feat中控条件单可指令实例账户内划转，Bridge 暴露划转接口。

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

lib/options/options_hub_lib.py

@@ -158,6 +158,8 @@ def build_options_hub_snapshot(cfg: dict[str, Any]) -> dict[str, Any]:
             "open_bridges": open_bridges,
             "cond_order_locked": False,
             "cond_orders_active": [],
+            "transfer_blocked": False,
+            "transfer_block_msg": "",
         }
         try:
             from lib.options.options_cond_order_lib import has_active_cond_order, list_cond_orders
@@ -173,6 +175,19 @@ def build_options_hub_snapshot(cfg: dict[str, Any]) -> dict[str, Any]:
                 conn_c.close()
         except Exception:
             pass
+        try:
+            from lib.options.options_account_pnl_lib import transfer_blocked_by_position_msg
+
+            conn_tb = cfg["get_db"]()
+            try:
+                tmsg = transfer_blocked_by_position_msg(conn_tb, ex)
+                if tmsg:
+                    out["transfer_blocked"] = True
+                    out["transfer_block_msg"] = tmsg
+            finally:
+                conn_tb.close()
+        except Exception:
+            pass
         return out
     except Exception as e:
         return {"ok": False, "enabled": True, "msg": str(e)}