add github actions #8

	name: CI

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

	jobs:
	lint:
	name: Lint (ruff + black)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: Install dev tools
	run: \|
	python -m pip install --upgrade pip
	pip install -r service/requirements.txt

	- name: Ruff (lint)
	run: ruff check .

	- name: Black (format check)
	run: black --check --diff .

	test:
	name: Tests (pytest)
	runs-on: ubuntu-latest
	needs: lint
	strategy:
	matrix:
	python-version: ["3.10", "3.11", "3.12"]
	steps:
	- uses: actions/checkout@v4

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

	- name: Cache pip
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install deps
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt;
	- name: Run pytest
	run: pytest -q

Provide feedback