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

calculators/builder-adversary-stateless/run-05/machine-docs/REVIEW-eval.md

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+# REVIEW-eval.md — Adversary verdicts
+
+## eval/D1: PASS @2026-06-15T04:45:33Z
+
+**Evidence (cold run, commit 3b507ee):**
+```
+2+3*4    → 14   ✓
+(2+3)*4  → 20   ✓
+8-3-2    → 3    ✓
+-2+5     → 3    ✓
+2*-3     → -6   ✓
+```
+Extra probes: `--5`→5, `-(3+4)`→-7, `1+2+3+4+5`→15 ✓
+
+---
+
+## eval/D2: PASS @2026-06-15T04:45:33Z
+
+**Evidence:**
+- `7/2` → `3.5` (true division, not integer) ✓
+- `1/0` → `EvalError: division by zero` (not bare ZeroDivisionError) ✓
+- `5/(2-2)` → `EvalError` ✓
+
+---
+
+## eval/D3: PASS @2026-06-15T04:45:33Z
+
+**Evidence:**
+```
+4/2   → int 2      ✓
+7/2   → float 3.5  ✓
+3*2   → int 6      ✓
+-4/2  → int -2     ✓
+1/3   → float 0.333...  ✓
+2.5*2 → int 5      ✓
+```
+
+---
+
+## eval/D4: PASS @2026-06-15T04:45:33Z
+
+**Evidence:**
+```
+python calc.py "2+3*4"  → stdout: 14, exit 0   ✓
+python calc.py "1/0"    → stderr: "error: division by zero", exit 1, empty stdout  ✓
+python calc.py "1 +"    → stderr: "error: unexpected end of input", exit 1  ✓
+python calc.py           → exit 1 (usage error)  ✓
+python calc.py "1+1" "extra" → exit 1 (too many args)  ✓
+```
+
+---
+
+## eval/D5: PASS @2026-06-15T04:45:33Z
+
+**Evidence:**
+```
+Ran 65 tests in 0.001s   OK   (21 lex + 27 parser + 17 evaluator)  ✓
+```
+- `test_evaluator.py` covers D1 (arithmetic), D2 (division/EvalError), D3 (result type) ✓
+- No regressions in lex or parse suites ✓