feat: Add order grouping support #25

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:

	concurrency:
	# Concurrency group that uses the workflow name and PR number if available
	# or commit SHA as a fallback. If a new build is triggered under that
	# concurrency group while a previous build is running it will be canceled.
	# Repeated pushes to a PR will cancel all previous builds, while multiple
	# merges to master will not cancel.
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

	jobs:
	tests:
	runs-on: ubuntu-24.04
	strategy:
	matrix:
	# https://devguide.python.org/versions/
	# 3.9: lower bound = lowest Python non-EOL version
	# 3.13: upper bound = latest Python stable version
	python-version: ['3.9', '3.13']
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install poetry
	run: make poetry-download

	- name: Set up cache
	uses: actions/cache@v4
	with:
	path: .venv
	key: venv-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}-${{ hashFiles('poetry.lock') }}

	- name: Install dependencies
	run: \|
	poetry config virtualenvs.in-project true
	poetry install

	- name: Run tests
	run: \|
	make test

	- name: Archive Coverage Artifacts
	uses: actions/upload-artifact@v4
	# also upload in case of test failure. this does not affect the overall workflow status
	if: always()
	with:
	name: coverage-html-report-${{ matrix.python-version }}
	path: htmlcov
	retention-days: 5

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