Built-in node renderers for Tiptapex.Renderer.
Covers every node type the Tiptapex editor produces. Output shape (tags, classes, data attributes) deliberately mirrors what the Tiptap JS extensions render client-side, so server HTML and hydrated HTML look identical under the shipped stylesheet.
Summary
Functions
Renders one node. children is the already-rendered iodata of its
content. Returns {:ok, iodata} or :unknown for unhandled types.