diff --git a/frontend/src/hooks/useVirtualIndicatorSnapshots.ts b/frontend/src/hooks/useVirtualIndicatorSnapshots.ts
index 58e5b24..16630f3 100644
--- a/frontend/src/hooks/useVirtualIndicatorSnapshots.ts
+++ b/frontend/src/hooks/useVirtualIndicatorSnapshots.ts
@@ -161,6 +161,7 @@ export async function fetchLiveSnapshot(
   } catch {
     status = null;
   }
+  console.debug('[fetchLiveSnapshot] market=%s sid=%d status=%s baseRows=%d', normalizedMarket, strategyId, status ? 'ok' : 'null', baseRows.length);
 
   if (!status || !statusMatches(status, normalizedMarket, strategyId)) {
     if (baseRows.length === 0) return null;
diff --git a/frontend/src/utils/resolveNotificationStrategy.ts b/frontend/src/utils/resolveNotificationStrategy.ts
index 90088b5..0b7deb7 100644
--- a/frontend/src/utils/resolveNotificationStrategy.ts
+++ b/frontend/src/utils/resolveNotificationStrategy.ts
@@ -80,6 +80,7 @@ export async function resolveNotificationStrategy(
   const normalizedId = normalizeStrategyId(strategyId);
   // prefetched가 빈 배열이면 직접 API로 재시도 (백엔드 미준비 시 prefetch가 빈 채로 캐시될 수 있음)
   const list = (prefetched != null && prefetched.length > 0) ? prefetched : await getStrategiesList();
+  console.debug('[resolveStrategy] id=%s name=%s listSize=%d', normalizedId, strategyName, list.length);
 
   if (normalizedId != null) {
     const fromList = list.find(s => s.id === normalizedId);
@@ -129,6 +130,7 @@ export async function resolveNotificationStrategy(
     }
   }
 
+  console.warn('[resolveStrategy] 전략 찾기 실패 id=%s name=%s market=%s listSize=%d', normalizedId, strategyName, market, list.length);
   return { strategy: undefined, strategyId: normalizedId };
 }