Components Reference

This is the entry point for shared renderer component references — the code-block workbench and its Python execution path, the diagram preview family, and the data-ui semantic selector contract that spans all app-owned DOM.

Document	What it covers
Code Block Rendering	How CodeBlock classifies Markdown content and CodeBlockView renders the fenced-code workbench across streaming states
Code Execution	In-browser Python execution via Pyodide in a Web Worker: UI, service, and worker layers
Image Preview Components	Shared Mermaid / PlantUML / SVG / Graphviz preview components, toolbar, and the useDebouncedRender hook
UI Semantic Contract	The data-ui selector contract for themes, tests, and automation, and its build-time generation pipeline