Update build.yml #58

	name: CI (pip)

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

	jobs:
	test:
	name: Tests (${{ matrix.os }} \| py${{ matrix.py }})
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest, macos-14]
	py: ['3.11']

	steps:
	- uses: actions/checkout@v4

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

	- name: Upgrade pip
	run: python -m pip install --upgrade pip

	# Install project/runtime deps if you have requirements.txt (no shell conditionals → no Windows PowerShell errors)
	- name: Install runtime requirements
	if: hashFiles('requirements.txt') != ''
	run: python -m pip install -r requirements.txt

	- name: Install dev tools
	run: python -m pip install pytest ruff mypy bandit

	- name: Lint (ruff)
	run: python -m ruff check .

	- name: Type-check (mypy, lenient)
	run: python -m mypy --ignore-missing-imports . \|\| true

	- name: Run tests
	env:
	PYTHONPATH: ${{ github.workspace }}
	run: python -m pytest -q

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