Add ML CI Pipeline workflow configuration #8

	name: ML CI Pipeline

	on:
	push:
	branches: ["test", "dev", "main"]

	pull_request:
	branches: ["test", "dev", "main"]

	jobs:
	lint-and-test:
	name: Lint, Format-check and Test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.10, 3.11]

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

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	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 project deps and CI tools
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then python -m pip install -r requirements.txt; fi
	# install tooling used by CI
	python -m pip install flake8 pytest black ruff

	- name: Verify linters installed
	run: \|
	python -m pip show flake8 \|\| true
	python -m flake8 --version \|\| true
	python -m ruff --version \|\| true
	python -m black --version \|\| true

	- name: Run ruff (fast linter)
	run: \|
	python -m ruff check .

	- name: Check formatting with black
	run: \|
	python -m black --check .

	- name: Lint with flake8
	run: \|
	# run via python -m to avoid PATH/entrypoint issues
	python -m flake8 . --max-line-length=150 --exclude .venv,venv,__pycache__,Models

	- name: Run pytest (if tests exist)
	run: \|
	if [ -d tests ] \|\| ls -1 test_*.py 2>/dev/null \| grep -q . ; then
	python -m pytest -q
	else
	echo "No tests found, skipping pytest"
	fi

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