diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 735e153..0d5c9ce 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -1,6 +1,6 @@
 # Consolidation Implementation Plan
 
-Status: in progress. Stages 1 through 19 are complete; follow Stage 20.
+Status: complete. Stages 1 through 20 are complete.
 The target executor is a Luna coding agent working through one end-to-end sprint.
 
 ## Authority, Baseline, And Execution
@@ -742,7 +742,7 @@ Documentation links and repository boundaries passed.
 **Finish:** current documentation describes implemented structure, with the
 roadmap/plan retaining future work and progress until release cleanup.
 
-## Stage 20 — Verify And Close The Combined Sprint
+## Stage 20 — Verify And Close The Combined Sprint (Complete)
 
 1. Search for obsolete import/input forwarding ladders, synthetic `Options`
    acquisition construction, `sourceVersionState.importDefaults`, discarded
@@ -763,6 +763,12 @@ roadmap/plan retaining future work and progress until release cleanup.
    messages. Report changes, checks, limitations, and any unrelated work retained.
    Do not tag, push, publish, or update consumer repositories in this sprint.
 
+Progress notes (2026-10-25): reviewed the combined request/acquisition/tier and
+traversal flow, the inheritance result handoff, and the shared reflection state
+owners. The named obsolete source-version field, synthetic acquisition-options
+construction, and inverse conversion symbols are absent; no additional cleanup
+was needed. The final development check and race-enabled full test suite passed.
+
 | Audit finding | Completion evidence |
 | --- | --- |
 | 1: imports | Stages 3–6 and 10–13 remove options reconstruction/default coupling and forwarding ladders; acquisition/scope/evidence owners and admission operations are clear. A and final checks pass. |