feat(evo-react): enable CSS tree-shaking with preserveModules

[HenriqueLimas]

Description

• Change evo-react vite output to maintain the folder structure instead of bundling one single dist/index.js file. This is so we can tree-shake also the skin css

Checklist

• I verify all changes are within scope of the linked issue
• I added/updated/removed testing (Storybook in Skin) coverage as appropriate

• I tested the UI in all supported browsers
• I tested the UI in dark mode and RTL mode

[changeset-bot]

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Latest commit: da92afb

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[Copilot]

Pull request overview

Updates the @evo-web/react build output to preserve module structure (instead of a single bundled file) to better support downstream tree-shaking scenarios, particularly around Skin CSS consumption.

Changes:

• Enable Rollup preserveModules output in packages/evo-react Vite build.
• Adjust production TypeScript config excludes for build-time declaration output.
• Mark the package as side-effect-free via package.json metadata.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
packages/evo-react/vite.config.js	Switch Rollup output to preserveModules with a stable entry filename.
packages/evo-react/tsconfig.prod.json	Update build excludes (but current glob likely won’t exclude nested test files).
packages/evo-react/package.json	Set sideEffects: false to support more aggressive consumer tree-shaking.

[Copilot]

tsconfig.prod.json excludes ./**/test/*, but the Vite/Vitest config expects tests under src/**/test/** (recursive). As written, nested files under a test/ folder (or deeper subfolders) would still be included in the production build and could have declaration files emitted. Update the exclude glob to match the recursive src/**/test/** pattern (and consider also excluding __tests__ if that naming is used here).

Suggested change

	"exclude": ["./**/*.stories.tsx", "./**/test/*"],
	"exclude": ["./**/*.stories.tsx", "./src/**/test/**", "./src/**/__tests__/**"],