Complete vanity migration roadmap

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # CommandKit vanity migration and dependency alignment plan
 
-Status: Stages 1–6 complete; Stage 7 is not started.
+Status: Stages 1–7 complete.
 
 This plan is for the Luna coding agent implementing the
 [feature roadmap](integration-dependency-alignment.md). Follow the stages in
@@ -323,7 +323,17 @@ module declarations and verified independent dependency graphs.
 
 ## Stage 7: Audit the completed migration and record evidence
 
-**Status:** not started.
+**Completed.** The cumulative migration was reviewed: all three module
+declarations, owned Go imports, examples, direct dependencies, and the core
+build identity use the selected vanity paths. Physical module directories, tag
+prefixes, Go minimums, ReleaseKit selection, scripts, profiles, and production
+API shapes remain unchanged. Current guidance and module attribution reflect
+the matched dependency graph; historical records remain intact.
+
+The source releases and their independent Go 1.26.8 publication suites are
+recorded in Stages 2, 4, and 6. Earlier local-source diagnostics in the feature
+roadmap were preparation evidence, not release validation. Hosted delivery is
+separate and was not performed as part of this source migration.
 
 1. Review the cumulative diff against the feature roadmap. Confirm all three
    module declarations, owned imports, examples, direct dependency keys, and