use unified git diff instructions #185

	name: Core API Tests

	on: [push, pull_request]

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Python 3.10
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e .[test]
	pip install pytest

	- name: Run tests
	run: \|
	pytest -v tests/

	env:
	GPTDIFF_LLM_API_KEY: "dummy-key" # Required but unused in mocked tests

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