Record completion of Audita version 2 role migration

docs/roadmap/implementation.md

@@ -41,6 +41,8 @@ inventory change in this feature.
 
 ## Stage 1: Migrate the Role and Establish a Valid v2 Baseline
 
+Completion: complete (2026-09-28).
+
 ### Required Policy Review
 
 Read `AGENTS.md`, `docs/orientation.md`, `docs/conventions.md`,
@@ -225,7 +227,15 @@ Independent review and closeout precede the next adoption feature.
 ## Progress Notes
 
 Roadmap, caller-managed profile decision, and implementation plan approved by
-the user. Implementation has not started.
+the user.
+
+- Stage 1: role commit `6137ff2`. `ansible-role-audita/tests/integration`
+  passed with syntax checking,
+  production-profile lint, native v2 validation, offline proposal/validation
+  profile inspection, representative rendering, clean repeats, and
+  missing-binary recovery using a caller-supplied Go executable. The private
+  configuration fixture was removed without replacing the host's system
+  configuration. `git diff --check` passed in the role repository.
 
 ## Open Questions