수정1

frontend/src/components/tradeNotification/TradeSignalMiniChart.tsx

@@ -103,26 +103,6 @@ const TradeSignalMiniChart: React.FC<Props> = ({
     applyNotificationSignalMarkers(mgr, signalMarkerRef.current, false);
   }, []);
 
-  /** OBV plot0(본선) 누락 시 refreshIndicators 로 강제 재생성 */
-  const ensureObvDualLine = useCallback(async (attempt = 0) => {
-    const mgr = managerRef.current;
-    if (!mgr?.hasMainSeries() || !needsDeepObv) return;
-    const obvCfg = chartIndicators.find(i => i.type === 'OBV');
-    if (!obvCfg) return;
-
-    await mgr.repairDualLineSeries();
-    const plotIds = mgr.getIndicatorSeriesPlotIds(obvCfg.id);
-    const needsBoth = plotIds.length < 2 || !plotIds.includes('plot0');
-    if (needsBoth && attempt < 4) {
-      await mgr.refreshIndicators([obvCfg]);
-      await mgr.repairDualLineSeries();
-      const after = mgr.getIndicatorSeriesPlotIds(obvCfg.id);
-      if ((after.length < 2 || !after.includes('plot0')) && attempt < 3) {
-        setTimeout(() => void ensureObvDualLine(attempt + 1), 500 * (attempt + 1));
-      }
-    }
-  }, [needsDeepObv, chartIndicators]);
-
   const syncChartLayout = useCallback(() => {
     const wrap = canvasWrapRef.current;
     const mgr = managerRef.current;
@@ -144,24 +124,13 @@ const TradeSignalMiniChart: React.FC<Props> = ({
     }
     syncChartLayout();
     applySignalMarkers();
-    if (!mgr) return;
-    void ensureObvDualLine();
-    [0, 100, 500, 1200].forEach(delay => {
-      setTimeout(() => {
-        void managerRef.current?.repairDualLineSeries();
-        void ensureObvDualLine();
-      }, delay);
-    });
-  }, [syncChartLayout, applySignalMarkers, ensureObvDualLine]);
+  }, [syncChartLayout, applySignalMarkers]);
 
   const handleManagerReady = useCallback((mgr: ChartManager) => {
     managerRef.current = mgr;
     syncToManager(mgr);
     applySignalMarkers();
-    if (needsDeepObv) {
-      void mgr.repairDualLineSeries().then(() => ensureObvDualLine());
-    }
-  }, [syncToManager, applySignalMarkers, needsDeepObv, ensureObvDualLine]);
+  }, [syncToManager, applySignalMarkers]);
 
   const applyRealtimeBar = useCallback((bar: OHLCVBar, append: boolean) => {
     if (barsMarketRef.current !== marketRef.current) return;
@@ -216,19 +185,6 @@ const TradeSignalMiniChart: React.FC<Props> = ({
 
   const chartDataReady = barsReady && obvBarsReady && settingsLoaded;
 
-  useEffect(() => {
-    if (!enabled || !chartDataReady) return;
-    const mgr = managerRef.current;
-    if (!mgr?.hasMainSeries()) return;
-    const timers = [200, 800, 1600].map(delay =>
-      setTimeout(() => {
-        void mgr.repairDualLineSeries();
-        void ensureObvDualLine();
-      }, delay),
-    );
-    return () => timers.forEach(clearTimeout);
-  }, [enabled, chartDataReady, chartIndicators, market, timeframe, settingsRevision, ensureObvDualLine]);
-
   useLayoutEffect(() => {
     chartLiveReadyRef.current = false;
     pendingBarRef.current = null;