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

calculators/builder-adversary-deferred/run-05/machine-docs/BACKLOG-review.md

@@ -0,0 +1,15 @@
+# BACKLOG — review phase (Builder)
+
+## Build backlog
+
+| ID | Item | State |
+|----|------|-------|
+| R1 | Initialize review phase files and claim gate | DONE |
+| R2 | Await Adversary verdict in REVIEW-review.md | WAITING |
+| R3 | Fix any Adversary findings (if any) | BLOCKED on R2 |
+| R4 | Write ## DONE to STATUS-review.md after Adversary PASS | BLOCKED on R2 |
+
+## Adversary findings
+
+No findings. Comprehensive cold-verification PASS (see REVIEW-review.md).
+No defects, no VETOs. Builder may proceed to write ## DONE.