dsh-opencodeproxy: DSH Plugin: Manage the Local opencode-free-proxy Service in the Settings Page

dsh-opencodeproxy is a DSH plugin developed by infexpense for managing a local opencode-free-proxy service. The plugin controls service start/stop via the settings page, supports starting with DSH, and enables automatic or manual refreshing of the model list. It provides core features such as connectivity testing and taking over existing processes, along with configuration file management. During installation, pay attention to the dependency link for `@deepseek-ai/schemastery`, and restart the service after making code changes.