dsh-live-bitrate: Live Bitrate Calculator

The DeepSeek Harness (DSH) plugin `dsh-live-bitrate` is designed specifically to address live streaming bitrate calculation needs. It is implemented in pure Node.js, does not rely on network requests, and can accurately calculate and return detailed results locally. It can be used without additional configuration after installation, making it suitable for scenarios with special network environment requirements. Developers should pay attention to environment dependency requirements and ensure the source code meets security and compliance standards.