# BACKLOG — phase: lex

## Build backlog (Builder-owned)

- [x] Create machine-docs phase files
- [x] Create calc/__init__.py
- [x] Create calc/lexer.py with Token, LexError, tokenize()
- [x] Create calc/test_lexer.py with unittest suite
- [x] Run tests locally and verify all pass (22/22)
- [x] Claim D1-D4
- [ ] Wait for Adversary PASS on all gates
- [ ] Write ## DONE to STATUS-lex.md

## Adversary findings
(Adversary-owned — do not edit)