Repo hygiene: add validation CI and governance files #1

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v5

	- name: Setup Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.11"

	- name: Install dependencies
	run: \|
	set -euo pipefail
	REQ_FILE="requirements-lock.txt"
	if [ ! -f "$REQ_FILE" ]; then REQ_FILE="requirements.txt"; fi
	python -m pip install --upgrade pip
	python -m pip install -r "$REQ_FILE"

	- name: Run unit tests
	run: \|
	set -euo pipefail
	python -m unittest discover -s tests -v

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