GenUI for DeepSeek Harness: interactive UI components rendered inline in assistant replies via the dsh-ui fence — layout, charts, plots, forms, quizzes, mermaid, 3D scenes, and an action event loop back to the model. Ships the fence-teaching host plugin, the browser renderer (client half), and the genui skill.
Deliberately inject a small, known bug into a disposable git worktree so learners can practice finding and fixing it. A teaching tool - read the README for its educational philosophy and safety guarantees.