서버 알림목록 로딩 오류 수정

frontend/src/hooks/useTradeNotificationSignalSnapshot.ts

@@ -16,7 +16,10 @@ import {
   type VirtualIndicatorSnapshot,
 } from './useVirtualIndicatorSnapshots';
 
-const MAX_EMPTY_RETRIES = 15;
+/** 전략을 찾았지만 백엔드가 아직 조건을 평가하지 않은 경우 — warm-up 대기 (10분) */
+const MAX_EMPTY_RETRIES_WARM = 200;
+/** 전략 자체를 찾지 못한 경우 — 빠르게 "데이터 없음" 표시 */
+const MAX_EMPTY_RETRIES_NO_STRATEGY = 3;
 
 function staticFallback(
   market: string,
@@ -48,6 +51,7 @@ export function useTradeNotificationSignalSnapshot(
   const [snapshot, setSnapshot] = useState<VirtualIndicatorSnapshot | undefined>();
   const [loading, setLoading] = useState(false);
   const emptyRetryRef = useRef(0);
+  const strategyResolvedRef = useRef(false);
   const genRef = useRef(0);
   const refreshInFlightRef = useRef(false);
   const resolvedStrategyRef = useRef<StrategyDto | undefined>();
@@ -93,6 +97,7 @@ export function useTradeNotificationSignalSnapshot(
         if (resolved.strategy) {
           effectiveStrategy = resolved.strategy;
           resolvedStrategyRef.current = resolved.strategy;
+          strategyResolvedRef.current = true;
         }
         if (resolved.strategyId != null) {
           effectiveId = resolved.strategyId;
@@ -100,6 +105,9 @@ export function useTradeNotificationSignalSnapshot(
         }
       }
 
+      // 전략을 prop 또는 resolution으로 확보했으면 resolved 표시
+      if (effectiveStrategy) strategyResolvedRef.current = true;
+
       const pinFirst = emptyRetryRef.current === 0;
       let snap = await fetchLiveSnapshot(
         normalizedMarket,
@@ -122,9 +130,13 @@ export function useTradeNotificationSignalSnapshot(
 
       if (gen === genRef.current) {
         setSnapshot(snap ?? undefined);
-        const stillCollecting = (!snap || snap.rows.length === 0)
+        const isEmpty = !snap || snap.rows.length === 0;
-          && emptyRetryRef.current < MAX_EMPTY_RETRIES;
+        // 전략이 확인된 경우: 백엔드 warm-up을 충분히 기다림 (10분)
-        setLoading(stillCollecting);
+        // 전략 자체를 찾지 못한 경우: 빠르게 "데이터 없음" 표시
+        const maxRetries = strategyResolvedRef.current
+          ? MAX_EMPTY_RETRIES_WARM
+          : MAX_EMPTY_RETRIES_NO_STRATEGY;
+        setLoading(isEmpty && emptyRetryRef.current < maxRetries);
       }
     } finally {
       refreshInFlightRef.current = false;
@@ -145,11 +157,13 @@ export function useTradeNotificationSignalSnapshot(
       setSnapshot(undefined);
       setLoading(false);
       emptyRetryRef.current = 0;
+      strategyResolvedRef.current = false;
       resolvedStrategyRef.current = undefined;
       effectiveStrategyIdRef.current = null;
       return;
     }
     emptyRetryRef.current = 0;
+    strategyResolvedRef.current = strategy != null;
     resolvedStrategyRef.current = strategy ? hydrateStrategyDto(strategy) : undefined;
     effectiveStrategyIdRef.current = strategy?.id ?? rawId;
     setLoading(true);