fix: 持仓接口实时拉取并回写本地监控，修复有仓不显示

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

vnpy_bridge.py

@@ -105,6 +105,7 @@ class CtpBridge:
         self._commission_lists: dict[int, list] = {}
         self._commission_hooked = False
         self._subscribed: set[str] = set()
+        self._last_position_query_ts: float = 0.0
         self._tick_hooked = False
         self._bar_generators: dict[str, Any] = {}
         self._bars_1m: dict[str, deque] = {}
@@ -698,7 +699,7 @@ class CtpBridge:
             "accountid": getattr(acc, "accountid", ""),
         }
 
-    def list_positions(self) -> list[dict[str, Any]]:
+    def _collect_positions(self) -> list[dict[str, Any]]:
         if not self._engine:
             return []
         out: list[dict[str, Any]] = []
@@ -706,12 +707,7 @@ class CtpBridge:
             vol = int(getattr(pos, "volume", 0) or 0)
             if vol <= 0:
                 continue
-            direction = getattr(pos, "direction", None)
-            d = "long"
-            if direction is not None and str(direction).endswith("SHORT"):
-                d = "short"
-            elif direction is not None and "空" in str(direction):
-                d = "short"
+            d = "long" if _is_long_direction(getattr(pos, "direction", None)) else "short"
             sym = getattr(pos, "symbol", "") or ""
             exchange = getattr(pos, "exchange", None)
             ex_name = str(exchange.value if hasattr(exchange, "value") else exchange or "")
@@ -726,6 +722,30 @@ class CtpBridge:
             })
         return out
 
+    def refresh_positions(self) -> None:
+        """向柜台查询持仓（内存为空时补拉）。"""
+        if not self._engine:
+            return
+        now = time.time()
+        if now - self._last_position_query_ts < 1.0:
+            return
+        self._last_position_query_ts = now
+        try:
+            gw = self._engine.get_gateway(GATEWAY_NAME)
+            td = getattr(gw, "td_api", None)
+            if td and hasattr(td, "query_position"):
+                td.query_position()
+                time.sleep(0.4)
+        except Exception as exc:
+            logger.debug("refresh_positions: %s", exc)
+
+    def list_positions(self, *, refresh_if_empty: bool = True) -> list[dict[str, Any]]:
+        out = self._collect_positions()
+        if not out and refresh_if_empty:
+            self.refresh_positions()
+            out = self._collect_positions()
+        return out
+
     def list_active_orders(self) -> list[dict[str, Any]]:
         if not self._engine:
             return []
@@ -907,10 +927,10 @@ def ctp_get_account(mode: str) -> dict[str, Any]:
     return b.get_account()
 
 
-def ctp_list_positions(mode: str) -> list[dict[str, Any]]:
+def ctp_list_positions(mode: str, *, refresh_if_empty: bool = True) -> list[dict[str, Any]]:
     b = get_bridge()
     b.ensure_connected(mode)
-    return b.list_positions()
+    return b.list_positions(refresh_if_empty=refresh_if_empty)
 
 
 def ctp_list_active_orders(mode: str) -> list[dict[str, Any]]: