DSH chat performance: enable browser-native content-visibility:auto on the conversation list so off-screen message nodes skip rendering/layout/paint. DSH 聊天列表性能优化：启用浏览器原生 content-visibility:auto，跳过屏外消息节点渲染。
DeepSeek Harness 聊天列表性能优化：为消息节点启用 content-visibility:auto，跳过屏外节点渲染/布局/绘制；DSH plugin: content-visibility:auto windowing for the chat list, smoother scrolling in long conversations.
Repository check result
Results are bound to the listed commit and cover only static checks run by this registry. The Evidence Score measures reviewable information; it is not a compatibility percentage or a security guarantee.