밑꺽쇠 수정했음!

frontend/lib/registry/components/pivot-grid/PivotGridConfigPanel.tsx

@@ -16,6 +16,7 @@ import {
   PivotAreaType,
   AggregationType,
   FieldDataType,
+  DateGroupInterval,
 } from "./types";
 import { Label } from "@/components/ui/label";
 import { Input } from "@/components/ui/input";
@@ -202,6 +203,28 @@ const AreaDropZone: React.FC<AreaDropZoneProps> = ({
                     </Select>
                   )}
                   
+                  {/* 행/열 영역에서 날짜 타입일 때 그룹화 옵션 */}
+                  {(area === "row" || area === "column") && field.dataType === "date" && (
+                    <Select
+                      value={field.groupInterval || "__none__"}
+                      onValueChange={(v) => onUpdateField(idx, { 
+                        groupInterval: v === "__none__" ? undefined : v as DateGroupInterval 
+                      })}
+                    >
+                      <SelectTrigger className="h-6 w-16 text-xs">
+                        <SelectValue placeholder="그룹" />
+                      </SelectTrigger>
+                      <SelectContent>
+                        <SelectItem value="__none__">없음</SelectItem>
+                        <SelectItem value="year">년</SelectItem>
+                        <SelectItem value="quarter">분기</SelectItem>
+                        <SelectItem value="month">월</SelectItem>
+                        <SelectItem value="week">주</SelectItem>
+                        <SelectItem value="day">일</SelectItem>
+                      </SelectContent>
+                    </Select>
+                  )}
+                  
                   <Button
                     variant="ghost"
                     size="icon"
@@ -295,7 +318,8 @@ export const PivotGridConfigPanel: React.FC<PivotGridConfigPanelProps> = ({
         const mappedColumns: ColumnInfo[] = columnList.map((c: any) => ({
           column_name: c.columnName || c.column_name,
           data_type: c.dataType || c.data_type || "text",
-          column_comment: c.columnLabel || c.column_label || c.columnName || c.column_name,
+          // 라벨 우선순위: displayName > comment > columnLabel > columnName
+          column_comment: c.displayName || c.comment || c.columnLabel || c.column_label || c.columnName || c.column_name,
         }));
         setColumns(mappedColumns);
       } catch (error) {