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

@@ -299,6 +299,8 @@ export const PivotGridComponent: React.FC<PivotGridProps> = ({
   // ==================== 상태 ====================
 
   const [fields, setFields] = useState<PivotFieldConfig[]>(initialFields);
+  // 초기 필드 설정 저장 (초기화용)
+  const initialFieldsRef = useRef<PivotFieldConfig[]>(initialFields);
   const [pivotState, setPivotState] = useState<PivotGridState>({
     expandedRowPaths: [],
     expandedColumnPaths: [],
@@ -1129,6 +1131,7 @@ export const PivotGridComponent: React.FC<PivotGridProps> = ({
           onFieldsChange={handleFieldsChange}
           collapsed={!showFieldPanel}
           onToggleCollapse={() => setShowFieldPanel(!showFieldPanel)}
+          initialFields={initialFieldsRef.current}
         />
 
         {/* 안내 메시지 */}
@@ -1405,6 +1408,7 @@ export const PivotGridComponent: React.FC<PivotGridProps> = ({
         onFieldsChange={handleFieldsChange}
         collapsed={!showFieldPanel}
         onToggleCollapse={() => setShowFieldPanel(!showFieldPanel)}
+        initialFields={initialFieldsRef.current}
       />
 
       {/* 헤더 툴바 */}

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

@@ -37,6 +37,10 @@ import {
   BarChart3,
   GripVertical,
   ChevronDown,
+  RotateCcw,
+  FilterX,
+  LayoutGrid,
+  Trash2,
 } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import {
@@ -56,6 +60,8 @@ interface FieldPanelProps {
   onFieldSettingsChange?: (field: PivotFieldConfig) => void;
   collapsed?: boolean;
   onToggleCollapse?: () => void;
+  /** 초기 필드 설정 (필드 배치 초기화용) */
+  initialFields?: PivotFieldConfig[];
 }
 
 interface FieldChipProps {
@@ -123,15 +129,23 @@ const SortableFieldChip: React.FC<FieldChipProps> = ({
     transition,
   };
 
+  // 필터 적용 여부 확인
+  const hasFilter = field.filterValues && field.filterValues.length > 0;
+  const filterCount = field.filterValues?.length || 0;
+
   return (
     <div
       ref={setNodeRef}
       style={style}
       className={cn(
         "inline-flex items-center gap-1 px-2 py-1 rounded-md text-xs",
-        "bg-background border border-border shadow-sm",
+        "bg-background border shadow-sm",
         "hover:bg-accent/50 transition-colors",
-        isDragging && "opacity-50 shadow-lg"
+        isDragging && "opacity-50 shadow-lg",
+        // 필터 적용 시 강조 표시
+        hasFilter 
+          ? "border-primary bg-primary/5" 
+          : "border-border"
       )}
     >
       {/* 드래그 핸들 */}
@@ -143,11 +157,24 @@ const SortableFieldChip: React.FC<FieldChipProps> = ({
         <GripVertical className="h-3 w-3" />
       </button>
 
+      {/* 필터 아이콘 (필터 적용 시) */}
+      {hasFilter && (
+        <Filter className="h-3 w-3 text-primary" />
+      )}
+
       {/* 필드 라벨 */}
       <DropdownMenu>
         <DropdownMenuTrigger asChild>
           <button className="flex items-center gap-1 hover:text-primary">
-            <span className="font-medium">{field.caption}</span>
+            <span className={cn("font-medium", hasFilter && "text-primary")}>
+              {field.caption}
+            </span>
+            {/* 필터 적용 개수 배지 */}
+            {hasFilter && (
+              <span className="bg-primary text-primary-foreground text-[10px] px-1 rounded">
+                {filterCount}
+              </span>
+            )}
             {field.area === "data" && field.summaryType && (
               <span className="text-muted-foreground">
                 ({getSummaryLabel(field.summaryType)})
@@ -208,6 +235,19 @@ const SortableFieldChip: React.FC<FieldChipProps> = ({
             {field.sortOrder === "asc" ? "내림차순 정렬" : "오름차순 정렬"}
           </DropdownMenuItem>
           <DropdownMenuSeparator />
+          {/* 필터 초기화 (필터가 적용된 경우에만 표시) */}
+          {hasFilter && (
+            <>
+              <DropdownMenuItem
+                onClick={() => onSettingsChange?.({ ...field, filterValues: [] })}
+                className="text-orange-600"
+              >
+                <Filter className="h-3 w-3 mr-2" />
+                필터 초기화 ({filterCount}개 선택됨)
+              </DropdownMenuItem>
+              <DropdownMenuSeparator />
+            </>
+          )}
           <DropdownMenuItem
             onClick={() => onSettingsChange?.({ ...field, visible: false })}
           >
@@ -326,10 +366,73 @@ export const FieldPanel: React.FC<FieldPanelProps> = ({
   onFieldSettingsChange,
   collapsed = false,
   onToggleCollapse,
+  initialFields,
 }) => {
   const [activeId, setActiveId] = useState<string | null>(null);
   const [overArea, setOverArea] = useState<PivotAreaType | null>(null);
 
