dsh-veneer: DeepSeek Harness Visual Theming Plugin

dsh-veneer is a plugin that provides visual theming capabilities for DeepSeek Harness (DSH). It allows users to adjust backgrounds, fonts, colors, and styles through a sidebar editing panel without modifying code, and supports uploading images and fine-tuning CSS variables. The plugin includes eight preset themes and an AI-powered theme generation feature, and supports exporting and importing configurations. Once installed, restart the service to start using it. Data is persisted in Harness Settings, so uninstalling the plugin will not result in lost settings. This tool is designed to help users personalize the workbench interface while maintaining development efficiency.