Core — Model

src/core/model/types.ts — barrel: primitives.ts, inline.ts, block.ts, document.ts. Exports PortableDocument, BlockNode (includes columns), InlineNode, AssetRef, PageSettings, Selection, ports.

src/core/model/factories.ts — createDocument(opts), createParagraph, createHeading, createText, createVariable, createEquation, createImageBlock (optional align, widthUm, heightUm), createTable, createColumns with injected IdGenerator/Clock, defaults A4 210x297mm, locale es-AR.

See src/core/model/*.