obv 수정

frontend/src/utils/strategyToChartIndicators.ts

@@ -68,10 +68,14 @@ type GetVisual = (
   cloudColors?: import('./ichimokuConfig').IchimokuCloudColors;
 };
 
-let _idSeq = 0;
-function newIndId(): string {
-  _idSeq += 1;
-  return `vstrat_${_idSeq}_${Date.now()}`;
+/** 전략 DSL 기준 안정 id — getVisualConfig/settingsRevision 변경 시 id 재발급 방지 */
+export function stableStrategyIndicatorId(ref: IndicatorRef): string {
+  const parts = [ref.registryType];
+  if (ref.period != null) parts.push(`p${ref.period}`);
+  if (ref.leftPeriod != null) parts.push(`l${ref.leftPeriod}`);
+  if (ref.rightPeriod != null) parts.push(`r${ref.rightPeriod}`);
+  if (ref.targetValue != null) parts.push(`t${ref.targetValue}`);
+  return `strat_${parts.join('_')}`;
 }
 
 export function candleTypeToTimeframe(candleType: string): Timeframe {
@@ -171,6 +175,7 @@ function buildOneIndicator(
   ref: IndicatorRef,
   getParams: GetParams,
   getVisual: GetVisual,
+  stableId?: string,
 ): IndicatorConfig | null {
   const def = getIndicatorDef(ref.registryType);
   if (!def) return null;
@@ -179,7 +184,7 @@ function buildOneIndicator(
   const { plots, hlines, cloudColors } = getVisual(ref.registryType, def.plots, def.hlines ?? []);
 
   let cfg: IndicatorConfig = {
-    id: newIndId(),
+    id: stableId ?? stableStrategyIndicatorId(ref),
     type: def.type,
     params: { ...params },
     plots,
@@ -295,6 +300,7 @@ export function ensurePaperChartOverlays(
       { dslType: 'MA', registryType: 'SMA' },
       getParams,
       getVisual,
+      'strat_overlay_SMA',
     );
     if (sma) prepend.push(sma);
   }
@@ -303,6 +309,7 @@ export function ensurePaperChartOverlays(
       { dslType: 'ICHIMOKU', registryType: 'IchimokuCloud' },
       getParams,
       getVisual,
+      'strat_overlay_IchimokuCloud',
     );
     if (ichimoku) prepend.push(ichimoku);
   }
@@ -311,6 +318,7 @@ export function ensurePaperChartOverlays(
       { dslType: 'BOLLINGER', registryType: 'BollingerBands' },
       getParams,
       getVisual,
+      'strat_overlay_BollingerBands',
     );
     if (bb) prepend.push(bb);
   }