Enable CI: import smoke test on push and pull requests #1

	# Public smoke test for MLatom — "does the package import cleanly".
	#
	# Runs on every push to main and every pull request. It installs the minimal
	# eager-import dependencies (verified from a clean environment) and imports
	# MLatom on Linux across the supported Python versions. Heavy backends (torch,
	# dftd4, Gaussian, ORCA, …) and actual calculations are validated separately.

	name: CI

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

	env:
	MLATOM_NO_VERSION_CHECK: "1" # do not phone home to PyPI during CI

	jobs:
	import-smoke:
	name: import (py${{ matrix.python-version }})
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.9", "3.10", "3.11"]
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	# The dependencies `import mlatom` actually needs at load time.
	- name: Install eager-import dependencies
	run: python -m pip install --upgrade pip numpy scipy joblib h5py requests tqdm psutil
	- name: Import MLatom
	run: python -c "import mlatom; print('MLatom', mlatom.__version__)"

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