Complete the pipeline composition foundation

docs/roadmap/features/0006-pipeline-role-composition-foundation.md

@@ -1,6 +1,6 @@
 # Feature 0006: Pipeline Role Composition Foundation
 
-Status: ready
+Status: done
 
 ## Summary
 
@@ -374,6 +374,12 @@ standalone roles' field-specific variables rather than adding pipeline-owned
 configuration templates or duplicating every downstream setting behind a new
 alias.
 
+The feature was implemented in `ansible-role-dnd-pipeline` commits `b515968`
+and `61869d1`, then finalized by review remediation commit `4ea4358`. The
+complete integration suite passes with fresh dependency bootstrap, native
+application validation, explicit suite-level version selection, and clean
+repeated convergence.
+
 ## Potential Future Hardening
 
 - Verify signed role or application releases.