diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 0337004..cc9b7d5 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -374,4 +374,5 @@ out-of-band implementation. Completion requires subsequent independent review.
 
 ## Progress Notes
 
-No stages have been completed.
+- [x] Stage 1 complete — `ansible-role-scriptorium` commit `90d7f45`; full
+  `tests/integration` passed. No deviations.