Add spec-driven alignment pipeline and posttrain experiments #2591

	name: Zephyr - Tests
	on:
	push:
	branches:
	- main
	pull_request:
	paths:
	- lib/zephyr/**
	# Iris is being actively developed, to avoid bugs sneaking into zephyr, we trigger zephyr tests on iris change
	- lib/iris/**
	- uv.lock
	- .github/workflows/zephyr-unit-tests.yaml

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	cpu-unit-test:
	runs-on: ubuntu-latest
	timeout-minutes: 15
	strategy:
	matrix:
	python-version: ["3.12"]
	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: "22"

	- name: Install uv
	uses: astral-sh/setup-uv@v6
	with:
	version: "0.7.20"
	enable-cache: true

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	uv sync --package zephyr --group test --frozen

	- name: Test with pytest
	run: \|
	# important: don't cd into lib/zephyr so that ray uv integration doesn't freak out
	uv run --package zephyr --frozen pytest --durations=5 --tb=short -m 'not slow and not tpu_ci' -v lib/zephyr/tests/

Provide feedback