diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 9c66168..961bcd0 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -94,6 +94,8 @@ new role commit is needed. Record evidence and commit workspace progress as
 
 ## Stage 2: Migrate Suite Configuration and Existing Integration Cases
 
+Completion: complete (2026-09-29).
+
 ### Required Policy Review
 
 Read `AGENTS.md`, `docs/orientation.md`, `docs/conventions.md`,