fix: 止盈止损委托校验现价并在平仓后撤余单

Co-authored-by: Cursor <cursoragent@cursor.com>

vnpy_bridge.py

@@ -831,6 +831,21 @@ class CtpBridge:
             raise RuntimeError("CTP 拒单或未返回委托号（请检查合约代码、价格是否为最小变动价位整数倍）")
         return str(vt_orderid)
 
+    def cancel_order(self, vt_orderid: str) -> bool:
+        if not self._engine or not vt_orderid:
+            return False
+        try:
+            order = self._engine.get_order(vt_orderid)
+            if order is None:
+                return False
+            req = order.create_cancel_request()
+            self._engine.cancel_order(req, GATEWAY_NAME)
+            logger.info("CTP 撤单 %s", vt_orderid)
+            return True
+        except Exception as exc:
+            logger.warning("CTP 撤单失败 %s: %s", vt_orderid, exc)
+            return False
+
 
 def get_bridge() -> CtpBridge:
     global _bridge
@@ -904,6 +919,12 @@ def ctp_list_active_orders(mode: str) -> list[dict[str, Any]]:
     return b.list_active_orders()
 
 
+def ctp_cancel_order(mode: str, vt_orderid: str) -> bool:
+    b = get_bridge()
+    b.ensure_connected(mode)
+    return b.cancel_order(vt_orderid)
+
+
 def ctp_get_tick_price(mode: str, ths_code: str) -> Optional[float]:
     """CTP 柜台最新价（需已连接并订阅）。"""
     b = get_bridge()