dsh-bp-check: Blood Pressure Assessment Tool

`dsh-bp-check` is a plugin for DeepSeek Harness (DSH) that focuses on providing home health self-check logic, particularly parameter-based blood pressure assessment. It is fully implemented in Node.js and does not require an internet connection to run. After installation, developers can directly call its registered `bp_check` tool in conversations or scripts. Suitable use cases include quickly integrating health data validation logic or serving as an auxiliary module for home-health agents. When using this plugin, note the runtime environment and dependency versions, and it is recommended to review the source code.