실시간 차트 스크롤시 날짜 동기화 문제

frontend/src/App.tsx

@@ -638,6 +638,7 @@ function App() {
   const chartVolumeVisible = appDefaults.chartVolumeVisible ?? true;
   const chartLiveReceiveHighlight = appDefaults.chartLiveReceiveHighlight ?? true;
   const chartLegendOptions = appDefaults.chartLegendOptions;
+  const chartCrosshairInfoVisible = appDefaults.chartCrosshairInfoVisible ?? true;
   const chartPaneSeparator = appDefaults.chartPaneSeparator;
   const paperTradingEnabled = appDefaults.paperTradingEnabled ?? true;
   const paperAutoTradeEnabled = appDefaults.paperAutoTradeEnabled ?? false;
@@ -1878,6 +1879,8 @@ function App() {
               chartLegendOptions: { ...chartLegendOptions, ...patch } as unknown as Record<string, boolean>,
             });
           }}
+          chartCrosshairInfoVisible={chartCrosshairInfoVisible}
+          onChartCrosshairInfoVisible={v => saveAppDef({ chartCrosshairInfoVisible: v })}
           chartPaneSeparator={chartPaneSeparator}
           onChartPaneSeparatorChange={opts => {
             saveAppDef({ chartPaneSeparator: opts });
@@ -2201,6 +2204,7 @@ function App() {
                 chartSeriesPriceLabels={chartSeriesPriceLabels}
                 chartVolumeVisible={chartVolumeVisible}
                 chartPaneSeparator={chartPaneSeparator}
+                chartCrosshairInfoVisible={chartCrosshairInfoVisible}
                 chartLiveReceiveHighlight={chartLiveReceiveHighlight}
                 chartRealtimeSource={chartRealtimeSource as 'BACKEND_STOMP' | 'UPBIT_DIRECT'}
                 displayTimezone={displayTimezone}
@@ -2241,6 +2245,7 @@ function App() {
                     chartSeriesPriceLabels={chartSeriesPriceLabels}
                     chartVolumeVisible={chartVolumeVisible}
                     chartPaneSeparator={chartPaneSeparator}
+                    chartCrosshairInfoVisible={chartCrosshairInfoVisible}
                     chartLiveReceiveHighlight={chartLiveReceiveHighlight}
                     chartRealtimeSource={chartRealtimeSource as 'BACKEND_STOMP' | 'UPBIT_DIRECT'}
                     displayTimezone={displayTimezone}
@@ -2257,6 +2262,7 @@ function App() {
         <div className="tv-chart-col" style={{ display: layoutDef.count > 1 ? 'none' : undefined }}>
           <ChartLegendBar
             visibility={chartLegendOptions}
+            crosshairInfoVisible={chartCrosshairInfoVisible}
             symbol={symbol}
             timeframe={timeframe}
             useUpbit={useUpbit}
@@ -2291,6 +2297,7 @@ function App() {
             drawings={drawings} logScale={logScale}
             drawingsLocked={drawingsLocked}
             drawingsVisible={drawingsVisible}
+            crosshairInfoVisible={chartCrosshairInfoVisible}
             onCrosshair={setLegend}
             onTradeOrderRequest={applyTradeFill}
             onDataLoaded={() => syncBacktestMarkersRef.current()}