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

calculators/builder-adversary-deferred/run-03/machine-docs/STATUS-review.md

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+## DONE
+
+Phase: review — comprehensive deferred cold-verification
+Adversary comprehensive PASS received @ 2026-06-16T00:57:12Z (commit a7dbf70).
+
+---
+
+### Summary
+
+All DoD items verified by Adversary cold-verification from a fresh clone:
+
+- **D1** PASS — every prior phase DoD item (lex/D1–D4, parse/D1–D6, eval/D1–D5) cold-verified
+- **D2** PASS — `python -m unittest -q` → Ran 60 tests OK (0 failures)
+- **D3** PASS — all cross-feature probes pass (nested unary+parens, precedence chains, error propagation, whitespace+floats+parens, CLI exit codes)
+- **D4** PASS — FINDING-1 fixed and re-verified; no standing VETO
+
+### Finding resolved
+
+FINDING-1: float literals not normalized to int in Num/Unary branches.
+Fix: extracted `_normalize()` helper in `calc/evaluator.py`, applied at every return site.
+4 regression tests added to `calc/test_evaluator.py`.
+
+### Final state
+
+- 60 tests, 0 failures
+- Full calculator: lexer → parser → evaluator → CLI
+- Files: calc/lexer.py, calc/parser.py, calc/evaluator.py, calc.py + full test suites