- Added support for importing Clash/V2ray subscriptions, including automatic format detection and integration with sing-box for protocol conversion.
- Introduced five proxy usage modes in the configuration, allowing flexible selection between mixed, custom-only, and free-only modes.
- Enhanced `.env.example` and `docker-compose.yml` to include new environment variables for custom proxy settings.
- Updated `CHANGELOG.md` to document new features and improvements related to subscription management.
- Improved WebUI for managing subscriptions and displaying proxy statistics.
- Implemented a background process for refreshing subscriptions and probing disabled proxies for reactivation.
- Introduced SOCKS5 proxy functionality with separate ports for random rotation and lowest latency.
- Updated `.env.example` and `docker-compose.yml` to include SOCKS5 port configurations.
- Enhanced `main.go` to initialize and start SOCKS5 servers alongside existing HTTP proxies.
- Revised README to document new SOCKS5 features, including usage examples and testing scripts.
- Improved proxy selection logic in the storage layer to support SOCKS5 protocol.
