Preview and Edit Design Drafts in DeepSeek Harness Chat with dsh-openpencil

### 翻译结果： dsh-openpencil is a DeepSeek Harness interface enhancement plugin maintained by ZSeven-W, which connects OpenPencil's .op canvas to conversations: it supports multi-frame precise preview, read-only interactive canvas, hosted editor, and five transactional design tools including openpencil_new. The community directory installation command is `dsh plugin add github:ZSeven-W/dsh-openpencil`. The current plugin version is 0.1.0-rc.1, and it has been tested on DSH 0.1.0-rc.6. The plugin runs with the permissions of the current dsh process. Before installation, please check the source code and the MIT license.