404에러 패치

frontend/src/components/tradeNotification/TradeNotificationListRow.tsx

@@ -7,7 +7,7 @@ import type { TickerData } from '../../hooks/useMarketTicker';
 import { useLiveReceiveFlash } from '../../hooks/useLiveReceiveFlash';
 import { useTradeNotificationSignalSnapshot } from '../../hooks/useTradeNotificationSignalSnapshot';
 import type { StrategyDto } from '../../utils/backendApi';
-import { loadStrategies, loadStrategy } from '../../utils/backendApi';
+import { isStrategyMissingOnServer, loadStrategies, loadStrategy } from '../../utils/backendApi';
 import type { TradeNotificationItem } from '../../contexts/TradeNotificationContext';
 import {
   buildSignalDetailRows,
@@ -118,7 +118,9 @@ const TradeNotificationListRow: React.FC<Props> = ({
     void loadStrategies().then(list => {
       if (!cancelled) setStrategies(list ?? []);
     });
-    if (!item.strategyId) return () => { cancelled = true; };
+    if (!item.strategyId || isStrategyMissingOnServer(item.strategyId)) {
+      return () => { cancelled = true; };
+    }
     void loadStrategy(item.strategyId).then(s => {
       if (!cancelled && s) setStrategy(s);
     });