달
 function LayoutSettingsModal({
   open,
@@ -2040,6 +2554,78 @@ function LayoutRowConfigModal({
                 )}
               </div>
 
+              {/* CRUD 설정 */}
+              <div className="space-y-2 p-3 bg-green-100/50 dark:bg-green-900/20 rounded border border-green-200 dark:border-green-800">
+                <Label className="text-xs font-semibold">CRUD 설정</Label>
+                <div className="flex flex-wrap gap-4">
+                  <div className="flex items-center gap-2">
+                    <Switch
+                      checked={row.tableCrud?.allowCreate || false}
+                      onCheckedChange={(checked) =>
+                        onUpdateRow({
+                          tableCrud: { ...row.tableCrud, allowCreate: checked, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: row.tableCrud?.allowDelete || false },
+                        })
+                      }
+                      className="scale-90"
+                    />
+                    <Label className="text-xs">추가</Label>
+                  </div>
+                  <div className="flex items-center gap-2">
+                    <Switch
+                      checked={row.tableCrud?.allowUpdate || false}
+                      onCheckedChange={(checked) =>
+                        onUpdateRow({
+                          tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: checked, allowDelete: row.tableCrud?.allowDelete || false },
+                        })
+                      }
+                      className="scale-90"
+                    />
+                    <Label className="text-xs">수정</Label>
+                  </div>
+                  <div className="flex items-center gap-2">
+                    <Switch
+                      checked={row.tableCrud?.allowDelete || false}
+                      onCheckedChange={(checked) =>
+                        onUpdateRow({
+                          tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: checked },
+                        })
+                      }
+                      className="scale-90"
+                    />
+                    <Label className="text-xs">삭제</Label>
+                  </div>
+                </div>
+                {row.tableCrud?.allowDelete && (
+                  <div className="flex items-center gap-2 pl-2 pt-1 border-t border-green-200">
+                    <Switch
+                      checked={row.tableCrud?.deleteConfirm?.enabled !== false}
+                      onCheckedChange={(checked) =>
+                        onUpdateRow({
+                          tableCrud: { ...row.tableCrud!, deleteConfirm: { enabled: checked } },
+                        })
+                      }
+                      className="scale-75"
+                    />
+                    <Label className="text-[10px]">삭제 확인 팝업</Label>
+                  </div>
+                )}
+              </div>
+
+              {/* 🆕 v3.13: 행 추가 시 자동 채번 설정 */}
+              {row.tableCrud?.allowCreate && (
+                <RowNumberingConfigSection
+                  row={row}
+                  onUpdateRow={onUpdateRow}
+                />
+              )}
+
+              {/* 🆕 v3.12: 연동 저장 설정 */}
+              <SyncSaveConfigSection
+                row={row}
+                allTables={allTables}
+                onUpdateRow={onUpdateRow}
+              />
+
               {/* 테이블 컬럼 목록 */}
               <div className="space-y-2">
                 <div className="flex items-center justify-between">
@@ -2077,7 +2663,7 @@ function LayoutRowConfigModal({
                         <X className="h-3 w-3" />
                       </Button>
                     </div>
-                    <div className="grid grid-cols-4 gap-2">
+                    <div className="grid grid-cols-5 gap-2">
                       <div className="space-y-1">
                         <Label className="text-[10px]">필드</Label>
                         <SourceColumnSelector
@@ -2124,6 +2710,17 @@ function LayoutRowConfigModal({
                           <span className="ml-1 text-[10px]">{col.editable ? "예" : "아니오"}</span>
                         </div>
                       </div>
+                      <div className="space-y-1">
+                        <Label className="text-[10px]">숨김</Label>
+                        <div className="flex items-center h-6 px-2 border rounded-md bg-background">
+                          <Switch
+                            checked={col.hidden || false}
+                            onCheckedChange={(checked) => onUpdateTableColumn(colIndex, { hidden: checked })}
+                            className="scale-75"
+                          />
+                          <span className="ml-1 text-[10px]">{col.hidden ? "예" : "아니오"}</span>
+                        </div>
+                      </div>
                     </div>
                   </div>
                 ))}
@@ -3188,21 +3785,21 @@ export function RepeatScreenModalConfigPanel({ config, onChange }: RepeatScreenM
                   <div className="space-y-2 pt-2 border-t overflow-hidden">
                     <div className="flex items-center justify-between">
                       <Label className="text-[10px] font-semibold">집계 설정</Label>
-                      <Button 
-                        size="sm" 
-                        variant="outline" 
+                        <Button 
+                          size="sm" 
+                          variant="outline" 
                         onClick={() => setAggregationModalOpen(true)} 
                         className="h-6 text-[9px] px-2"
-                      >
+                        >
                         <Layers className="h-3 w-3 mr-1" />
                         설정 열기 ({(localConfig.grouping?.aggregations || []).length}개)
-                      </Button>
+                        </Button>
                     </div>
 
