feat: MCP 서버 리스크 검증 파이프라인 및 청산 상태머신 개선

- risk_validator.py: 가격/포지션/MDD/레버리지 5단계 검증
- auto_trade_claude.py: 주문 전 리스크 검증 파이프라인 통합
- trade_monitor.py: ATR 기반 익절/트레일링 스탑, API 기반 상태 전환
  (active → pending_sell → closed), 2R 수익 시 50% 분할 매도

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

mcp-server/auto_trade_claude.py

@@ -2,8 +2,22 @@ import re
 import asyncio
 import json
 import os
+import sys
+import logging
 from datetime import datetime, timezone
+from decimal import Decimal
+
+# Backend imports for risk validation
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../backend')))
 from app.services.korea_investment_api import korea_investment_api
+from app.core.database import AsyncSessionLocal
+
+# Risk validator
+from risk_validator import validate_and_log_order
+
+# Logging setup
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+logger = logging.getLogger(__name__)
 
 # Claude 응답에서 종목/가격 추출
 CLAUDE_FORMAT = r"종목[:\s]+(\d+)"  # 종목코드
@@ -41,39 +55,144 @@ def save_active_trade(trade_info):
         json.dump(trades, f, indent=4, ensure_ascii=False)
     print(f"✅ 거래 정보 저장 완료: {trade_info['stock_code']}")
 
+async def get_account_balance() -> float:
+    """Fetch current account balance from KIS API"""
+    try:
+        balance_info, _ = await korea_investment_api._make_request(
+            "GET",
+            "/uapi/domestic-stock/v1/trading/inquire-account",
+            "TTTC8434R",
+            params={}
+        )
+        if balance_info and balance_info.get('rt_cd') == '0':
+            output = balance_info.get('output', {})
+            # Try multiple possible field names for balance
+            balance = float(
+                output.get('tot_evalu_amt') or
+                output.get('tot_assets') or
+                output.get('dnca_tot_amt') or
+                0
+            )
+            return balance
+        return 0
+    except Exception as e:
+        logger.error(f"Failed to fetch account balance: {e}")
+        return 0
+
+
+async def get_stock_info(stock_code: str) -> tuple:
+    """Fetch stock name and current price"""
+    try:
+        price_info, _ = await korea_investment_api._make_request(
+            "GET",
+            "/uapi/domestic-stock/v1/quotations/inquire-price",
+            "FHKST01010100",
+            params={"FID_COND_MRKT_DIV_CODE": "J", "FID_INPUT_ISCD": stock_code}
+        )
+        if price_info and price_info.get('rt_cd') == '0':
+            output = price_info.get('output', {})
+            stock_name = output.get('hts_kor_isnm', 'Unknown')
+            current_price = int(output.get('stck_prpr', 0))
+            return stock_name, current_price
+        return 'Unknown', 0
+    except Exception as e:
+        logger.error(f"Failed to fetch stock info for {stock_code}: {e}")
+        return 'Unknown', 0
+
+
 async def auto_trade_from_claude(text, quantity=1):
+    """
+    Execute trade from Claude response with comprehensive risk validation.
+
+    Flow:
+    1. Parse Claude response
+    2. Fetch account balance and stock info
+    3. Run comprehensive risk validation (CLAUDE.md Section 5)
+    4. Place order only if all checks pass
+    5. Log rejection if any check fails
+    """
     info = parse_claude_response(text)
-    if info['stock_code'] and info['entry_price']:
-        print(f"▶️ 매수 주문 시도: {info['stock_code']}, 수량: {quantity}, 가격: {info['entry_price']}")
+
+    if not info['stock_code'] or not info['entry_price']:
+        logger.error('Claude 응답에서 종목/가격을 찾을 수 없습니다.')
+        return
+
+    stock_code = info['stock_code']
+    entry_price = info['entry_price']
+
+    logger.info(f"▶️ Processing trade: {stock_code}, Qty: {quantity}, Price: {entry_price}")
+
+    # Step 1: Fetch account balance
+    account_balance = await get_account_balance()
+    if account_balance <= 0:
+        logger.error(f"❌ Cannot determine account balance. Trading aborted.")
+        return
+
+    logger.info(f"Account balance: {account_balance:,.0f} KRW")
+
+    # Step 2: Fetch stock info
+    stock_name, current_price = await get_stock_info(stock_code)
+    logger.info(f"Stock info: {stock_code} ({stock_name}), Current price: {current_price} KRW")
+
+    # Step 3: COMPREHENSIVE RISK VALIDATION (CLAUDE.md Section 5)
+    allowed, validation_details = await validate_and_log_order(
+        stock_code=stock_code,
+        stock_name=stock_name,
+        order_quantity=quantity,
+        entry_price=entry_price,
+        account_balance=account_balance,
+        market="KRX"  # Default to domestic market
+    )
+
+    # Step 4: Log validation result
+    logger.info(f"\nRisk Validation Result:\n{json.dumps(validation_details, indent=2, ensure_ascii=False)}\n")
+
+    # If validation failed, abort and log rejection
+    if not allowed:
+        logger.error(f"🚫🚫🚫 [{stock_code}] Trade REJECTED due to risk validation failure")
+        return
+
+    # Step 5: Place order (only if all checks pass)
+    logger.info(f"✅ Risk validation passed. Proceeding with order placement...")
+    print(f"▶️ 매수 주문 시도: {stock_code}, 수량: {quantity}, 가격: {entry_price}")
+
+    try:
         # 지정가 매수 주문
         result = await korea_investment_api.place_order(
-            stock_code=info['stock_code'],
+            stock_code=stock_code,
             order_type='BUY',
             quantity=quantity,
-            price=info['entry_price']
+            price=entry_price
         )
+        logger.info(f"Order result: {result}")
         print('주문 결과:', result)
-        
+
         # API 응답 구조에 따라 rt_cd가 '0'이면 성공으로 간주
         if result and result.get('rt_cd') == '0':
+            logger.info(f"✅✅✅ [{stock_code}] Order placed successfully")
             print("✅ 매수 주문 성공. 거래 정보를 저장합니다.")
+
             trade_details = {
-                'stock_code': info['stock_code'],
+                'stock_code': stock_code,
+                'stock_name': stock_name,
                 'quantity': quantity,
-                'entry_price': info['entry_price'],
+                'entry_price': entry_price,
                 'stop_loss': info['stop_loss'],
                 'take_profit': info['take_profit'],
                 'order_id': result.get('ODNO'),  # 주문번호
                 'order_time': result.get('ORD_TMD'), # 주문시각
-                'timestamp': datetime.now(timezone.utc).isoformat()
+                'timestamp': datetime.now(timezone.utc).isoformat(),
+                'validation_details': validation_details  # Store validation context
             }
             save_active_trade(trade_details)
         else:
             error_message = result.get('msg1', '알 수 없는 오류')
+            logger.error(f"❌ Order placement failed: {error_message}")
             print(f"❌ 매수 주문 실패: {error_message}")
-            
-    else:
-        print('Claude 응답에서 종목/가격을 찾을 수 없습니다.')
+
+    except Exception as e:
+        logger.error(f"❌ Exception during order placement: {e}", exc_info=True)
+        print(f"❌ 주문 중 오류 발생: {e}")
 
 if __name__ == "__main__":
     # 예시: Claude 응답 텍스트를 받아 자동매매 실행