Repo hygiene: add platform 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
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt pytest

	- name: Run unit tests
	run: \|
	set -euo pipefail
	PYTHONPATH=. PYTEST_DISABLE_PLUGIN_AUTOLOAD=1 python -m pytest -q

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