dsh-neuter: Neutering Timing

DeepSeek Harness (DSH) extends its functionality through a plugin mechanism, and `dsh-neuter` is a tool for handling the "neutering timing" logic. Maintained by `uckkk`, this plugin provides a `neuter` tool, implemented purely in Node.js with no network dependencies, and returns recommendations based on input parameters. To use it, first install it by running `dsh plugin add github:uckkk/dsh-neuter`, and then invoke the `neuter` tool within the session. The plugin runs with the permissions of the current DSH process, so it is recommended to review the source code and MIT license before use.