구조적인 부분 수정

backend/app/api/endpoints/market_data.py

@@ -10,6 +10,9 @@
 from datetime import datetime, timedelta
 import random
 import logging
+import pytz
+
+_KST = pytz.timezone("Asia/Seoul")
 
 from fastapi import APIRouter, HTTPException, Query, Depends
 from typing import List, Dict
@@ -693,7 +696,7 @@ async def get_ai_analysis(stock_code: str, db: AsyncSession = Depends(get_db)):
             "recommendation": recommendation,
             "confidence": confidence,
             "trend": trend,
-            "analyzed_at": datetime.now().isoformat(),
+            "analyzed_at": datetime.now(_KST).isoformat(),  # KST +09:00 포함
         }
 
     except HTTPException: