fix: 强制设置有效 locale 修复 vnpy_ctp CTP 登录崩溃

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

scripts/test_simnow.py

@@ -6,12 +6,13 @@ import os
 import socket
 import sys
 
-os.environ.setdefault("LANG", "C.UTF-8")
-os.environ.setdefault("LC_ALL", "C.UTF-8")
-
 BASE = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, BASE)
 
+from locale_fix import ensure_process_locale
+
+ensure_process_locale()
+
 from dotenv import load_dotenv
 
 load_dotenv(os.path.join(BASE, ".env"))
@@ -38,6 +39,7 @@ def main() -> int:
     env = os.getenv("SIMNOW_ENV", "实盘")
 
     print("=== SimNow 配置 ===")
+    print(f"locale          = {ensure_process_locale()}")
     print(f"SIMNOW_USER     = {user or '(未设置)'}")
     print(f"SIMNOW_PASSWORD = {'*' * 8 if os.getenv('SIMNOW_PASSWORD') else '(未设置)'}")
     print(f"SIMNOW_TD       = {td}")