PIQP win diag: loop conic.py 5x, dump real test tracebacks #9

	name: PIQP LP failure on Windows (fresh f38ca70abf)

	on: [push, workflow_dispatch]

	jobs:
	diag:
	runs-on: windows-2022
	steps:
	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: Get casadi test files (piqp2)
	shell: bash
	run: \|
	git clone --depth 1 --branch piqp2 https://github.com/casadi/casadi.git src
	echo "test files:"; ls src/test/python/conic.py src/test/python/helpers.py

	- name: Download fresh PIQP-enabled win64 build
	shell: bash
	run: \|
	curl -sSL https://github.com/casadi/debug/releases/download/piqp-win-fresh/casadi-windows64-py311.zip -o casadi.zip
	mkdir -p cs && unzip -q casadi.zip -d cs
	ls cs/casadi/libcasadi_conic_piqp.dll

	- name: Install deps
	shell: bash
	run: python -m pip install --upgrade pip numpy scipy

	- name: Run real conic.py test_linear / test_linear2 (piqp only)
	shell: bash
	env:
	PYTHONPATH: ${{ github.workspace }}/cs
	run: \|
	export SKIP_WORHP_TESTS=1 # known unrelated worhp crash
	cd src/test/python
	python -c "import casadi; print('casadi',casadi.__version__,'piqp',casadi.has_conic('piqp'))"
	for i in 1 2 3 4 5; do
	echo "############ conic.py attempt $i ############"
	python conic.py > out_$i.txt 2>&1; rc=$?
	echo "exit=$rc verdict: $(grep -aE '^OK$\|^OK \|^FAILED' out_$i.txt \| tail -1)"
	if [ $rc -ne 0 ]; then
	echo "---- real test errors/failures ----"
	grep -anE "^(ERROR\|FAIL): (test\|conic)" out_$i.txt \|\| true
	echo "---- traceback ----"
	grep -anA 18 -E "^(ERROR\|FAIL): test" out_$i.txt \| head -40 \|\| true
	fi
	done

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