feat: 重构API服务器，添加配置重载功能并移除冗余代码

src/api/reload_config.py

@@ -0,0 +1,18 @@
+from fastapi import HTTPException
+from rich.traceback import install
+from src.config.config import BotConfig
+import os
+install(extra_lines=3)
+
+
+
+async def reload_config():
+    try:
+        from src.config import config as config_module
+        bot_config_path = os.path.join(BotConfig.get_config_dir(), "bot_config.toml")
+        config_module.global_config = BotConfig.load_config(config_path=bot_config_path)
+        return {"status": "reloaded"}
+    except FileNotFoundError as e:
+        raise HTTPException(status_code=404, detail=str(e)) from e
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"重载配置时发生错误: {str(e)}") from e