feat: 改进配置加载逻辑并更新项目配置

当配置文件不存在时自动生成示例配置
添加pyproject.toml作为项目构建配置
更新.gitignore忽略更多文件类型
删除不再使用的反向WebSocket示例文件

.gitignore

@@ -115,7 +115,7 @@ env/
 venv/
 ENV/
 env.bak/
-venv.bak/
+venv.bak()
 
 # Spyder project settings
 .spyderproject
@@ -138,6 +138,9 @@ dmypy.json
 # pytype static type analyzer
 .pytype/
 
+# Cython
+*.c
+
 # End of https://www.toptal.com/developers/gitignore/api/python
 
 # Build artifacts
@@ -146,4 +149,27 @@ build/
 # Scratch files
 scratch_files/
 
+# Sensitive files (should never be committed)
+config.toml
+config.example.toml
+ca/*
+*.pem
+*.key
+
+# Data directory (may contain sensitive data)
 /core/data/*
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+logs/
+*.log