수정1

frontend/src/utils/ChartManager.ts

@@ -753,7 +753,7 @@ export class ChartManager {
     config: IndicatorConfig,
     def: ReturnType<typeof getIndicatorDef> | undefined,
   ): string[] {
-    const plotDefs = config.plots ?? def?.plots ?? [];
+    const plotDefs = def?.plots ?? config.plots ?? [];
     return plotDefs
       .filter(p => p.type !== 'histogram' && config.plotVisibility?.[p.id] !== false)
       .map(p => p.id);
@@ -783,8 +783,11 @@ export class ChartManager {
     indicatorHidden: boolean,
     def: ReturnType<typeof getIndicatorDef>,
   ): void {
-    const plotDefs = sortDualLinePlotDefs(config.plots ?? def?.plots ?? [])
-      .filter(p => p.type !== 'histogram' && config.plotVisibility?.[p.id] !== false);
+    const regPlots = def?.plots ?? [];
+    const styleById = Object.fromEntries((config.plots ?? regPlots).map(p => [p.id, p]));
+    const plotDefs = sortDualLinePlotDefs(regPlots)
+      .filter(p => p.type !== 'histogram' && config.plotVisibility?.[p.id] !== false)
+      .map(p => ({ ...p, ...styleById[p.id], id: p.id, title: p.title }));
     const indicatorPriceFormat = priceFormatForIndicatorPane(pane);
 
     for (const plotDef of plotDefs) {
@@ -1092,7 +1095,7 @@ export class ChartManager {
           this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
         }
       }
-      this.applyIndicatorStyle(config);
+      this.applyIndicatorStyle(config, { skipDualLineRefresh: true });
       if (config.type === 'BollingerBands' && !indicatorHidden) {
         attachBbBandFill(entry, config, this._shouldShowBbBandFillForConfig(config));
         entry.bbFillPrimitive?.requestRefresh();
@@ -1165,7 +1168,7 @@ export class ChartManager {
           this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
         } catch { /* ok */ }
       }
-      this.applyIndicatorStyle(config);
+      this.applyIndicatorStyle(config, { skipDualLineRefresh: true });
     }
   }
 
@@ -1282,7 +1285,8 @@ export class ChartManager {
   async refreshIndicators(configs: IndicatorConfig[]): Promise<void> {
     if (configs.length === 0) return;
     this.cancelPendingIndicatorUpdates();
-    const loadGen = ++this._dataGeneration;
+    /** setData 와 달리 generation 을 올리지 않음 — 배치 add 중 다른 지표 로드를 끊지 않음 */
+    const loadGen = this._dataGeneration;
 
     let any = false;
     for (const c of configs) {