diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index a3d9758..84a5f1c 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -1,6 +1,6 @@
 # Implementation Plan 0021: Adopt Narratio v3.0.0
 
-Status: ready
+Status: in_progress
 
 Target executor: GPT-5.6-Terra
 
@@ -49,6 +49,8 @@ scope, and rationale. Suite integration is not part of this plan.
 
 ## Stage 1: Migrate the Role and Existing Fixtures to the v3 Interface
 
+Completion: complete (2026-09-28).
+
 ### Required Policy Review
 
 Read workspace `AGENTS.md`, `docs/orientation.md`, `docs/conventions.md`,
@@ -253,7 +255,14 @@ begin it, publish, push, or deploy from this plan.
 
 ## Progress Notes
 
-Plan approved; implementation has not started.
+Plan approved.
+
+- Stage 1: `bash -n` and the local integration harness passed, including
+  syntax check, production-profile lint, native v3 baseline and representative
+  validation, explicit v2.1.0 selection, supplied-Go recovery, and clean
+  immediate repeats. Role and workspace `git diff --check` passed. The role
+  diff changes only the public configuration interface, README, and existing
+  fixtures; production tasks and suite pins are unchanged.
 
 ## Open Questions
 
diff --git a/docs/status.md b/docs/status.md
index 1e41e9f..7f13cfc 100644
--- a/docs/status.md
+++ b/docs/status.md
@@ -5,7 +5,8 @@ Last updated: 2026-09-28
 Current milestone: Operational D&D pipeline deployment
 
 Current focus: Implement Feature 0021's standalone Narratio v3.0.0 adoption.
-The feature roadmap and staged implementation plan are approved.
+The feature roadmap and staged implementation plan are approved; work is in
+progress.
 The suite remains unchanged.
 Features 0018 through 0020 are complete after independent review with no remediation
 findings. Follow the agreed
@@ -45,7 +46,7 @@ is complete.
 | F0018 | Adopt Scriptorium v0.15.0 | Scriptorium role and workspace | done | Role commits `61dcafe`, `2fce529`, and `b174c8c` passed independent review with no findings; feature roadmap records validation; suite pins unchanged |
 | F0019 | Adopt Audita v2.0.1 | Audita role and workspace | done | Role `c3dd59f`, following `6137ff2` and `52f67fe`, passed independent review with no findings; [roadmap](roadmap/features/0019-audita-v2-adoption.md) records validation; suite pins unchanged |
 | F0020 | Adopt Notarius v0.8.1 | Notarius role and workspace | done | Role `6aef48b`, following `b1b922c` and `380b6a3`, passed independent review with no findings; [feature roadmap](roadmap/features/0020-notarius-v0-8-adoption.md) records evidence; suite pins unchanged |
-| F0021 | Adopt Narratio v3.0.0 | Narratio role and workspace | ready | [Feature roadmap](roadmap/features/0021-narratio-v3-adoption.md) and [staged plan](roadmap/implementation.md) approved; suite integration deferred |
+| F0021 | Adopt Narratio v3.0.0 | Narratio role and workspace | in_progress | [Feature roadmap](roadmap/features/0021-narratio-v3-adoption.md) and [staged plan](roadmap/implementation.md) approved; standalone role implementation underway, suite integration deferred |
 | A0001 | Audit completed standalone-role test suites | workspace and standalone roles | done | Findings recorded in `docs/roadmap/test-suite-audit-findings.md` |
 | R0001 | Simplify completed standalone-role test suites | workspace and standalone roles | done | Role commits `e08c63c`, `d2d0b9d`, and `cfecf37` passed implementation and independent review |