TASK ?= task01_session_lifecycle .PHONY: build test run trace clean build: @tools/card-action.sh build test: @STEM_TASK="$(TASK)" tools/card-action.sh test run: test trace: @STEM_TASK="$(TASK)" tools/card-action.sh debug clean: @find .stem/artifacts -type f -name 'trace.log' -delete 2>/dev/null || true