차트로딩중 적용

frontend/src/App.tsx

@@ -2274,23 +2274,10 @@ function App() {
             legend={legend}
           />
 
-          {/* 로딩 오버레이 */}
-          {useUpbit && isLoading && (
-            <div className="chart-loading">
-              <div className="loading-spinner" />
-              <span>업비트 데이터 로딩 중...</span>
-            </div>
-          )}
-          {isSingleLoadingMore && (
-            <div className="chart-history-loading">
-              <div className="loading-spinner" style={{ width: 14, height: 14 }} />
-              <span>과거 데이터 로딩...</span>
-            </div>
-          )}
-
           <TradingChart
             key={chartMountKey}
             chartVisible={chartVisible}
+            dataLoading={useUpbit && isLoading}
             bars={bars} barsMarket={barsMarket} market={symbol} timeframe={timeframe} displayTimezone={displayTimezone}
             chartType={chartType} theme={theme} mode={mode}
             indicators={effectiveIndicators} drawingTool={drawingTool}
@@ -2362,6 +2349,12 @@ function App() {
             volumeVisible={chartVolumeVisible}
             paneSeparatorOptions={chartPaneSeparator}
           />
+          {isSingleLoadingMore && (
+            <div className="chart-history-loading">
+              <div className="loading-spinner" style={{ width: 14, height: 14 }} />
+              <span>과거 데이터 로딩...</span>
+            </div>
+          )}
 
           {/* 백테스팅 결과 통계 배지 */}
           {btMatchesChart && layoutDef.count === 1 && (