Add LaTeX math support to markdown rendering - #42
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Summary
Renders LaTeX math in the viz-app markdown pipeline via KaTeX.
$…$and\(…\). Code spans are skipped verbatim, so`$5 and $7`stays literal; unpaired delimiters and prose like "$5 to $10" stay literal too.\$is an escaped literal dollar.$$…$$and\[…\], either on one line or spanning several. Checked before fences/lists so a line starting with$$never falls through to paragraph text; an unterminated block still renders what it collected.throwOnError: false— one bad formula renders as KaTeX's error markup instead of taking down the document.The viewer is a single-file page, so KaTeX's stylesheet is inlined with its woff2 faces as data URIs; the woff/ttf fallbacks (same glyphs, ~4x the bytes) are dropped.
Test plan
viz-app/markdown.test.tsadds coverage for inline/display delimiters, code-span and currency false positives, escaped dollars, and unterminated blocks.🤖 Generated with Claude Code
https://claude.ai/code/session_01U3GB2wFs7izFyFGjPmYnMQ