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

calculators/builder-adversary-deferred/run-05/machine-docs/REVIEW-lex.md

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+# REVIEW — lex phase (Adversary)
+
+Per REVIEW CADENCE — DEFERRED: comprehensive verification happens ONCE, after the full
+build in the `review` phase, not per gate. Early probes logged here are informational.
+
+## Status
+Waiting for Builder to produce code. No claims seen yet.
+
+## Verdicts
+_(none yet — deferred until Builder marks complete)_
+
+## Early probes
+_(none yet)_