라벨 중복문제 수정

frontend/src/components/TradingChart.tsx

@@ -345,6 +345,7 @@ const TradingChart: React.FC<TradingChartProps> = ({
   }, [market, barsMarket]);
 
   const queueIndicatorRecovery = useCallback(() => {
+    if (reloadInFlightRef.current) return;
     if (recoveryTimerRef.current) clearTimeout(recoveryTimerRef.current);
     recoveryTimerRef.current = window.setTimeout(() => {
       recoveryTimerRef.current = null;
@@ -889,7 +890,13 @@ const TradingChart: React.FC<TradingChartProps> = ({
 
     if (!barsChanged && !indChanged && !ctChanged && !thChanged && !lsChanged && !indicatorsIncomplete) return;
 
-    if (barsChanged || ctChanged || thChanged || indicatorsIncomplete) {
+    if (thChanged && !barsChanged && !indChanged && !ctChanged && !lsChanged && !indicatorsIncomplete) {
+      prevTheme.current = theme;
+      mgr.setTheme(theme);
+      return;
+    }
+
+    if (barsChanged || ctChanged || indicatorsIncomplete) {
       // 데이터·차트 형식 변경 또는 지표 누락 → 전체 재로드
       void reloadAll(mgr, bars, chartType, theme, logScale, indicators);
     } else if (lsChanged) {
@@ -1011,6 +1018,7 @@ const TradingChart: React.FC<TradingChartProps> = ({
 
     const timers = [120, 400, 900].map(delay =>
       window.setTimeout(() => {
+        if (reloadInFlightRef.current) return;
         const m = managerRef.current;
         if (!m || !m.hasMainSeries()) return;
         if (!canApplyChartBars(bars, barsMarket, market)) return;