Complete release tooling roadmap

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Release tooling implementation plan
 
-Status: Stages 1–5 complete; Stage 6 pending.
+Status: Stages 1–6 complete.
 
 Follow the stages in integer order. This is one end-to-end sprint: intermediate
 stages may temporarily leave scripts, tests, and documentation inconsistent.
@@ -332,6 +332,10 @@ release-readiness limits accurately reported.
 
 ## Stage 6: Review, document completion, and commit
 
+**Completed.** The implementation was reviewed against the feature roadmap;
+validation and the integration dependency limitation are recorded above. The
+roadmap documents remain available for later release preparation.
+
 Review the complete diff against the feature roadmap. Confirm that all three
 profiles have the selected options and destination; one shared launcher owns
 module routing; the old publication exercise and unused helpers are gone;