                     {/* 현재 집계 목록 요약 */}
                     {(localConfig.grouping?.aggregations || []).length > 0 ? (
                       <div className="space-y-1 max-h-[120px] overflow-y-auto pr-1">
-                        {(localConfig.grouping?.aggregations || []).map((agg, index) => (
+                    {(localConfig.grouping?.aggregations || []).map((agg, index) => (
                           <div 
                             key={`agg-summary-${index}`}
                             className={cn(
@@ -3239,15 +3836,15 @@ export function RepeatScreenModalConfigPanel({ config, onChange }: RepeatScreenM
             <div className="space-y-3 border rounded-lg p-3 bg-card">
               <div className="flex items-center justify-between">
                 <h3 className="text-xs font-semibold">레이아웃 행</h3>
-                <Button 
-                  size="sm" 
-                  variant="outline" 
+                  <Button
+                    size="sm"
+                    variant="outline"
                   onClick={() => setLayoutModalOpen(true)} 
                   className="h-6 text-[9px] px-2"
-                >
-                  <Layers className="h-3 w-3 mr-1" />
+                  >
+                    <Layers className="h-3 w-3 mr-1" />
                   설정 열기 ({(localConfig.contentRows || []).length}개)
-                </Button>
+                  </Button>
               </div>
 
               {/* 현재 레이아웃 요약 */}
@@ -3324,6 +3921,7 @@ export function RepeatScreenModalConfigPanel({ config, onChange }: RepeatScreenM
         aggregations={localConfig.grouping?.aggregations || []}
         sourceTable={localConfig.dataSource?.sourceTable || ""}
         allTables={allTables}
+        contentRows={localConfig.contentRows || []}
         onSave={(newAggregations) => {
           updateGrouping({ aggregations: newAggregations });
         }}
@@ -4192,7 +4790,7 @@ function ContentRowConfigSection({
                   checked={row.tableCrud?.allowCreate || false}
                   onCheckedChange={(checked) =>
                     onUpdateRow({
-                      tableCrud: { ...row.tableCrud, allowCreate: checked, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: row.tableCrud?.allowDelete || false, allowSave: row.tableCrud?.allowSave || false },
+                      tableCrud: { ...row.tableCrud, allowCreate: checked, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: row.tableCrud?.allowDelete || false },
                     })
                   }
                   className="scale-[0.5]"
@@ -4204,7 +4802,7 @@ function ContentRowConfigSection({
                   checked={row.tableCrud?.allowUpdate || false}
                   onCheckedChange={(checked) =>
                     onUpdateRow({
-                      tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: checked, allowDelete: row.tableCrud?.allowDelete || false, allowSave: row.tableCrud?.allowSave || false },
+                      tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: checked, allowDelete: row.tableCrud?.allowDelete || false },
                     })
                   }
                   className="scale-[0.5]"
@@ -4216,25 +4814,13 @@ function ContentRowConfigSection({
                   checked={row.tableCrud?.allowDelete || false}
                   onCheckedChange={(checked) =>
                     onUpdateRow({
-                      tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: checked, allowSave: row.tableCrud?.allowSave || false },
+                      tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: checked },
                     })
                   }
                   className="scale-[0.5]"
                 />
                 <Label className="text-[9px]">삭제</Label>
               </div>
-              <div className="flex items-center gap-1">
-                <Switch
-                  checked={row.tableCrud?.allowSave || false}
-                  onCheckedChange={(checked) =>
-                    onUpdateRow({
-                      tableCrud: { ...row.tableCrud, allowCreate: row.tableCrud?.allowCreate || false, allowUpdate: row.tableCrud?.allowUpdate || false, allowDelete: row.tableCrud?.allowDelete || false, allowSave: checked },
-                    })
-                  }
-                  className="scale-[0.5]"
-                />
-                <Label className="text-[9px]">저장</Label>
-              </div>
             </div>
             {row.tableCrud?.allowDelete && (
               <div className="flex items-center gap-1 pl-2">
@@ -4252,6 +4838,21 @@ function ContentRowConfigSection({
             )}
           </div>
 
