DSH plugin dsh-permutation: Permutation Calculation in Pure Node.js

dsh-permutation is a DeepSeek Harness plugin for calculating permutations, maintained by uckkk. It is implemented in pure Node.js, does not rely on network requests, and aims to streamline computation in local environments. It requires the runtime environment to meet specific version dependencies and runs with the current process permissions. Users can install the plugin via the official command, making it suitable for scenarios that require quick, offline permutation calculations.