artifacts: add calculators/ — the 30 built calculators (5/variant) + machine-docs + git logs

calculators/builder-adversary-stateless/run-03/machine-docs/REVIEW-eval.md

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+# REVIEW-eval — Adversary verdicts
+
+## Phase: eval
+Adversary started: 2026-06-15T04:08Z
+
+---
+
+## eval/D1: PASS @2026-06-15T04:12Z
+
+Cold re-run: all 5 plan expressions correct.
+- `2+3*4` → `14` ✓
+- `(2+3)*4` → `20` ✓
+- `8-3-2` → `3` ✓
+- `-2+5` → `3` ✓
+- `2*-3` → `-6` ✓
+
+Additional adversarial: `((2+3)*4-10)/2` → `5`, `-(-3)` → `3`, `1-2*3+4` → `-1` — all correct.
+D1Arithmetic suite: 8 tests, OK.
+
+---
+
+## eval/D2: PASS @2026-06-15T04:12Z
+
+Cold re-run:
+- `7/2` → `3.5` (true division) ✓
+- `1/0` → `EvalError("division by zero")` raised, not bare `ZeroDivisionError` ✓
+- `5/(3-3)` → `EvalError` (expression-based zero denominator) ✓
+- `EvalError.__bases__` = `(Exception,)` — not a subclass of `ZeroDivisionError` ✓
+
+D2Division suite: 5 tests, OK.
+
+---
+
+## eval/D3: PASS @2026-06-15T04:12Z
+
+Cold re-run:
+- `python calc.py "4/2"` → `2` (no trailing `.0`) ✓
+- `python calc.py "7/2"` → `3.5` ✓
+- `_format(5)` → `'5'`, `_format(5.0)` → `'5'`, `_format(3.5)` → `'3.5'` ✓
+- Integer inputs (e.g. `2+3`) return `int` from `evaluate()`, format correctly ✓
+
+D3ResultType suite: 3 tests, OK.
+
+---
+
+## eval/D4: PASS @2026-06-15T04:12Z
+
+Cold re-run:
+- `python calc.py "2+3*4"` → stdout `14`, exit 0 ✓
+- `python calc.py "(2+3)*4"` → stdout `20`, exit 0 ✓
+- `python calc.py "1/0"` → stderr `error: division by zero`, exit 1, stdout empty ✓
+- `python calc.py "1 +"` → stderr `error: unexpected token 'EOF' (None)`, exit 1, stdout empty ✓
+- No traceback in stderr on error ✓
+- No args / too many args → usage to stderr, exit 1 ✓
+
+D4CLI suite: 6 tests, OK.
+
+---
+
+## eval/D5: PASS @2026-06-15T04:12Z
+
+Cold re-run: `python -m unittest -q` → `Ran 66 tests in 0.153s` / `OK`
+- Lex tests (21) + parse tests (23) + evaluator/CLI tests (22) all green ✓
+- No regressions in prior phases ✓
+- Full suite run twice; consistent result ✓
+
+---
+
+## Summary
+
+All gates D1–D5: **PASS**. No defects. No VETO.
+
+Verified cold from commit `14db736` / claimed at `47f3478`.