chore(count-aggregator-ui): export cn and typecheck tests from tsconfig.json

[pjeweb]

Summary

• Export cn from @mapsight/count-aggregator-ui and typecheck tests from the package tsconfig.json.
• Document CMS stylesheet load order and include top-level traffic-style lib tests in Vitest.

[changeset-bot]

🦋 Changeset detected

Latest commit: 2975938

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@mapsight/count-aggregator-ui	Patch

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[Copilot]

Pull request overview

This PR updates @mapsight/count-aggregator-ui’s public API and TypeScript configuration so that test files are typechecked via the package’s main tsconfig.json, while keeping the build output emitted via a dedicated build config. It also broadens Vitest’s include patterns for traffic-style and adds documentation clarifying CMS stylesheet/portal usage expectations.

Changes:

• Export cn from @mapsight/count-aggregator-ui’s main entrypoint.
• Consolidate typechecking into tsconfig.json (noEmit: true) and shift emitting builds to tsconfig.build.json (noEmit: false), removing tsconfig.test.json.
• Expand traffic-style Vitest include globs and add CMS stylesheet load-order guidance in the UI README.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/traffic-style/vitest.config.ts	Adds a Vitest include glob for top-level src/lib/*.test.ts.
packages/count-aggregator-ui/tsconfig.test.json	Removes the separate test tsconfig.
packages/count-aggregator-ui/tsconfig.json	Enables noEmit and allows tests under src/ to be typechecked by default.
packages/count-aggregator-ui/tsconfig.build.json	Ensures builds still emit outputs by overriding noEmit and keeping test exclusions.
packages/count-aggregator-ui/src/index.ts	Exports cn from ./lib/utils.js as part of the public API.
packages/count-aggregator-ui/README.md	Documents CMS stylesheet load order and portal guidance for embeds.
packages/count-aggregator-ui/package.json	Simplifies typecheck to a single tsc --noEmit run.
.changeset/count-aggregator-ui-tsconfig-export-cn.md	Adds a changeset describing the patch-level change.

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