dsh-catppuccin-theme: Integrating Catppuccin's Four Themes and Glassmorphism for DeepSeek Harness

NoNameLeGo's dsh-catppuccin-theme (@nonamelego/dsh-catppuccin) provides the Catppuccin Latte, Frappé, Macchiato, and Mocha themes for DeepSeek Harness Web GUI, DSH Desktop, and dsh-TUI. It integrates with the official appearance system and supports a toggleable glassmorphism effect. This article introduces the plugin's positioning, core capabilities, installation commands via npm and GitHub, and typical usage including theme switching in the settings page, adjusting the frosted glass effect, and using the /theme command in TUI. It also explains applicable scenarios and notes on verifying source code and permissions before installation.