Add tag-based release workflow #1

	name: Auto Release when Tag
	on:
	push:
	tags:
	- 'v*'
	- 'test/v*'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: false

	permissions:
	contents: read

	jobs:
	release:
	runs-on: [self-hosted, trpc-agent-python-ci]
	timeout-minutes: 30
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Install release dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements-test.txt
	pip install build twine flake8 yapf

	- name: Validate tag version
	run: \|
	TAG_VERSION="${GITHUB_REF_NAME#test/v}"
	TAG_VERSION="${TAG_VERSION#v}"
	PACKAGE_VERSION=$(python -c "from trpc_agent_sdk.version import __version__; print(__version__)")
	if [ "$TAG_VERSION" != "$PACKAGE_VERSION" ]; then
	echo "::error::Tag version '$TAG_VERSION' does not match package version '$PACKAGE_VERSION'."
	exit 1
	fi

	- name: Check formatting with YAPF
	run: \|
	diff_output=$(yapf --diff --recursive trpc_agent_sdk) \|\| true
	if [ -n "$diff_output" ]; then
	echo "$diff_output"
	echo "::error::Code formatting check failed. Run 'yapf -i -r trpc_agent_sdk' to fix."
	exit 1
	fi

	- name: Lint with flake8
	run: \|
	flake8 trpc_agent_sdk

	- name: Run tests with coverage
	run: \|
	pytest --cov=trpc_agent_sdk --cov-report=xml --cov-report=term --cov-fail-under=80 tests/

	- name: Build package
	run: \|
	python -m build

	- name: Check package
	run: \|
	twine check dist/*

	- name: Publish to PyPI
	if: startsWith(github.ref, 'refs/tags/v')
	run: \|
	twine upload dist/*
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}

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