+          {/* 🆕 v3.12: 연동 저장 설정 */}
+          <SyncSaveConfigSection
+            row={row}
+            allTables={allTables}
+            onUpdateRow={onUpdateRow}
+          />
+
+          {/* 🆕 v3.13: 행 추가 시 자동 채번 설정 */}
+          {row.tableCrud?.allowCreate && (
+            <RowNumberingConfigSection
+              row={row}
+              onUpdateRow={onUpdateRow}
+            />
+          )}
+
           {/* 테이블 컬럼 목록 */}
           <div className="space-y-2 pl-2 border-l-2 border-blue-300">
             <div className="flex items-center justify-between">
diff --git a/frontend/lib/registry/components/repeat-screen-modal/types.ts b/frontend/lib/registry/components/repeat-screen-modal/types.ts
index 47242d5a..92def760 100644
--- a/frontend/lib/registry/components/repeat-screen-modal/types.ts
+++ b/frontend/lib/registry/components/repeat-screen-modal/types.ts
@@ -188,10 +188,6 @@ export interface TableCrudConfig {
   allowUpdate: boolean; // 행 수정 허용
   allowDelete: boolean; // 행 삭제 허용
   
-  // 🆕 v3.5: 테이블 영역 저장 버튼
-  allowSave?: boolean; // 테이블 영역에 저장 버튼 표시
-  saveButtonLabel?: string; // 저장 버튼 라벨 (기본: "저장")
-  
   // 신규 행 기본값
   newRowDefaults?: Record<string, string>; // 기본값 (예: { status: "READY", sales_order_id: "{id}" })
   
@@ -203,6 +199,54 @@ export interface TableCrudConfig {
   
   // 저장 대상 테이블 (외부 데이터 소스 사용 시)
   targetTable?: string; // 저장할 테이블 (기본: tableDataSource.sourceTable)
+  
+  // 🆕 v3.12: 연동 저장 설정 (모달 전체 저장 시 다른 테이블에도 동기화)
+  syncSaves?: SyncSaveConfig[];
+  
+  // 🆕 v3.13: 행 추가 시 자동 채번 설정
+  rowNumbering?: RowNumberingConfig;
+}
+
+/**
+ * 🆕 v3.13: 테이블 행 채번 설정
+ * "추가" 버튼 클릭 시 특정 컬럼에 자동으로 번호를 생성
+ * 
+ * 사용 예시:
+ * - 출하계획번호(shipment_plan_no) 자동 생성
+ * - 송장번호(invoice_no) 자동 생성
+ * - 작업지시번호(work_order_no) 자동 생성
+ * 
+ * 참고: 채번 후 읽기 전용 여부는 테이블 컬럼의 "수정 가능" 설정으로 제어
+ */
+export interface RowNumberingConfig {
+  enabled: boolean; // 채번 사용 여부
+  targetColumn: string; // 채번 결과를 저장할 컬럼 (예: "shipment_plan_no")
+  
+  // 채번 규칙 설정 (옵션설정 > 코드설정에서 등록된 채번 규칙)
+  numberingRuleId: string; // 채번 규칙 ID (numbering_rule 테이블)
+}
+
+/**
+ * 🆕 v3.12: 연동 저장 설정
+ * 테이블 데이터 저장 시 다른 테이블의 특정 컬럼에 집계 값을 동기화
+ */
+export interface SyncSaveConfig {
+  id: string; // 고유 ID
+  enabled: boolean; // 활성화 여부
+  
+  // 소스 설정 (이 테이블에서)
+  sourceColumn: string; // 집계할 컬럼 (예: "plan_qty")
+  aggregationType: "sum" | "count" | "avg" | "min" | "max" | "latest"; // 집계 방식
+  
+  // 대상 설정 (저장할 테이블)
+  targetTable: string; // 대상 테이블 (예: "sales_order_mng")
+  targetColumn: string; // 대상 컬럼 (예: "plan_ship_qty")
+  
+  // 조인 키 (어떤 레코드를 업데이트할지)
+  joinKey: {
+    sourceField: string; // 이 테이블의 조인 키 (예: "sales_order_id")
+    targetField: string; // 대상 테이블의 키 (예: "id")
+  };
 }
 