+  // 필터만 초기화
+  const handleResetFilters = () => {
+    const newFields = fields.map((f) => ({
+      ...f,
+      filterValues: [],
+      filterType: "include" as const,
+    }));
+    onFieldsChange(newFields);
+  };
+
+  // 필드 배치 초기화 (initialFields가 있으면 사용, 없으면 모든 필드를 row로)
+  const handleResetLayout = () => {
+    if (initialFields && initialFields.length > 0) {
+      // initialFields의 영역 배치를 복원하되 현재 필터 값은 유지
+      const newFields = fields.map((f) => {
+        const initial = initialFields.find((i) => i.field === f.field);
+        if (initial) {
+          return {
+            ...f,
+            area: initial.area,
+            areaIndex: initial.areaIndex,
+          };
+        }
+        return f;
+      });
+      onFieldsChange(newFields);
+    } else {
+      // 기본값: 숫자는 data, 나머지는 row로
+      const newFields = fields.map((f, idx) => ({
+        ...f,
+        area: f.dataType === "number" ? "data" : "row" as PivotAreaType,
+        areaIndex: idx,
+        visible: true,
+      }));
+      onFieldsChange(newFields);
+    }
+  };
+
+  // 전체 초기화 (필드 배치 + 필터)
+  const handleResetAll = () => {
+    if (initialFields && initialFields.length > 0) {
+      // initialFields로 완전히 복원
+      onFieldsChange([...initialFields]);
+    } else {
+      // 기본값으로 초기화
+      const newFields = fields.map((f, idx) => ({
+        ...f,
+        area: f.dataType === "number" ? "data" : "row" as PivotAreaType,
+        areaIndex: idx,
+        visible: true,
+        filterValues: [],
+        filterType: "include" as const,
+      }));
+      onFieldsChange(newFields);
+    }
+  };
+
+  // 필터가 적용된 필드 개수
+  const filteredFieldCount = fields.filter(
+    (f) => f.filterValues && f.filterValues.length > 0
+  ).length;
+
   const sensors = useSensors(
     useSensor(PointerSensor, {
       activationConstraint: {
@@ -576,19 +679,60 @@ export const FieldPanel: React.FC<FieldPanelProps> = ({
           />
         </div>
 
-        {/* 접기 버튼 */}
+        {/* 하단 버튼 영역 */}
-        {onToggleCollapse && (
+        <div className="flex items-center justify-between mt-1.5">
-          <div className="flex justify-center mt-1.5">
+          {/* 초기화 드롭다운 */}
+          <DropdownMenu>
+            <DropdownMenuTrigger asChild>
+              <Button
+                variant="ghost"
+                size="sm"
+                className="text-xs h-6 px-2 text-muted-foreground hover:text-foreground"
+              >
+                <RotateCcw className="h-3 w-3 mr-1" />
+                초기화
+                {filteredFieldCount > 0 && (
+                  <span className="ml-1 bg-orange-500 text-white text-[10px] px-1 rounded">
+                    {filteredFieldCount}
+                  </span>
+                )}
+                <ChevronDown className="h-3 w-3 ml-1" />
+              </Button>
+            </DropdownMenuTrigger>
+            <DropdownMenuContent align="start" className="w-48">
+              <DropdownMenuItem onClick={handleResetFilters}>
+                <FilterX className="h-3.5 w-3.5 mr-2 text-orange-500" />
+                필터만 초기화
+                {filteredFieldCount > 0 && (
+                  <span className="ml-auto text-xs text-muted-foreground">
+                    ({filteredFieldCount}개)
+                  </span>
+                )}
+              </DropdownMenuItem>
+              <DropdownMenuItem onClick={handleResetLayout}>
+                <LayoutGrid className="h-3.5 w-3.5 mr-2 text-blue-500" />
+                필드 배치 초기화
+              </DropdownMenuItem>
+              <DropdownMenuSeparator />
+              <DropdownMenuItem onClick={handleResetAll} className="text-destructive">
+                <Trash2 className="h-3.5 w-3.5 mr-2" />
+                전체 초기화
+              </DropdownMenuItem>
+            </DropdownMenuContent>
+          </DropdownMenu>
+
+          {/* 접기 버튼 */}
+          {onToggleCollapse && (
             <Button
               variant="ghost"
               size="sm"
               onClick={onToggleCollapse}
-              className="text-xs h-5 px-2"
+              className="text-xs h-6 px-2"
             >
               필드 패널 접기
             </Button>
-          </div>
+          )}
-        )}
+        </div>
       </div>
 
       {/* 드래그 오버레이 */}