diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index d3b77ff..ebb8eed 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -1,6 +1,6 @@
 # CommandKit vanity migration and dependency alignment plan
 
-Status: Stages 1–3 complete; Stages 4–7 are not started.
+Status: Stages 1–4 complete; Stages 5–7 are not started.
 
 This plan is for the Luna coding agent implementing the
 [feature roadmap](integration-dependency-alignment.md). Follow the stages in
@@ -224,7 +224,11 @@ aligned current documentation/attribution.
 
 ## Stage 4: Validate and publish ckconfig v0.2.0
 
-**Status:** not started.
+**Completed.** `go.maximumdirect.net/ckconfig v0.2.0` was published as
+`integrations/ckconfig/v0.2.0` at candidate
+`92a327db9752e7a898d14f56e86fbdee027b3126`. The ordinary Go 1.26.8 release
+workflow passed the independent suite, maintained example, and selected file
+checks before the successful source-tag push.
 
 Review and commit the complete ckconfig candidate. From the repository root,
 use the same authoritative-branch protocol as Stage 2: