Refactor - Poetry and Packages #55

	# .github/workflows/ci.yml

	name: Python Application CI

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

	jobs:
	build-and-test:
	runs-on: ubuntu-latest

	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Set up Python 3.11
	uses: actions/setup-python@v5
	with:
	python-version: '3.11.9'

	- name: Install Graphviz
	run: \|
	sudo apt-get update
	sudo apt-get install -y graphviz graphviz-dev libgraphviz-dev pkg-config

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	# Install ALL packages in editable mode to build the correct environment
	# This makes all sub-repos available.
	pip install -e ./agent-core -e ./agent-concurrent -e ./agent-engine -e ./agent-persist -e ./agent-sim
	pip install -e ".[dev]"

	- name: Lint with Ruff
	run: \|
	ruff check .

	- name: Check formatting with Ruff
	run: \|
	# Have ruff format check the entire project, not just a single 'src' folder.
	ruff format --diff .

	- name: Type check with Mypy
	run: \|
	# Only check packages that have Python files and aren't excluded
	mypy agent-core/src agent-engine/src agent-concurrent/src agent-persist/src

	- name: Run tests with Pytest
	run: \|
	# This command is fine. Pytest will now work because the 'Install dependencies'
	# step has correctly set up the environment.
	pytest

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