MarkdownContent
Renders GitHub-flavoured Markdown with Material 3 styling.
fenced code gets syntax highlighting and a copy action (CodeBlock);
``` ```mermaid ```fences render as diagrams (MermaidDiagram) once the fence is closed, so half-streamed diagrams never flash parse errors;LaTeX:
$$…$$/\[…\]render with KaTeX (MathBlock), inline$…$becomes Unicode math (see LatexPreprocessor).[n]references become InlineCitation-style links into citations (the message's sources), opening a sheet with the cited sources.
Streaming (streaming = true): the text is split into top-level blocks (MarkdownStreaming.split); finished blocks keep identical strings, so their composables are skipped and only the block being written re-parses — cost stays linear in the answer's length. The tail block has unfinished markup closed (MarkdownStreaming.repairTail) so raw ** never flashes.