전략편집기 수정, 보조지표 설정 수정

frontend/src/utils/plotColorUtils.ts

@@ -73,9 +73,7 @@ export function histogramBarColor(
   value: number,
   prev: number | null | undefined,
   plot: PlotDef,
-  pointColor?: string,
 ): string {
-  if (pointColor) return withHistogramAlpha(pointColor);
   const isDown = prev != null && !isNaN(prev) && value < prev;
   const isNeg = value < 0;
   const raw = (isDown || isNeg) ? resolveHistogramDownColor(plot) : resolveHistogramUpColor(plot);
@@ -89,6 +87,7 @@ export function mapHistogramSeriesData(
   return filtered.map((p, idx, arr) => ({
     time: p.time as import('lightweight-charts').Time,
     value: p.value,
-    color: histogramBarColor(p.value, idx > 0 ? arr[idx - 1].value : null, plot, p.color),
+    // lightweight-charts-indicators MACD 등이 막대별 color를 넣어도 설정(상승/하락) 색을 우선
+    color: histogramBarColor(p.value, idx > 0 ? arr[idx - 1].value : null, plot),
   }));
 }