Add Codex review guidance #18

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.11", "3.12", "3.13"]

	steps:
	- name: Checkout
	uses: actions/checkout@v4

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

	- name: Install package
	run: python -m pip install -e .

	- name: Run unit tests
	run: PYTHONDONTWRITEBYTECODE=1 python -m unittest discover -s tests -v

	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.12"

	- name: Install build backend
	run: python -m pip install build

	- name: Build sdist and wheel
	run: python -m build

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