dsh-kpi-reach: KPI Gap Decomposition Tool

dsh-kpi-reach is a DeepSeek Harness workflow plugin maintained by uckkk, designed to provide local KPI gap breakdown capabilities without additional scripts or external services. The plugin is implemented purely in Node.js, has no network dependencies, supports precise calculations, and returns detailed results. The installation command is `dsh plugin add github:uckkk/dsh-kpi-reach`. It meets the dependency requirements of `@deepseek-ai/cordis` and `@deepseek-ai/dsh-tools`, making it suitable for offline environments.