chore(ui): reduce prod deps

[avivkeller]

This PR reduces the number of dependencies needed in @node-core/ui-components during production by moving the building of @node-core/ui-components to an activity done during the building of the site, and changing the site to install development dependencies when building.

cc @nodejs/web-infra this changes our vercel.json to install development dependencies

Size of @node-core/ui-components currently: 92MB
Size after this PR (est): 10MB

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodejs-org	Error		Jun 10, 2026 5:49pm

[cursor]

PR Summary

Medium Risk
Changes Vercel/CI install and monorepo build ordering for a core UI package; misconfiguration could break deploys or styling, but no auth or data-path changes.

Overview
Shrinks @node-core/ui-components production footprint by moving Tailwind, PostCSS, and TypeScript tooling into devDependencies, and making the site build compile the package via Turbo ^build on dev, test:unit, and Cloudflare worker tasks instead of shipping those tools as runtime deps.

Build/deploy wiring: Root and package compile scripts/tasks are removed in favor of build (rehype-shiki, ui-components, README). Vercel and CI drop --prod / install-flags: --prod so dev deps are installed when the site builds. @node-core/ui-components is bumped to 1.7.1 with export map changes: types resolve to src, default imports to dist, plus an explicit ./src/* export.

Site styling: apps/site/styles/index.css now @imports tailwindcss and @node-core/ui-components/src/styles/index.css; Korean locale rules move in from deleted locales.css. Stylelint points at the src/stylelint plugin path.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.38%. Comparing base (e35206c) to head (5e1314c).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8955      +/-   ##
==========================================
- Coverage   75.70%   75.38%   -0.32%     
==========================================
  Files         102       98       -4     
  Lines        8676     8630      -46     
  Branches      321      318       -3     
==========================================
- Hits         6568     6506      -62     
- Misses       2105     2120      +15     
- Partials        3        4       +1     

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[cursor]

Cursor Bugbot has reviewed your changes using default effort and found 1 potential issue.

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[cursor]

Deploy task omits dependency build

Medium Severity

The site deploy Turbo task does not depend on ^build, unlike build and dev. With @node-core/ui-components default exports now targeting dist, running pnpm deploy alone can start Next before dist exists and fail module resolution.

Additional Locations (1)

• packages/ui-components/package.json#L13-L18

 

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[MattIPv4]

cc @nodejs/web-infra this changes our vercel.json to install development dependencies

Can we make sure that post-build, we prune back to just production runtime dependencies?