fix(dev): optimize Chakra UI barrel imports

[james-elicx]

Summary

• include @chakra-ui/react in vinext's default barrel-import optimization
• add a Cloudflare worker-backed dev regression reproducing Chakra 3.37's root-barrel/client-module shape
• verify the RSC transform targets the direct "use client" module instead of evaluating the root barrel under react-server

Root cause

Chakra UI v3 publishes a directive-less root barrel that re-exports client modules. In the Cloudflare-backed dev runner, importing Box from that barrel allowed its createContext() path to execute with the react-server runtime, where createContext is unavailable. Production builds already avoided the failure through static analysis.

Next.js supports this class of package through experimental.optimizePackageImports; vinext's existing equivalent already handles Radix and other barrels. Adding Chakra to vinext's compatibility defaults routes named imports directly to Chakra's client-marked module.

Validation

• red before fix: worker-backed dev request returned 500 with (0, import_react_react_server.createContext) is not a function
• vp test run tests/optimize-imports-integration.test.ts tests/optimize-imports.test.ts (44 passed)
• vp check packages/vinext/src/plugins/optimize-imports.ts tests/optimize-imports-integration.test.ts
• vp run vinext#build
• independent reviews: two clean NO FINDINGS verdicts

Closes #3316

[james-elicx]

/bigbonk review for issues

[pkg-pr-new]

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@vinext/cloudflare

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vinext

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@cloudflare/workers-response-store

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commit: 6babee3

[ask-bonk]

LGTM!

github run

[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
response-store-demo	preview	production
static-export	preview	production
web	preview	production

[github-actions]

Performance benchmarks

Compared 6babee3 against base e97de29 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	129.6 KB	129.6 KB	⚫ -0.0%
Dev server cold start	vinext	3.18 s	3.14 s	⚫ -1.3%
Production build time	vinext	3.73 s	3.71 s	⚫ -0.6%
RSC entry closure size (gzip)	vinext	121.0 KB	121.0 KB	⚫ -0.0%
Server bundle size (gzip)	vinext	218.3 KB	218.3 KB	⚫ -0.0%

View detailed results and traces

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