- Delete builtin_molecules.go (empty stubs) - Remove `mol export` command (exported 0 molecules) - Clean dead code in catalog.go iterating empty BuiltinMolecules() - Update docs to reference formula files instead of Go code Molecules are now defined as .beads/formulas/*.formula.json files and cooked into proto beads via `bd cook`. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>