dsh-hair-pick: Return Hairstyle Styling Plans Based on Parameters

`dsh-hair-pick` is a fun dress-up plugin for DeepSeek Harness (DSH), maintained by uckkk. It provides hair style selection using pure Node.js and has no network dependencies. The installation command is `dsh plugin add github:uckkk/dsh-hair-pick`, allowing use in network-restricted environments. Developers need no configuration and can directly call the registered `hair_pick` tool to query the corresponding hairstyle styling plan.