전략 시간봉 오류 수정

frontend/src/utils/indicatorPaneMerge.ts

@@ -151,7 +151,7 @@ type GetVisual = (
   type: string,
   defaultPlots?: PlotDef[],
   defaultHlines?: HLineDef[],
-) => { plots: PlotDef[]; hlines: HLineDef[]; cloudColors?: IchimokuCloudColors };
+) => { plots: PlotDef[]; hlines: HLineDef[]; cloudColors?: IchimokuCloudColors; bandBackground?: import('../types').HlinesBackground };
 
 /** 탭 전체 추가 — 기존 차트 지표를 제거하고 types 목록만 새로 구성 */
 export function replaceIndicatorConfigsFromTypes(
@@ -181,7 +181,7 @@ export function buildIndicatorConfigsFromTypes(
     seen.add(type);
 
     const params = getParams(type, def.defaultParams);
-    const { plots, hlines, cloudColors } = getVisualConfig(type, def.plots, def.hlines);
+    const { plots, hlines, cloudColors, bandBackground } = getVisualConfig(type, def.plots, def.hlines);
     let cfg: IndicatorConfig = {
       id: newId(),
       type: def.type,
@@ -189,6 +189,7 @@ export function buildIndicatorConfigsFromTypes(
       plots,
       hlines,
       ...(cloudColors ? { cloudColors } : {}),
+      ...(bandBackground ? { bandBackground } : {}),
     };
     if (type === 'SMA') {
       cfg = normalizeSmaConfig({