feat(app-router): send X-Vinext-Router-Skip on navigation requests [4/6]#841
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NathanDrake2406 wants to merge 4 commits intocloudflare:mainfrom
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feat(app-router): send X-Vinext-Router-Skip on navigation requests [4/6]#841NathanDrake2406 wants to merge 4 commits intocloudflare:mainfrom
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…d reads Introduce app-page-skip-filter.ts with the canonical-bytes guarantee: the render path always produces the full RSC payload and writes it to the cache; the egress branch applies a byte-level filter that omits layouts the client asked to skip, but only if the server independently classified them as static (computeSkipDecision). Wire the filter into renderAppPageLifecycle and buildAppPageCachedResponse so both fresh renders and cache hits honor the skip header. Parse the incoming X-Vinext-Router-Skip header at the handler scope and thread the resulting set through render and ISR. Gate the filter behind supportsFilteredRscStream: false in the generated entry so this PR is dormant at runtime until the canonical-stream story is validated. Tests exercise the filter directly by injecting the skip set into renderAppPageLifecycle options.
Introduce buildSkipHeaderValue and createRscNavigationRequestHeaders in app-elements. The client-side browser entry now uses the centralized request-header builder for navigation fetches and forwards the current layout flags so subsequent navigations can signal which static layouts the server may omit from the response body.
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Summary
PR 4 of 6 — restack of #768. Stacked on #840.
Introduces `buildSkipHeaderValue` and `createRscNavigationRequestHeaders` in `app-elements.ts`. The client-side browser entry now uses the centralized request-header builder for navigation fetches and forwards the current layout flags so subsequent navigations can signal which static layouts the server may omit from the response body.
PR 3's server-side filter remains gated by `supportsFilteredRscStream: false`, so this PR only wires the transport; no behavior change until a later PR flips the gate.
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