多引擎文生图（OpenAI Images 与智谱 CogView 预设）：按会话配额、引擎故障切换、凭证安全配置，结果卡片支持重新生成。
curl -fsSL https://www.dshhub.co/install.sh -o dshhub-install.sh && bash dshhub-install.shAlready have DSH? Skip the wizard and install the market directly:dsh plugin --profile web add dshhub-market
This plugin installs only from the plugin side.