보조지표 툴바추가

frontend/src/utils/ChartManager.ts

@@ -2717,27 +2717,28 @@ export class ChartManager {
   /** 우측 가격축 라벨 영역 클릭 여부 (LWC 축 스케일 드래그에 위임) */
   isOnPriceAxis(chartX: number, chartY: number): boolean {
     const paneIndex = this.getPaneIndexAtChartY(chartY);
+    const scaleW = this.getPriceScaleWidth(paneIndex);
+    if (scaleW <= 0) return false;
+    return chartX >= this.container.clientWidth - scaleW;
+  }
+
+  /** pane 우측 가격축(값 라벨) 너비 — PaneLegend 버튼 배치용 */
+  getPriceScaleWidth(paneIndex: number): number {
     try {
       const ps = paneIndex === 1
         ? this.chart.priceScale('volume', 1)
         : this.chart.priceScale('right', paneIndex);
       const scaleW = ps.width();
-      if (scaleW <= 0) return false;
-      return chartX >= this.container.clientWidth - scaleW;
+      return scaleW > 0 ? scaleW : 56;
     } catch {
-      return chartX >= this.container.clientWidth - 56;
+      return 56;
     }
   }
 
   /** 캔들 pane(0) 플롯 영역 너비 (우측 가격축 제외) */
   private _candlePlotWidth(): number {
-    try {
-      const ps = this.mainSeries?.priceScale() ?? this.chart.priceScale('right', 0);
-      const scaleW = ps.width();
-      return Math.max(40, this.container.clientWidth - scaleW);
-    } catch {
-      return Math.max(40, this.container.clientWidth - 56);
-    }
+    const scaleW = this.getPriceScaleWidth(0);
+    return Math.max(40, this.container.clientWidth - scaleW);
   }
 
   /**