chore: move trading_config.json to public/

main.py

@@ -414,7 +414,7 @@ class TradingConfig:
     - _load_config(): 加载JSON配置文件
     """
 
-    def __init__(self, config_file: str = "trading_config.json"):
+    def __init__(self, config_file: str = "public/trading_config.json"):
         """
         初始化交易配置