dsh-work-injury-allowance: Work Injury Disability Allowance Calculator

`dsh-work-injury-allowance` is a local calculation plugin for DeepSeek Harness (DSH) used to accurately calculate work-injury disability allowances within a conversation. Built with pure Node.js and requiring no network access, it supports precise calculations and returns the results together with the applicable legal provisions. Users can install it through a command and invoke its tool functions directly in a chat session.