Mercury Genesys Token Calculator

Makefile

@@ -6,12 +6,15 @@ PIP     := $(VENV)/bin/pip
 
 .PHONY: setup lab test check-notebooks lint format clean
 
-## One-time: create venv, install deps + palladium (editable)
+## One-time: create venv, install deps + palladium (editable).
+## `pyproject.toml` carries the whole runtime toolchain as core deps and
+## pytest/ruff in the `dev` extra — `pip install -e ".[dev]"` is enough to
+## run, test, and lint. (There is deliberately no requirements.txt: a
+## second dependency list is how `make setup` silently rots.)
 setup:
 	python3 -m venv $(VENV)
 	$(PIP) install --upgrade pip
-	$(PIP) install -r requirements.txt
-	$(PIP) install -e .
+	$(PIP) install -e ".[dev]"
 	@echo ""
 	@echo "✅ Done. Next:  make lab   → open 00_setup.ipynb"