fix(trend): reconcile state from actual fills

py-client/strategy/trend/open.py

@@ -77,7 +77,7 @@ def open_signal(run:Runtime, ticks, open_signals) -> None:
 
 def do_open(run: Runtime, code: str, volume: int, signal_key: str, price: float) -> None:
     """生成本地订单号并按最新价提交开仓委托。"""
-    order_id = run.orders.new_order_id("base")
+    order_id = run.orders.new_order_id()
     request = PlaceOrderRequest(
         run.client,
         OP_BUY,
@@ -92,8 +92,6 @@ def do_open(run: Runtime, code: str, volume: int, signal_key: str, price: float)
     run.state.set(StateItem(
         code=code,
         base_order_id=order_id,
-        base_qty=volume,
-        base_cost=round(price, 2),
         base_status=STATUS_ING,
     ))
     run.state.save()