전략 시간봉 오류 수정

frontend/src/components/LiveStrategyPanel.tsx

@@ -9,9 +9,11 @@ import { createPortal } from 'react-dom';
 import type { Theme } from '../types';
 import { useDraggablePanel } from '../hooks/useDraggablePanel';
 import {
+  repairStrategyTimeframes,
   saveLiveStrategySettings,
   type LiveStrategySettingsDto,
 } from '../utils/backendApi';
+import { warnStrategyTimeframeMismatch } from '../utils/strategyTimeframeSync';
 import { getKoreanName } from '../utils/marketNameCache';
 
 interface Strategy {
@@ -70,6 +72,15 @@ const LiveStrategyPanel: React.FC<LiveStrategyPanelProps> = ({
     if (virtualDriven) return;
     const next: LiveStrategySettingsDto = { ...settings, ...patch, market };
     const prev = settings;
+    if (next.isLiveCheck && next.strategyId != null) {
+      const ok = await warnStrategyTimeframeMismatch(next.strategyId);
+      if (!ok) return;
+      try {
+        await repairStrategyTimeframes(next.strategyId);
+      } catch {
+        /* repair optional */
+      }
+    }
     onSettingsChange?.(next);
     setSaving(true);
     try {