POC of "fake" PPR for data - #4450
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…refactor headers handling, and add new layout and page components
…mponents, and update utility functions for visitor tokens
…t handling, and streamline API token management
…ters, and enhance route handling
…: enhance caching logic and add API token handling
…ing and improve context management
…d cachedGenerateSitePageMetadata functions
… entries are partitioned from static ones
…ts to ensure independent revalidation and improve data fetching efficiency
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
…RouteParams by removing unnecessary cache path variation
…ation for decoded PPR defaults
…stency in getPPRHeaderRouteParams
… requirement and update related handling in middleware, tests, and proxy scripts.
`mock.module` replaces a module for the whole bun test process, so mocking `@/lib/context` and `jwt-decode` wholesale in the PPR route params test broke every later test file that imported them. Spread the real context module and sign a real JWT instead. Also restore the `x-gitbook-route-site` debug header, commented out by mistake.
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…ng revalidation tokens for scoped content API tokens, enhancing caching and claims management across components.
`SitePPRLayout` resolved a full site context, which fetches the published site (site-scoped token) and the space with its revision. Only the site part is needed to render the shell, and the shell is re-rendered on every request. Split `GitBookSiteContext` into a `GitBookSiteScopeContext` holding everything derived from the published site, and the space context it is merged with. The PPR layout now resolves only the site scope, under the header scope so it shares its site fetch, and delegates the announcement, header, table of contents, footer, admin toolbar and the page/tag icons to cached components that resolve the revision under their own scope. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
…e definitions for site context
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This is really an ISR route, but it is a POC of how we could use this to basically achieve 100% hit rate as long as we prerender some small portions of a website.
This will not be considered a cache hit at the CF/vercel level, but virtually every possible combinations will be covered by the component cache.
If we decide to go this route, we'll need to figure out a better way to pass token data around