fix: CTP 连接后 locale 崩溃，PM2 设置 LANG=C.UTF-8

vnpy_ctp C++ 扩展在缺 locale 时会 terminate；补充 SimNow 备用前置说明。

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

vnpy_bridge.py

@@ -7,6 +7,10 @@ import threading
 import time
 from typing import Any, Optional
 
+# vnpy_ctp C++ 在部分 Linux 上缺 locale 会抛 std::runtime_error
+os.environ.setdefault("LANG", "C.UTF-8")
+os.environ.setdefault("LC_ALL", "C.UTF-8")
+
 from ctp_symbol import ths_to_vnpy_symbol, to_vnpy_exchange
 
 logger = logging.getLogger(__name__)