dsh-dog-age: Dog Age Conversion Plugin

`dsh-dog-age` is a lightweight tool plugin in the DeepSeek Harness (DSH) ecosystem maintained by uckkk, designed to provide precise dog-age conversion. The plugin includes a single core capability and supports calculations by accepting parameters. Developers can simply run `dsh plugin add github:uckkk/dsh-dog-age` in a terminal to install and enable it, with no additional configuration required. It is licensed under MIT, implemented purely in Node, has no network dependencies, and offers relatively high runtime stability. Before using it in production, developers are advised to review the source code to ensure security. The plugin allows developers to quickly add a fun calculation capability to agents.