수정본

backend/app/services/db_worker.py

@@ -455,9 +455,17 @@ async def db_writer_worker() -> None:
                     record = result.scalar_one_or_none()
 
                     if record is None:
-                        record = ActiveTrade(**data)
+                        # remaining_pct_multiply는 신규 생성 시 무시
+                        create_data = {k: v for k, v in data.items() if k != "remaining_pct_multiply"}
+                        record = ActiveTrade(**create_data)
                         session.add(record)
                     else:
+                        # remaining_pct_multiply: 기존 remaining_pct에 비율을 곱함
+                        # (MDD 축소 시 기존 분할매도 이력 반영)
+                        multiply_ratio = data.pop("remaining_pct_multiply", None)
+                        if multiply_ratio is not None:
+                            current_remaining = getattr(record, "remaining_pct", 1.0) or 1.0
+                            record.remaining_pct = current_remaining * float(multiply_ratio)
                         for key, val in data.items():
                             if key != "stock_code" and val is not None:
                                 setattr(record, key, val)