dsh-diff-review-likecodex: Codex-style Diff Review Plugin for DeepSeek Harness Web

`dsh-diff-review-likecodex` is a code review plugin for DeepSeek Harness Web. It provides an interactive sidebar Diff panel that lets developers review code changes generated by agents without leaving the interface. The plugin supports Standard, PTC, and Creator modes, and features change isolation, context preservation, comment feedback, and automatic line wrapping for long text. Developers can install the plugin via a command for a smooth review experience similar to Codex.