✨ feat(xmaker): set last price for pnl metrics

Author: dboyliao

pkg/strategy/xmaker/strategy.go

@@ -2739,6 +2739,10 @@ func (s *Strategy) CrossRun(
 		})
 		s.connectorManager.Add(s.marketTradeStream)
 	}
+	s.marketTradeStream.OnMarketTrade(types.TradeWith(s.Symbol, func(trade types.Trade) {
+		// set the last price to enable the unrealized PnL calculation
+		s.Position.SetLastPrice(trade.Price)
+	}))
 
 	if s.FastCancel != nil && s.FastCancel.Enabled {
 		if err := s.FastCancel.InitializeAndBind(sessions, s); err != nil {