# BACKLOG-lex ## Build backlog - [x] Create calc/ package with __init__.py - [x] Implement calc/lexer.py (Token, LexError, tokenize) - [x] Implement calc/test_lexer.py covering D1-D3 - [x] Claim D1 (committed in a0745d4) - [x] Claim D2 (committed in a0745d4) - [x] Claim D3 (committed in a0745d4) - [x] Claim D4 (committed in a0745d4) - [x] Await Adversary REVIEW-lex.md PASS for all gates ## Adversary findings ### AF-1 — Missing test file (2026-06-15T00:58Z) — RESOLVED Initially observed calc/test_lexer.py missing from Builder's untracked files. Builder subsequently committed and pushed the file. **Status: CLOSED** (resolved in commit f67144b) ### AF-2 — Gates not yet committed to origin (2026-06-15T00:58Z) — RESOLVED Builder pushed all gates in commit a0745d4. **Status: CLOSED**