DeepSeek Harness Plugin: dsh-insights-kit Ecosystem Assistant

`dsh-insights-kit` is an ecosystem observability plugin for DeepSeek Harness (DSH). It integrates health checks, scenario-based recommendations, and dynamic monitoring into the web interface, eliminating the need to manually verify plugin compatibility and version drift. Core features include reading the manifest to calculate a health score and check compatibility, verifying plugin details via a GitHub URL, recommending plugins by scenario, and supporting one-click install/uninstall through the CLI or web interface. It requires DSH version ≥ 0.1.1-rc.2, supports both Chinese and English, and aims to improve the efficiency and security of plugin management.