fix: resolve conflicts for PR #372 against current master

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>

tests/test_llm_workflow_split.py

@@ -172,6 +172,12 @@ def test_reconcile_linked_issue_verifier_exported():
     assert callable(assess_reconcile_linked_issue_report)
 
 
+def test_infra_stop_handoff_verifier_exported():
+    from review_proofs import assess_infra_stop_handoff_report
+
+    assert callable(assess_infra_stop_handoff_report)
+
+
 def test_mutation_categories_verifier_exported():
     from review_proofs import assess_mutation_categories_report