[2026-05-18] 포지션 DB 동기화 + pnl 계산 수정

- order_executor: _update_trade_exit에 pnl 계산 저장 추가
- main: 매수 시 positions DB INSERT, 매도 시 DELETE
- main: 재시작 시 DB에서 positions 복원 (_restore_positions_from_db)

app/execution/order_executor.py

@@ -88,15 +88,21 @@ class OrderExecutor:
     def _update_trade_exit(self, ticker, exit_price,
                             qty, reason, fee):
         with get_conn() as conn:
-            conn.execute("""
+            row = conn.execute("""
-                UPDATE trades
+                SELECT id, entry_price, quantity FROM trades
-                SET exit_time=?, exit_price=?, exit_reason=?, fee=fee+?
-                WHERE id = (
-                    SELECT id FROM trades
                 WHERE ticker=? AND exit_time IS NULL
                 ORDER BY id DESC LIMIT 1
-                )
+            """, (ticker,)).fetchone()
+            if not row:
+                return
+            trade_id, entry_price, trade_qty = row
+            actual_qty = qty if qty else trade_qty
+            pnl = (exit_price - entry_price) * actual_qty - fee
+            conn.execute("""
+                UPDATE trades
+                SET exit_time=?, exit_price=?, exit_reason=?, fee=fee+?, pnl=?
+                WHERE id=?
             """, (
                 datetime.now().strftime("%H:%M:%S"),
-                exit_price, reason, fee, ticker,
+                exit_price, reason, fee, pnl, trade_id,
             ))

app/main.py

@@ -103,9 +103,53 @@ class StockBot:
         cash    = balance["cash"]
         self.risk = RiskManager(init_cash=cash)
         logger.info(f"초기 예수금: {cash:,}원")
+
+        # DB에서 열린 포지션 복원 (재시작 시)
+        self._restore_positions_from_db()
         await send(f"[시작] 단타봇 가동 | 예수금: {cash:,}원 | "
                    f"{'모의투자' if self.kis.is_mock else '실거래'}")
 
+    def _restore_positions_from_db(self):
+        """재시작 시 DB positions 테이블에서 인메모리 복원"""
+        with get_conn() as conn:
+            rows = conn.execute("SELECT * FROM positions").fetchall()
+        for r in rows:
+            ticker, name, entry_time, entry_price, qty, tp1_done, target_price, stop_price, ai_boosted = r
+            self.positions[ticker] = {
+                "name"      : name,
+                "entry"     : entry_price,
+                "qty"       : qty,
+                "tp1_done"  : bool(tp1_done),
+                "entry_time": datetime.strptime(entry_time, "%H:%M:%S").replace(
+                                  year=datetime.now().year,
+                                  month=datetime.now().month,
+                                  day=datetime.now().day),
+                "sl_price"  : stop_price,
+                "boosted"   : bool(ai_boosted),
+            }
+        if self.positions:
+            logger.info(f"DB 포지션 복원: {list(self.positions.keys())}")
+
+    def _db_save_position(self, ticker: str, pos: dict, target_price: float):
+        with get_conn() as conn:
+            conn.execute("""
+                INSERT OR REPLACE INTO positions
+                (ticker, name, entry_time, entry_price, quantity,
+                 tp1_done, target_price, stop_price, ai_boosted)
+                VALUES (?,?,?,?,?,?,?,?,?)
+            """, (
+                ticker, pos["name"],
+                pos["entry_time"].strftime("%H:%M:%S"),
+                pos["entry"], pos["qty"],
+                1 if pos.get("tp1_done") else 0,
+                target_price, pos["sl_price"],
+                1 if pos.get("boosted") else 0,
+            ))
+
+    def _db_delete_position(self, ticker: str):
+        with get_conn() as conn:
+            conn.execute("DELETE FROM positions WHERE ticker=?", (ticker,))
+
     # ─────────────────────────────────────────
     # 유니버스 갱신 (08:30)
     # ─────────────────────────────────────────
@@ -289,7 +333,7 @@ class StockBot:
                     entry_price = result["price"] or current
                     sl_price    = entry_price * (1 - self.risk.get_sl_pct())
 
-                    self.positions[ticker] = {
+                    pos = {
                         "name"      : name,
                         "entry"     : entry_price,
                         "qty"       : qty,
@@ -298,6 +342,11 @@ class StockBot:
                         "sl_price"  : sl_price,
                         "boosted"   : signal.get("boosted", False),
                     }
+                    self.positions[ticker] = pos
+                    self._db_save_position(
+                        ticker, pos,
+                        target_price=self.strategy.get_target(ticker),
+                    )
 
                     await notify_buy(
                         ticker=ticker, name=name,
@@ -370,10 +419,14 @@ class StockBot:
             pos["qty"]      -= qty
             if pos["qty"] <= 0:
                 del self.positions[ticker]
+                self._db_delete_position(ticker)
+            else:
+                self._db_save_position(ticker, pos, self.strategy.get_target(ticker))
             await notify_tp1(ticker, name, pnl_pct)
 
         elif reason in ("TP2", "SL", "TIME", "FORCE"):
             del self.positions[ticker]
+            self._db_delete_position(ticker)
             if reason == "TP2":
                 await notify_tp2(ticker, name, pnl_pct)
             elif reason == "SL":