feat: day_trading _execute_entry MCP 리스크 평가 연동 + .env.example MCP_CORS_ORIGINS 문서화

backend/app/api/endpoints/day_trading.py

@@ -217,7 +217,7 @@ async def _record_trade(
             executed_price=price,
             executed_quantity=quantity,
             total_amount=total,
-            net_profit_loss=profit_loss,          # ← net_profit_loss (profit_loss 컬럼 없음)
+            net_profit_loss=profit_loss,
             profit_loss_rate=(profit_loss / total * 100) if total > 0 else 0,
             slippage=slippage,
             status="COMPLETED",
@@ -299,7 +299,7 @@ async def run_day_trading_cycle() -> Dict[str, Any]:
         available_cash = portfolio["available_cash"]
         global _last_total_assets
         if total_assets > 0:
-            _last_total_assets = total_assets  # is_daily_loss_exceeded 계산용 캐시 갱신
+            _last_total_assets = total_assets
 
         if not is_daily_loss_exceeded(total_assets, _daily_pnl):
             current_day_trade_amount = sum(
@@ -415,7 +415,11 @@ async def _check_exits(
                         )
                         await db.execute(
                             sa_update(ActiveTrade)
-                            .where(ActiveTrade.stock_code == code, ActiveTrade.strategy_name == "day_trade", ActiveTrade.status == "active")
+                            .where(
+                                ActiveTrade.stock_code == code,
+                                ActiveTrade.strategy_name == "day_trade",
+                                ActiveTrade.status == "active",
+                            )
                             .values(status="closed")
                         )
                         await db.commit()
@@ -515,7 +519,11 @@ async def _scan_signals(
 
 
 async def _execute_entry(signal: DayTradeSignal, quantity: int) -> Optional[Dict]:
-    """진입 주문 실행 및 포지션 등록"""
+    """진입 주문 실행 및 포지션 등록.
+
+    주문 직전 MCP RISK_ASSESSMENT를 호출해 approve 시에만 매수한다 (이슈 4).
+    MCP 장애/타임아웃은 fail-open(approve=True)으로 처리해 매매를 차단하지 않는다.
+    """
     global _trade_lock
     async with _trade_lock:
         if len(_positions) >= MAX_POSITIONS:
@@ -526,6 +534,39 @@ async def _execute_entry(signal: DayTradeSignal, quantity: int) -> Optional[Dict
             logger.info(f"⛔ 당일 청산 종목 재진입 차단: {signal.stock_code}")
             return None
 
+        # ── MCP RISK_ASSESSMENT (공통 함수, 이슈 4 — day_trading 측) ────────────
+        from app.api.endpoints.mcp import request_mcp_risk_assessment
+        _mcp_trade_plan = {
+            "action": "BUY",
+            "strategy": signal.strategy,
+            "stock_code": signal.stock_code,
+            "stock_name": signal.stock_name,
+            "entry_price": signal.entry_price,
+            "stop_loss": signal.stop_loss,
+            "target_price": signal.target_price,
+            "quantity": quantity,
+            "reason": signal.reason,
+        }
+        _mcp_signals = {
+            "strategy": signal.strategy,
+            "confidence": signal.confidence,
+            "reason": signal.reason,
+        }
+        _approve, _mcp_reason = await request_mcp_risk_assessment(
+            _mcp_trade_plan, {}, _mcp_signals
+        )
+        if not _approve:
+            logger.warning(
+                f"🛑 MCP RISK_ASSESSMENT DENY [{signal.stock_code}] "
+                f"→ 주문 스킵. 사유: {_mcp_reason}"
+            )
+            return None
+        if _mcp_reason:
+            logger.info(
+                f"✅ MCP RISK_ASSESSMENT APPROVE [{signal.stock_code}]. 참고: {_mcp_reason}"
+            )
+        # ─────────────────────────────────────────────────────────────────────
+
         order_no = await _place_buy_order(
             signal.stock_code, quantity, int(signal.entry_price)
         )
@@ -608,7 +649,11 @@ async def _execute_eod_flat() -> None:
                     )
                     await db.execute(
                         sa_update(ActiveTrade)
-                        .where(ActiveTrade.stock_code == code, ActiveTrade.strategy_name == "day_trade", ActiveTrade.status == "active")
+                        .where(
+                            ActiveTrade.stock_code == code,
+                            ActiveTrade.strategy_name == "day_trade",
+                            ActiveTrade.status == "active",
+                        )
                         .values(status="closed")
                     )
                     await db.commit()
@@ -637,7 +682,7 @@ async def restore_positions_from_db() -> None:
     if _positions:
         return  # 이미 포지션 있으면 스킵
     from datetime import timezone
-    today_utc = datetime.now(timezone.utc).date()  # UTC 기준 오늘 날짜 (created_at과 동일 기준)
+    today_utc = datetime.now(timezone.utc).date()
     try:
         async with AsyncSessionLocal() as db:
             result = await db.execute(
@@ -648,11 +693,9 @@ async def restore_positions_from_db() -> None:
             )
             rows = result.scalars().all()
             for row in rows:
-                # created_at은 UTC 저장 → UTC 날짜로 비교
                 if row.created_at and row.created_at.date() != today_utc:
                     continue
                 entry_price = float(row.entry_price)
-                # entry_time 표시: UTC → KST 변환 (UTC+9)
                 if row.created_at:
                     created_kst = row.created_at.replace(tzinfo=pytz.utc).astimezone(KST)
                     entry_time_str = created_kst.strftime("%H:%M:%S")
@@ -839,7 +882,7 @@ async def get_positions():
         "count": len(result),
         "daily_pnl": round(_daily_pnl, 0),
         "is_daily_loss_exceeded": is_daily_loss_exceeded(
-            _last_total_assets,  # 사이클 캐시 사용 (포지션 가치가 아닌 총자산)
+            _last_total_assets,
             _daily_pnl,
         ),
     }