 /**
@@ -285,6 +329,12 @@ export interface AggregationConfig {
   // - 산술 연산: +, -, *, /, ()
   formula?: string; // 연산식 (예: "{total_balance} - SUM_EXT({plan_qty})")
   
+  // === 🆕 v3.11: SUM_EXT 참조 테이블 제한 ===
+  // SUM_EXT 함수가 참조할 외부 테이블 행 ID 목록
+  // 비어있거나 undefined면 모든 외부 테이블 데이터 사용 (기존 동작)
+  // 특정 테이블만 참조하려면 contentRow의 id를 배열로 지정
+  externalTableRefs?: string[]; // 참조할 테이블 행 ID 목록 (예: ["crow-1764571929625"])
+  
   // === 공통 ===
   resultField: string; // 결과 필드명 (예: "total_balance_qty")
   label: string; // 표시 라벨 (예: "총수주잔량")
@@ -340,6 +390,9 @@ export interface TableColumnConfig {
   editable: boolean; // 편집 가능 여부
   required?: boolean; // 필수 입력 여부
   
+  // 🆕 v3.13: 숨김 설정 (화면에는 안 보이지만 데이터는 존재)
+  hidden?: boolean; // 숨김 여부
+  
   // 🆕 v3.3: 컬럼 소스 테이블 지정 (조인 테이블 컬럼 사용 시)
   fromTable?: string; // 컬럼이 속한 테이블 (비어있으면 소스 테이블)
   fromJoinId?: string; // additionalJoins의 id 참조 (조인 테이블 컬럼일 때)
diff --git a/frontend/lib/registry/components/text-input/TextInputComponent.tsx b/frontend/lib/registry/components/text-input/TextInputComponent.tsx
index f97609a6..72dabb61 100644
--- a/frontend/lib/registry/components/text-input/TextInputComponent.tsx
+++ b/frontend/lib/registry/components/text-input/TextInputComponent.tsx
@@ -2,7 +2,7 @@
 
 import React, { useEffect, useState } from "react";
 import { ComponentRendererProps } from "@/types/component";
-import { AutoGenerationConfig } from "@/types/screen";
+import { AutoGenerationConfig, AutoGenerationType } from "@/types/screen";
 import { TextInputConfig } from "./types";
 import { filterDOMProps } from "@/lib/utils/domPropsFilter";
 import { AutoGenerationUtils } from "@/lib/utils/autoGeneration";
diff --git a/frontend/lib/registry/components/text-input/TextInputConfigPanel.tsx b/frontend/lib/registry/components/text-input/TextInputConfigPanel.tsx
index 69088e96..5dd67812 100644
--- a/frontend/lib/registry/components/text-input/TextInputConfigPanel.tsx
+++ b/frontend/lib/registry/components/text-input/TextInputConfigPanel.tsx
@@ -5,6 +5,8 @@ import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import { Checkbox } from "@/components/ui/checkbox";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+import { Button } from "@/components/ui/button";
+import { Plus, Trash2 } from "lucide-react";
 import { TextInputConfig } from "./types";
 import { AutoGenerationType, AutoGenerationConfig } from "@/types/screen";
 import { AutoGenerationUtils } from "@/lib/utils/autoGeneration";