DeepSeek Harness Web 客户端插件：把会话里的工具卡片与 Think 推理块折叠成一行，折叠态实时显示当前正在进行的工作（工具名 + 正在执行的命令/参数、或思考内容），运行中带流光动画；点击展开/收起。让界面只保留模型说的话。

Provider quota/balance widget for the dsh web surface: collapsed glanceable capsule expanding into a Harness-native card with a settings panel (provider visibility / refresh interval / warn thresholds), fed by a loopback Connection RPC channel whose host