test(cloudflare): prove deployed Pages CDN prewarming

[james-elicx]

Summary

• add one non-conflicting Pages ISR route to the existing hybrid workers-cache fixture
• require the staged deploy warmup to discover and fill that HTML key
• assert the first post-promotion Pages request is an untouched CDN HIT from the exact uploaded build before running the existing RSC browser proof

Scope

This reuses the existing Worker, seed deployment, strict warm command, production hostname, promotion readiness check, and Playwright job. It does not add a second deploy flow or change production behavior.

Validation

• workers-cache hybrid App/Pages production build passed locally
• 20 focused discovery tests passed
• vp check passed
• deployed strict warm/HIT proof runs in this PR CI

[james-elicx]

/bigbonk review for issues

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@vinext/cloudflare@3041

npm i https://pkg.pr.new/create-vinext-app@3041

npm i https://pkg.pr.new/@vinext/types@3041

npm i https://pkg.pr.new/vinext@3041

commit: e8079d2

[github-actions]

Example	Preview	Production	Original
app-router-cloudflare	preview	production
pages-router-cloudflare	preview	production
app-router-playground	preview	production	original
realworld-api-rest	preview	production
nextra-docs-template	preview	production
benchmarks	preview	production
hackernews	preview	production	original
workers-cache	preview	production
web	preview	production

[github-actions]

Performance benchmarks

Compared e8079d2 against base 22c8e57 using alternating same-runner rounds. Next.js was unchanged and skipped.

0 improved · 0 regressed · 6 within ±1.5%

Scenario	Framework	Baseline	Current	Change
Client bundle size (gzip)	vinext	142.2 KB	142.2 KB	⚫ -0.0%
Client entry size (gzip)	vinext	129.5 KB	129.5 KB	⚫ 0.0%
Dev server cold start	vinext	2.38 s	2.37 s	⚫ -0.5%
Production build time	vinext	2.60 s	2.61 s	⚫ +0.1%
RSC entry closure size (gzip)	vinext	116.0 KB	116.0 KB	⚫ -0.0%
Server bundle size (gzip)	vinext	197.5 KB	197.5 KB	⚫ +0.0%

View detailed results and traces

_{🟢 improvement · 🔴 regression · ⚫ change below 1.5% · paired base/head}

[ask-bonk]

LGTM!

github run

[james-elicx]

Superseded by consolidated PR #3046. No commits were dropped or rewritten: #3046 now contains this exact linear commit as part of #3041–#3046. Closing only the redundant draft PR.