* feat(proxy): integrate os-proxy-config for system proxy management
- Added os-proxy-config dependency to manage system proxy settings.
- Refactored setSystemProxy method to utilize getSystemProxy for improved proxy handling.
* fix lint error
- Add ProxyManager service to handle system, custom, and no proxy configurations
- Integrate proxy support for Gemini, Knowledge, and WebDav services
- Add fetch-socks and undici for advanced proxy handling
- Enhance proxy configuration with environment variable and session management