diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index c1f2f64..4a96196 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -726,12 +726,20 @@ remain.
   the local workspace. The root module includes its core example, backend, and
   release-tool packages; each integration suite includes its maintained
   consumer example.
-- Workspace-off suites passed for all three modules with `GOWORK=off
-  GOTOOLCHAIN=local` and `-mod=readonly`. Integration checks used disposable
-  `go.mod`/`go.sum` pairs outside the repository, temporary local replacements
-  only for unpublished core/ckconfig prerequisites, and no distributed manifest
-  changes. Their isolated `go list -m all` and `go list -deps -test ./...`
-  checks passed.
+- Workspace-off results for core and ckconfig used `GOWORK=off
+  GOTOOLCHAIN=local` and `-mod=readonly`; isolated module and package/import
+  enumeration also passed. The original ckprompt result did not establish
+  compatibility with its committed manifest: review finding
+  [R-5](remediation.md#r-5-validate-the-committed-ckprompt-manifest-without-an-extra-test-only-yaml-api)
+  found a test-only YAML v3 import requiring additional manifest tidying.
+- After the R-5 import repair, fresh copied ckprompt manifests passed
+  `go test -count=1 ./...`, `go list -m all`, and `go list -deps -test ./...`
+  with `GOWORK=off GOTOOLCHAIN=local` and `-mod=readonly` on Go 1.26.8. These
+  copies added only temporary replacements for unpublished core/ckconfig
+  prerequisites, were not tidied, and retained their exact manifest/sum bytes
+  throughout validation. Distributed metadata needed no changes. The results
+  prove compatibility with local prerequisite sources, not future tag
+  availability.
 - The isolated ckprompt graph selects PromptKit v0.14.0 and ConfigKit v0.7.1;
   ckconfig selects ConfigKit v0.7.1 without ckprompt or PromptKit. Core imports
   neither optional integration nor ConfigKit/PromptKit through production,
diff --git a/docs/roadmap/remediation.md b/docs/roadmap/remediation.md
index 80db1b2..81651c8 100644
--- a/docs/roadmap/remediation.md
+++ b/docs/roadmap/remediation.md
@@ -1,6 +1,6 @@
 # CommandKit implementation review remediation
 
-Status: R-1 through R-4 are complete; R-5 and R-6 are open. This document
+Status: R-1 through R-5 are complete; R-6 is open. This document
 tracks required follow-up work and its completion evidence.
 
 ## ConfigKit review baseline and scope
@@ -224,11 +224,12 @@ acknowledged validation limitation, not a reason to add test-only public hooks.
 
 ## R-5: Validate the committed ckprompt manifest without an extra test-only YAML API
 
-**Status:** Open. **Priority:** Medium. **Category:** Distribution validation gap /
+**Status:** Complete. **Priority:** Medium. **Category:** Distribution validation gap /
 dependency consistency.
 
-**Evidence:** [comparison_composition_test.go](../../integrations/ckprompt/comparison_composition_test.go)
-imports `gopkg.in/yaml.v3` at line 17. This import was introduced by `f7b1d2c`;
+**Evidence:** At the review baseline,
+[comparison_composition_test.go](../../integrations/ckprompt/comparison_composition_test.go)
+imported `gopkg.in/yaml.v3` at line 17. This import was introduced by `f7b1d2c`;
 the [ckprompt manifest](../../integrations/ckprompt/go.mod) declares the existing
 `go.yaml.in/yaml/v4` dependency instead. The other ckprompt reports and tests use
 that existing API. The new comparison test needs only ordinary YAML decoding,
@@ -279,6 +280,18 @@ replacements pass `go list -deps -test ./...` and the ckprompt suite in
 workspace-off read-only mode. The test uses the existing YAML API, and any
 necessary metadata changes are tracked with accurate validation evidence.
 
+**Completed 2026-10-12:** The comparison consumer test now uses the already
+declared `go.yaml.in/yaml/v4` API. Fresh copies of the distributed ckprompt
+`go.mod` and `go.sum`, augmented only with replacements for unpublished core and
+ckconfig prerequisites, passed `go list -m all`, `go list -deps -test ./...`, and
+`go test -count=1 ./...` with `GOWORK=off GOTOOLCHAIN=local` and `-mod=readonly`
+on Go 1.26.8. The suite includes the composed consumer. Validation performed no
+tidy; both disposable files remained byte-for-byte unchanged after the checks.
+Distributed manifests, sums, and legitimate transitive YAML v3 notices needed
+no changes. Stage 12 now records this corrected committed-metadata evidence;
+local replacements establish source compatibility, not unpublished tag
+availability. Formatting and documentation checks passed.
+
 ## R-6: Test comparison capability membership rather than its slice position
 
 **Status:** Open. **Priority:** Low. **Category:** Inadvertently strengthened
diff --git a/integrations/ckprompt/comparison_composition_test.go b/integrations/ckprompt/comparison_composition_test.go
index 6a4b42e..fa4e9e9 100644
--- a/integrations/ckprompt/comparison_composition_test.go
+++ b/integrations/ckprompt/comparison_composition_test.go
@@ -14,7 +14,7 @@ import (
 	"gitea.maximumdirect.net/eric/CommandKit/integrations/ckprompt"
 	configkit "gitea.maximumdirect.net/eric/ConfigKit"
 	promptkit "gitea.maximumdirect.net/eric/promptkit"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 )
 
 func TestPublicConfigDiffUsesPromptKitPairAndPreparedInputs(t *testing.T) {