docs(paul): record phase 6 transition commit

.paul/STATE.md

@@ -46,7 +46,7 @@ PLAN --> APPLY --> UNIFY
 - OpenAI API key remains configured directly in `config.php`; this was pre-existing and should be considered for future secret management cleanup.
 
 ### Git State
-Last commit: pending phase transition commit
+Last commit: 3b1ba1b
 Branch: main
 Feature branches merged: none
 
@@ -59,3 +59,4 @@ Resume file: .paul/ROADMAP.md
 
 ---
 *STATE.md - Updated after every significant action*
+