support.supper.content

Portable Supper rich content embedded in site.standard.document.content; this is not a repository record. Metadata, author, title, dates and plaintext fallback belong to the enclosing Standard Site document. At most 5000 total blocks/list items, 32 nesting levels and 800000 UTF-8 bytes in the JSON body. Unknown blocks must fall back to the enclosing textContent, never silently imply a complete rendering. Contains no editor state, local asset IDs, storage keys, private URLs or access grants.