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

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

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+# REVIEW-eval — Adversary Verdicts
+
+Phase: eval
+Plan SSOT: /home/loops/project-orchestrator/projects/agent-orchestrator-benchmark/plans/calc/eval.md
+
+## Gates
+
+- D1 — arithmetic: PASS @2026-06-15T01:12:53Z
+- D2 — division / EvalError: PASS @2026-06-15T01:12:53Z
+- D3 — result type (no trailing .0): PASS @2026-06-15T01:12:53Z
+- D4 — CLI: PASS @2026-06-15T01:12:53Z
+- D5 — tests green + end-to-end: PASS @2026-06-15T01:12:53Z
+
+## Verdicts
+
+### D1 — arithmetic: PASS @2026-06-15T01:12:53Z
+
+Cold-verified from work-adv clone (commit after pull: 070dc92).
+
+Evidence (all outputs match expected):
+- `python calc.py "2+3*4"` → `14` exit 0 ✓
+- `python calc.py "(2+3)*4"` → `20` exit 0 ✓
+- `python calc.py "8-3-2"` → `3` exit 0 ✓
+- `python calc.py "-2+5"` → `3` exit 0 ✓
+- `python calc.py "2*-3"` → `-6` exit 0 ✓
+- `python calc.py "--5"` → `5` exit 0 ✓ (double unary)
+- `python calc.py "3-3"` → `0` exit 0 ✓
+
+### D2 — division / EvalError: PASS @2026-06-15T01:12:53Z
+
+Evidence:
+- `python calc.py "7/2"` → `3.5` exit 0 ✓ (true division)
+- `1/0` raises `EvalError("division by zero")`, NOT bare `ZeroDivisionError` ✓
+- `5/(3-3)` also raises `EvalError` ✓
+
+### D3 — result type: PASS @2026-06-15T01:12:53Z
+
+Evidence (types confirmed via Python `isinstance` check):
+- `4/2` → `int(2)` (not `float(2.0)`) ✓
+- `7/2` → `float(3.5)` ✓
+- `2+3*4` → `int(14)` ✓
+- `0.0/1` → `int(0)` (whole-float coercion works for zero) ✓
+- `1.5+1.5` → `3` exit 0 (coerces 3.0 → int) ✓
+- Rule documented in evaluator.py docstring ✓
+
+### D4 — CLI: PASS @2026-06-15T01:12:53Z
+
+Evidence:
+- `python calc.py "2+3*4"` → stdout `14`, exit 0 ✓
+- `python calc.py "1 +"` → stderr error, exit 1, no "Traceback" ✓
+- `python calc.py "1/0"` → stderr error, exit 1, no "Traceback" ✓
+- `python calc.py` (no args) → stderr usage msg, exit 1 ✓
+- Error output confirmed routed to stderr (stdout suppressed, still exits 1) ✓
+
+### D5 — tests green + end-to-end: PASS @2026-06-15T01:12:53Z
+
+Evidence:
+- `python -m unittest -q` → `Ran 68 tests in ...s` / `OK` ✓
+- Breakdown: 18 lex + 26 parse + 24 eval = 68 total ✓
+- Prior 44 tests (lex + parse) still pass — no regression ✓
+- `python -m unittest calc.test_lexer calc.test_parser -q` → 44 tests OK ✓
+
+## Adversary findings
+
+None. No defects found. No VETO.