fix: 重启后立即读库展示持仓，CTP异步重连不再阻塞

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

vnpy_bridge.py

@@ -6,7 +6,7 @@ import os
 import threading
 import time
 from collections import deque
-from typing import Any, Optional
+from typing import Any, Callable, Optional
 
 from locale_fix import ensure_process_locale
 
@@ -19,6 +19,23 @@ logger = logging.getLogger(__name__)
 
 GATEWAY_NAME = "CTP"
 
+_position_refresh_callback: Optional[Callable[[], None]] = None
+
+
+def set_position_refresh_callback(fn: Optional[Callable[[], None]]) -> None:
+    global _position_refresh_callback
+    _position_refresh_callback = fn
+
+
+def _fire_position_refresh_callback() -> None:
+    fn = _position_refresh_callback
+    if not fn:
+        return
+    try:
+        threading.Thread(target=fn, daemon=True, name="ctp-position-refresh").start()
+    except Exception as exc:
+        logger.debug("position refresh callback: %s", exc)
+
 _bridge: Optional["CtpBridge"] = None
 _bridge_lock = threading.Lock()
 
@@ -231,6 +248,7 @@ class CtpBridge:
                                 self.refresh_positions()
                             except Exception as exc:
                                 logger.debug("initial position query: %s", exc)
+                            _fire_position_refresh_callback()
                             return
                         time.sleep(0.5)
                 finally:
@@ -796,7 +814,7 @@ class CtpBridge:
         except Exception as exc:
             logger.debug("refresh_positions: %s", exc)
 
-    def list_positions(self, *, refresh_if_empty: bool = True, refresh_margin: bool = True) -> list[dict[str, Any]]:
+    def list_positions(self, *, refresh_if_empty: bool = True, refresh_margin: bool = False) -> list[dict[str, Any]]:
         if self._engine and self._connected_mode and refresh_margin:
             self.refresh_positions()
         out = self._collect_positions()
@@ -958,23 +976,23 @@ def ctp_start_connect(mode: str, *, force: bool = False) -> dict[str, Any]:
 
 
 def ctp_try_auto_reconnect(mode: str) -> bool:
-    """断线时静默重连；已连接且 ping 正常则直接返回 True。"""
+    """断线时静默异步重连；已连接且 ping 正常则直接返回 True。"""
     b = get_bridge()
     if not b.available():
         return False
     if b.connect_in_progress():
-        return False
+        return True
     st = _setting_for_mode(mode)
     if not st.get("用户名") or not st.get("密码") or not st.get("交易服务器"):
         return False
     if b.connected_mode == mode and b.ping():
         return True
-    try:
-        b.connect(mode, force=False)
-        return b.connected_mode == mode
-    except Exception as exc:
-        logger.info("CTP 自动重连失败: %s", exc)
-        return False
+    info = b.start_connect_async(mode, force=False)
+    return bool(
+        info.get("connected")
+        or info.get("connecting")
+        or info.get("started")
+    )
 
 
 def ctp_status(mode: str) -> dict[str, Any]: