[lexical-website] Feature: Server-rendered "Copy page" Markdown button#8570
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Adds an in-repo "Copy page" button to documentation pages (Copy / View as Markdown / Open in ChatGPT, Claude, Perplexity, Gemini). The button is rendered server-side in a persistent right-hand column on every doc page so it never flashes in after hydration and stays in a consistent location even on pages without a table of contents. A build-time plugin emits a clean Markdown copy of each doc page under /llms/<path>.md so the actions use real Markdown instead of scraping the DOM on the client. A webpack alias dedupes @docusaurus/plugin-content-docs so the swizzled DocItem/Layout shares the DocProvider context with theme-classic.
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Left-align the button to match the previous client-side placement, and make the "Open in ChatGPT/Claude/Perplexity/Gemini" actions plain anchors instead of window.open() calls, which were being silently swallowed by popup blockers. The absolute Markdown URL handed to AI tools now defaults to the configured Docusaurus site URL (stable for SSR/hydration) and reconciles to the live window origin on the client via useSyncExternalStore, so links are correct on production, preview, and local builds.
…ndency Replaces the webpack resolve.alias workaround with the idiomatic fix: declare @docusaurus/plugin-content-docs as a direct dependency of the site. Because the website swizzles theme-classic components that import its client entry, pnpm otherwise resolved a separate peer-variant copy for src/ than the one theme-classic's DocProvider uses, giving two React contexts and a ReactContextError from useDoc() during SSG. With the direct dependency both resolve the same copy, so the alias is no longer needed.
…page menu Gates the "Open in ChatGPT/Claude/Perplexity/Gemini" links behind a disabled ENABLE_AI_TOOL_LINKS flag, leaving the menu with just "Copy as Markdown" and "View as Markdown". The assistants tend to hallucinate having read the linked Markdown rather than actually fetching it; the link handlers are kept so they can be re-enabled by flipping the flag.
Index routes whose permalink ends in a slash (e.g. /docs/api/) produced a broken Markdown link like /llms/docs/api/.md because the button kept the trailing slash while the build-time plugin stripped it. Both sides now share a single relativeMarkdownPath helper, so the generated file path and the linked URL can no longer drift. Verified every doc route resolves to an existing Markdown file.
etrepum
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acywatson,
fantactuka,
ivailop7,
potatowagon and
zurfyx
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zurfyx
approved these changes
May 27, 2026
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Description
Adds an in-repo "Copy page" button to documentation pages (Copy / View as Markdown). The button is rendered server-side in a persistent right-hand column on every doc page so it never flashes in after hydration and stays in a consistent location even on pages without a table of contents.
A build-time plugin emits a clean Markdown copy of each doc page under /llms/.md so the actions use real Markdown instead of scraping the DOM on the client. A webpack alias dedupes @docusaurus/plugin-content-docs so the swizzled DocItem/Layout shares the DocProvider context with theme-classic.
The Open in ChatGPT, Claude, Perplexity, Gemini options have been hidden and disabled for now as it seems that the vercel config and/or these providers are ignoring the actual URLs and just hallucinating.
Closes #8568
Test plan
QA of built doc site