Release: Publish to PyPi #9

	# Step 6: Builds and publishes the package to PyPI from a release/v{version} branch.
	# Creates a merge-back PR (step 7) to sync release changes to main.
	name: "Release: Publish to PyPi"

	on:
	workflow_dispatch:

	permissions:
	contents: write
	pull-requests: write

	jobs:
	publish:
	runs-on: ubuntu-latest
	steps:
	- name: Validate branch
	run: \|
	if [[ ! "${GITHUB_REF_NAME}" =~ ^release/v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
	echo "Error: Must run from a release/v* branch (e.g., release/v0.3.0)"
	exit 1
	fi

	- name: Extract version
	id: version
	run: \|
	VERSION="${GITHUB_REF_NAME}"
	VERSION="${VERSION#release/v}"
	echo "version=$VERSION" >> $GITHUB_OUTPUT
	echo "Publishing version: $VERSION"

	- uses: actions/checkout@v6

	- name: Install uv
	uses: astral-sh/setup-uv@v4
	with:
	version: "latest"

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

	- name: Build package
	run: uv build

	- name: Publish to PyPI
	env:
	UV_PUBLISH_TOKEN: ${{ secrets.PYPI_TOKEN }}
	run: uv publish

	- name: Create merge-back PR
	env:
	GH_TOKEN: ${{ secrets.RELEASE_PAT }}
	STEPS_VERSION_OUTPUTS_VERSION: ${{ steps.version.outputs.version }}
	run: \|
	gh pr create \
	--base main \
	--head "${GITHUB_REF_NAME}" \
	--title "chore: merge release v${STEPS_VERSION_OUTPUTS_VERSION} to main" \
	--body "Syncs version bump and CHANGELOG from release v${STEPS_VERSION_OUTPUTS_VERSION} to main."

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