DeepSeek Harness Domestic Plugin Center

`dsh-cn-plugin-center` is a China-friendly DeepSeek Harness plugin center maintained by SuiBbinggan. It directly integrates the community plugin directory, installation status, and mirror settings into the interface, supporting featured displays, community discovery, search, and paginated browsing. The plugin provides npm mirror source switching and enforces strict security boundaries, allowing only verified packages to be installed and prohibiting the execution of arbitrary commands. Users can install, manage, or uninstall the plugin via the command line.