ci: Add locked-in tool; fix violations #765

	name: Prettier

	on:
	pull_request:
	push:
	branches:
	- main
	- dev

	# Cancel in-progress runs on new commits to same PR/branch
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	permissions: {}

	jobs:
	prettier:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
	with:
	persist-credentials: false

	- name: Setup Bun
	uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
	with:
	bun-version: "1.3.4"

	- name: Install dependencies
	run: bun ci

	- name: Verify Prettier version
	run: \|
	EXPECTED_VERSION=$(node -p "require('./package.json').devDependencies.prettier")
	ACTUAL_VERSION=$(bunx prettier --version)
	echo "Expected Prettier version (from package.json): $EXPECTED_VERSION"
	echo "Actual Prettier version: $ACTUAL_VERSION"
	if [ "$EXPECTED_VERSION" != "$ACTUAL_VERSION" ]; then
	echo "Error: Prettier version mismatch!"
	echo "bun.lock is out of sync with package.json — regenerate it and commit the result"
	exit 1
	fi
	echo "✓ Prettier version matches"

	- name: Run Prettier check
	run: \|
	bun run prettier:check \|\| {
	echo "Prettier found code style issues."
	echo
	echo "To fix locally, from the repo root run:"
	echo " bun run prettier"
	echo
	echo "Then commit the changes and push to rerun this check."
	exit 1
	}

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