improve: add py3.13 to CI matrix, add format check step, update Makefile targets #21

	name: CI

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

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6

	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.12"

	- name: Install ruff
	run: pip install ruff

	- name: Run ruff check
	run: ruff check src/ tests/

	- name: Check formatting
	run: ruff format --check src/ tests/

	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.10", "3.11", "3.12", "3.13"]

	steps:
	- uses: actions/checkout@v6

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v6
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e ".[dev]"

	- name: Run tests
	run: \|
	pytest tests/ -v --tb=short

	- name: Check package build
	run: \|
	pip install build twine
	python -m build
	twine check dist/*

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