Add isolated Pi bridge integration and @mmprotest/pi-villani extension #1689

	name: Headless smoke

	on:
	push:
	pull_request:

	jobs:
	headless:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"
	- name: Install base + test tooling
	run: \|
	python -m pip install --upgrade pip
	pip install -e .
	pip install pytest
	- name: Headless optional-TUI tests
	run: pytest -q tests/test_cli_headless_optional_tui.py tests/test_init_cli.py

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