dsh-chat-ux: Optimizing the Chat Area Interaction Experience in DeepSeek Harness

`dsh-chat-ux` is an interaction optimization plugin for the DeepSeek Harness (dsh) Web GUI. It aims to reduce visual clutter from long texts and tool calls, improving fluidity through a series of UI optimizations. Core features include automatic expanding and collapsing for thinking and tool calls, real-time display of changed lines in files, enhanced animations (such as fly-in bubbles for the input box), capsule visualization of cache hit rates, a context pie chart, frosted glass effects, and layout adjustments for the trajectory view. The plugin supports multiple installation methods and offers rich configuration options to control various animations and display modes.