알림목록 오류 수정

frontend/src/hooks/useTradeNotificationSignalSnapshot.ts

@@ -9,6 +9,7 @@ import {
   resolveNotificationStrategy,
   normalizeStrategyId,
 } from '../utils/resolveNotificationStrategy';
+import { isStrategyMissingOnServer } from '../utils/strategyMissingCache';
 import { hydrateStrategyDto, normalizeMarketCode } from '../utils/strategyHydrate';
 import {
   fetchLiveSnapshot,
@@ -61,6 +62,12 @@ export function useTradeNotificationSignalSnapshot(
       emptyRetryRef.current = 0;
       return;
     }
+    // 서버에 없는 것으로 확인된 전략은 재요청하지 않음
+    if (isStrategyMissingOnServer(rawId)) {
+      setSnapshot(undefined);
+      setLoading(false);
+      return;
+    }
     if (refreshInFlightRef.current) return;
 
     const gen = ++genRef.current;