실시간 차트 갱신오류 수정

frontend/src/hooks/useStompChartData.ts

@@ -141,7 +141,7 @@ export function useStompChartData(
       .then(newBars => {
         if (cancelled) return;
         barsRef.current = newBars;
-        historyReadyRef.current = newBars.length > 0;
+        historyReadyRef.current = true;
         setBarsMarket(market);
         setBars(newBars);
         setLatestBar(newBars[newBars.length - 1] ?? null);
@@ -269,6 +269,9 @@ export function useStompChartData(
     last1mVolRef.current = 0;
     last1mTimeRef.current = 0;
     void pinChartWatch(market, STOMP_TICK_CANDLE_TYPE);
+    if (candleType !== STOMP_TICK_CANDLE_TYPE) {
+      void pinChartWatch(market, candleType);
+    }
 
     const topic = `/sub/charts/${market}/${STOMP_TICK_CANDLE_TYPE}`;
     let alive = true;