Show realized trade PnL in Android app

crypto_spot_bot/storage.py

@@ -242,6 +242,34 @@ class Storage:
             ).fetchall()
         return [dict(row) for row in rows]
 
+    def closed_trade_summary(self) -> dict[str, Any]:
+        with self.connect() as conn:
+            row = conn.execute(
+                """
+                SELECT
+                    COUNT(*) AS trades,
+                    COALESCE(SUM(net_pnl), 0) AS net_pnl,
+                    COALESCE(SUM(gross_pnl), 0) AS gross_pnl,
+                    COALESCE(SUM(fee_usdt), 0) AS fee_usdt,
+                    COALESCE(SUM(CASE WHEN net_pnl > 0 THEN 1 ELSE 0 END), 0) AS wins,
+                    COALESCE(SUM(CASE WHEN net_pnl < 0 THEN 1 ELSE 0 END), 0) AS losses
+                FROM trades
+                WHERE side='SELL' AND closed_at IS NOT NULL
+                """
+            ).fetchone()
+        trades = int(row["trades"] if row else 0)
+        wins = int(row["wins"] if row else 0)
+        losses = int(row["losses"] if row else 0)
+        return {
+            "trades": trades,
+            "net_pnl": round(float(row["net_pnl"] if row else 0.0), 6),
+            "gross_pnl": round(float(row["gross_pnl"] if row else 0.0), 6),
+            "fee_usdt": round(float(row["fee_usdt"] if row else 0.0), 6),
+            "wins": wins,
+            "losses": losses,
+            "win_rate": round(wins / trades, 4) if trades else 0.0,
+        }
+
     def insert_signal(self, signal: Signal) -> None:
         with self.connect() as conn:
             conn.execute(