chore: add .npmignore and update package.json scripts for build process #133

	name: CI

	on:
	push:
	branches: ['**'] # run on pushes to all branches
	paths:
	- 'src/**'
	- 'plugins/**'
	- 'examples/**'
	- 'tests/**'
	- 'package.json'
	- 'vite.config.mjs'
	- 'vitest.config.js'
	- '.github/workflows/**'
	pull_request:
	branches: ['**'] # run on PRs against any branch

	concurrency:
	group: ci-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	# Single job: format/lint, webpack build, Vite build, then tests with coverage.
	build-and-test:
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Node.js (from .nvmrc)
	uses: actions/setup-node@v4
	with:
	node-version-file: .nvmrc
	cache: npm

	- name: Install dependencies
	run: \|
	if [ -f package-lock.json ]; then
	npm ci
	else
	npm install
	fi

	- name: Prettier check
	run: npm run format-check

	- name: ESLint
	run: npm run lint

	# Vite library build (ESM + CJS)
	- name: Build (Vite)
	run: npm run build:vite

	- name: Run tests (with coverage)
	run: npm run test:coverage
	env:
	CI: true

	- name: Upload coverage artifact
	if: always()
	uses: actions/upload-artifact@v4
	with:
	name: coverage
	path: coverage
	if-no-files-found: ignore

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