chore: sync checksums and ignore backup files #73

	name: Validate Schemas

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	workflow_dispatch:

	# Cancel older runs of the same branch/PR
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	validate:
	name: validate
	runs-on: ubuntu-latest
	env:
	FORCE_COLOR: "1"

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	# Ensure runner uses LF and does not rewrite files
	- name: Normalize git on runner
	run: \|
	git config --global core.autocrlf false
	git config --global core.eol lf

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: npm

	- name: Install dependencies
	run: npm ci

	- name: Validate schemas
	run: npm run validate:schemas

	- name: Validate examples
	run: npm run validate:examples

	- name: Generate checksums
	run: node scripts/generate-checksums.mjs schemas/v1.0.0 checksums.txt

	# Helpful debug if drift occurs
	- name: Debug checksum drift
	if: always()
	run: \|
	echo "::group::git status"
	git status --porcelain \|\| true
	echo "::endgroup::"
	echo "::group::diff checksums.txt"
	git diff -- checksums.txt \|\| true
	echo "::endgroup::"

	- name: Verify checksums are current
	run: git diff --exit-code checksums.txt

	- name: Upload checksums artifact (for debugging)
	if: failure() \|\| cancelled()
	uses: actions/upload-artifact@v4
	with:
	name: checksums.txt
	path: checksums.txt

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