dsh-diy-safe: DIY Safety

The DeepSeek Harness (DSH) plugin `dsh-diy-safe` is designed for lifestyle and utility-related queries and belongs to the `admin-security` category. Maintained by `uckkk`, it is a pure Node.js implementation with no network dependencies. The plugin registers the `diy_safe` tool, which can provide home tool repair solutions based on input parameters. Users can install it by running the command `dsh plugin add github:uckkk/dsh-diy-safe` and then invoke it within a session to use it. The plugin runs with the current DSH process permissions, making it suitable for obtaining home maintenance advice. Please review the source code and license before installation.