버그 처리

backend/app/services/loss_tracker.py

@@ -5,7 +5,7 @@
 재시작 후에도 ban 상태 유지: DB(stock_bans 테이블) 영속화.
 """
 import logging
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from typing import Dict, Optional
 
 logger = logging.getLogger(__name__)
@@ -39,7 +39,7 @@ class ConsecutiveLossTracker:
         if is_loss:
             entry["consecutive_losses"] += 1
             if entry["consecutive_losses"] >= self.ban_count:
-                entry["ban_until"] = datetime.now() + timedelta(days=self.ban_calendar_days)
+                entry["ban_until"] = datetime.now(timezone.utc) + timedelta(days=self.ban_calendar_days)
                 logger.warning(
                     f"{stock_code}: {entry['consecutive_losses']}회 연속 손실 → "
                     f"{entry['ban_until'].strftime('%Y-%m-%d')}까지 진입 금지"
@@ -71,7 +71,7 @@ class ConsecutiveLossTracker:
             else:
                 record.consecutive_losses = entry["consecutive_losses"]
                 record.ban_until = entry["ban_until"]
-                record.updated_at = datetime.now()
+                record.updated_at = datetime.now(timezone.utc)
 
             await db.commit()
             logger.debug(f"loss_tracker DB 저장 완료: {stock_code}")
@@ -87,7 +87,7 @@ class ConsecutiveLossTracker:
             result = await db.execute(select(StockBan))
             records = result.scalars().all()
 
-            now = datetime.now()
+            now = datetime.now(timezone.utc)
             loaded = 0
             for rec in records:
                 # 만료된 ban은 초기화
@@ -117,7 +117,7 @@ class ConsecutiveLossTracker:
         entry = self._tracker.get(stock_code)
         if not entry or not entry["ban_until"]:
             return False
-        if datetime.now() >= entry["ban_until"]:
+        if datetime.now(timezone.utc) >= entry["ban_until"]:
             # 금지 기간 만료 → 리셋
             entry["consecutive_losses"] = 0
             entry["ban_until"] = None