Copilot 引导层插件：WebUI 设置卡片一键 GitHub 授权 + 自动激活模型路由并收窄模型列表（复用 dsh-llm-pi-ai 内置 device-flow） | Copilot onboarding plugin: one-click GitHub auth from the WebUI settings card, auto-activating the model route and narrowing the model list (reuses dsh-llm-pi-ai's builtin device flow)
dsh plugin --profile web add @huanlin/dsh-plugin-copilot