지표탭 추가 수정

frontend/src/components/ChartSlot.tsx

@@ -32,7 +32,7 @@ import {
   mergeIndicators,
   reorderIndicatorGroup,
   splitIndicatorPane,
-  buildIndicatorConfigsFromTypes,
+  replaceIndicatorConfigsFromTypes,
 } from '../utils/indicatorPaneMerge';
 import { saveSlot } from '../utils/backendApi';
 import type {
@@ -86,7 +86,7 @@ function newIndId() { return `sind_${++_slotIndCounter}_${Date.now()}`; }
 export interface ChartSlotHandle {
   /** 지표 추가 */
   addIndicator: (type: string, fromConfig?: IndicatorConfig) => void;
-  /** 지표 일괄 추가 (탭 전체 추가) */
+  /** 지표 일괄 추가 (탭 전체 추가 — 기존 지표 제거 후 탭 지표만 적용) */
   addIndicators: (types: string[]) => void;
   /** 지표 제거 (type 기준) */
   removeIndicatorByType: (type: string) => void;
@@ -273,10 +273,9 @@ const ChartSlot = forwardRef<ChartSlotHandle, ChartSlotProps>(function ChartSlot
     },
     addIndicators: (types: string[]) => {
       if (!types.length) return;
-      setIndicators(prev => {
-        const added = buildIndicatorConfigsFromTypes(types, prev, getParams, getVisualConfig, newIndId);
-        return added.length > 0 ? [...prev, ...added] : prev;
-      });
+      setIndicators(
+        replaceIndicatorConfigsFromTypes(types, getParams, getVisualConfig, newIndId),
+      );
     },
     removeIndicatorByType: (type: string) => {
       setIndicators(prev => prev.filter(i => i.type !== type));