ci: install pytest alongside lecerf in windows-smoke #4

	name: ci

	on: [push, pull_request]

	jobs:
	windows-smoke:
	name: Windows smoke — MinGW DLL on MSVC Python
	runs-on: windows-latest

	steps:
	- uses: actions/checkout@v4

	# MSYS2 ships MinGW-w64 GCC and CMake; no extra install needed
	- uses: msys2/setup-msys2@v2
	with:
	msystem: MINGW64
	install: >-
	mingw-w64-x86_64-gcc
	mingw-w64-x86_64-cmake
	mingw-w64-x86_64-ninja
	make

	# Build liblecerf.dll with MinGW toolchain (code uses __builtin_ctz etc.)
	- name: Build liblecerf.dll (MinGW)
	shell: msys2 {0}
	run: \|
	which gcc cmake ninja
	cmake -B build_ci -G Ninja \
	-DCMAKE_BUILD_TYPE=Release \
	-DLECERF_BUILD_PYTHON=ON \
	-DCMAKE_C_COMPILER=gcc
	cmake --build build_ci --target liblecerf -j4
	ls build_ci/liblecerf.dll

	# Copy DLL into python package directory (editable install picks it up)
	- name: Stage DLL for Python package
	shell: pwsh
	run: Copy-Item build_ci\liblecerf.dll python\lecerf\liblecerf.dll

	# Use MSVC-built CPython — this is the MinGW-DLL-on-MSVC-Python smoke
	- uses: actions/setup-python@v5
	with:
	python-version: "3.12"

	- name: Install lecerf (editable, no recompile)
	run: pip install -e python/ pytest

	# Smoke import — proves ctypes loads MinGW DLL into MSVC CPython
	- name: Import smoke
	run: python -c "from lecerf import Board; b = Board('stm32f103'); print(b)"

	# Full 6-test pytest suite
	- name: pytest 6 smoke tests
	run: python -m pytest python/tests/ -v

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