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Keep pasted component names visible in chat history by treating unknown raw HTML as literal text before rehype parses and sanitizes markdown content. Supported sanitized HTML, such as details/summary blocks, still renders normally.
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Summary
Preserves JSX-like component names in chat markdown so pasted errors like
<SignOutButton/>remain visible in message history instead of being parsed as unknown HTML and stripped by sanitization.Background
Markdown rendering intentionally supports sanitized raw HTML for cases like collapsible
<details>blocks. That same raw HTML path caused copied React/JSX component names in error text to be parsed as HTML elements and removed byrehype-sanitize.Implementation
Adds a pre-
rehypeRawplugin that converts raw HTML containing tags outside the sanitize allowlist into text. Allowed sanitized HTML still flows throughrehypeRaw,rehype-sanitize, andrehype-hardenunchanged.Validation
bun test src/browser/features/Messages/MarkdownRenderer.raw-html.test.tsxbun test src/browser/features/Messages/InlineSkillMarkdown.test.tsx src/browser/features/Messages/TypewriterMarkdown.test.tsx src/browser/features/Messages/MarkdownComponents.test.tsxbun x eslint --max-warnings 0 src/browser/features/Messages/MarkdownCore.tsx src/browser/features/Messages/MarkdownRenderer.raw-html.test.tsxbun x prettier --check src/browser/features/Messages/MarkdownCore.tsx src/browser/features/Messages/MarkdownRenderer.raw-html.test.tsxnix shell nixpkgs#shfmt nixpkgs#hadolint -c make static-checkRisks
Low. The change is limited to raw HTML markdown nodes before sanitization. Unknown tags become escaped text, while supported sanitized HTML remains available.
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mux• Model:openai:gpt-5.5• Thinking:xhigh• Cost:2394133{MUX_COSTS_USD:-0.00}