서버 차트로딩중 오류 수정

frontend/src/chart/useChartWorkspace.ts

@@ -1959,10 +1959,9 @@ export function useChartWorkspace({
   const chartDataFetched = !useUpbit || (!isLoading && bars.length >= 2 && barsMarket === symbol);
   const chartPaintComplete = layoutDef.count > 1 ? allSlotsPaintReady : singleChartPaintReady;
   const chartDataLoading = useUpbit && chartVisible && (!chartConfigReady || !chartDataFetched);
+  /** paint 완료 = reloadAll setData까지 끝남 — chartDataFetched 와 이중 게이트 시 영구 로딩 가능 */
   const chartAreaLoading = useUpbit && chartVisible && (
-    !chartConfigReady
-    || !chartPaintComplete
-    || (layoutDef.count === 1 && !chartDataFetched)
+    !chartConfigReady || !chartPaintComplete
   );
 
   const viewProps: ChartWorkspaceViewProps = {

frontend/src/components/TradingChart.tsx

@@ -994,13 +994,9 @@ const TradingChart: React.FC<TradingChartProps> = ({
       }
       const m = managerRef.current;
       if (m?.hasMainSeries()) {
-        // 지표 일부만 로드된 경우에도 메인 캔들은 준비됨 — 실시간 틱 허용
-        onCandlesReady?.();
-        const expected = countExpectedVisibleIndicators(indicatorsRef.current);
-        const loaded = m.getLoadedIndicatorCount();
-        if (expected === 0 || loaded >= expected) {
+        // 메인 캔들만 준비되어도 paint·실시간 틱 허용 (지표는 백그라운드 복구)
         setChartPaintReady(true);
-        }
+        onCandlesReady?.();
       }
     }
   }, [normalizeChartViewport, onCandlesReady, onDataLoaded, displayTimezone, timeframe, market, queueFullReload, queueIndicatorRecovery]);

frontend/src/hooks/useStompChartData.ts

@@ -145,7 +145,10 @@ export function useStompChartData(
   /** 백엔드 history 비어 있을 때 STOMP 누적 → React bars 동기화 */
   const bootstrapFromStompRef = useRef(false);
   useEffect(() => {
-    if (opts.enabled === false) return;
+    if (opts.enabled === false) {
+      setIsLoading(false);
+      return;
+    }
     let cancelled = false;
     historyReadyRef.current = false;
     bootstrapFromStompRef.current = false;