자동매매 관련로직 수정

backend/app/api/endpoints/recommendations.py

@@ -13,7 +13,8 @@ from sqlalchemy import select
 
 from app.core.config import settings
 from app.services.market_analyzer import (
-    check_market_regime, get_all_tradable_stocks, analyze_stock, 
+    check_market_regime, get_all_tradable_stocks, analyze_stock,
+    analyze_stock_for_batch,
     RecommendationCriteria, StockRecommendation, KST
 )
 from app.services.trade_executor import execute_auto_trade_background, execute_auto_trade