차트 수정

features/dashboard/hooks/useStockOverview.ts

@@ -57,47 +57,33 @@ export function useStockOverview() {
     [],
   );
 
-  // 실시간 체결 데이터 수신 시 헤더/차트 기준 가격을 갱신합니다.
+  /**
+   * 실시간 체결 수신 시 헤더/주요 시세 상태만 갱신합니다.
+   * 차트 캔들은 StockLineChart 내부 API 응답을 기준으로 유지합니다.
+   * @see features/dashboard/components/DashboardContainer.tsx useKisTradeWebSocket onTick 전달
+   * @see features/dashboard/components/chart/StockLineChart.tsx 차트 데이터 fetchStockChart 기준 렌더링
+   */
   const updateRealtimeTradeTick = useCallback(
     (tick: DashboardRealtimeTradeTick) => {
       setSelectedStock((prev) => {
         if (!prev) return prev;
-        const { price, accumulatedVolume, change, changeRate, tickTime } = tick;
-        const pointTime =
-          tickTime && tickTime.length === 6
-            ? `${tickTime.slice(0, 2)}:${tickTime.slice(2, 4)}`
-            : "실시간";
 
+        const { price, accumulatedVolume, change, changeRate } = tick;
         const nextChange = change;
         const nextChangeRate = Number.isFinite(changeRate)
           ? changeRate
           : prev.prevClose > 0
             ? (nextChange / prev.prevClose) * 100
             : prev.changeRate;
-        const nextHigh = prev.high > 0 ? Math.max(prev.high, price) : price;
-        const nextLow = prev.low > 0 ? Math.min(prev.low, price) : price;
-        const nextCandles =
-          prev.candles.length > 0 &&
-          prev.candles[prev.candles.length - 1]?.time === pointTime
-            ? [
-                ...prev.candles.slice(0, -1),
-                {
-                  ...prev.candles[prev.candles.length - 1],
-                  time: pointTime,
-                  price,
-                },
-              ]
-            : [...prev.candles, { time: pointTime, price }].slice(-80);
 
         return {
           ...prev,
           currentPrice: price,
           change: nextChange,
           changeRate: nextChangeRate,
-          high: nextHigh,
-          low: nextLow,
+          high: prev.high > 0 ? Math.max(prev.high, price) : price,
+          low: prev.low > 0 ? Math.min(prev.low, price) : price,
           volume: accumulatedVolume > 0 ? accumulatedVolume : prev.volume,
-          candles: nextCandles,
         };
       });
     },