diff --git a/docs/roadmap/configkit.md b/docs/roadmap/configkit.md
index 87d9af6..1fd0463 100644
--- a/docs/roadmap/configkit.md
+++ b/docs/roadmap/configkit.md
@@ -1,8 +1,8 @@
 # ConfigKit v1 Adoption And Identified Resource Collections
 
-Status: accepted direction; implementation in progress. The target below includes
-the agreed execution-owned normalization adjustment for ConfigKit v1.0.0.
-Current consumer documentation remains authoritative for supported behavior.
+Status: complete. The implemented result includes the agreed execution-owned
+normalization adjustment for ConfigKit v1.0.0. Current consumer documentation
+remains authoritative for supported behavior.
 
 The companion [implementation plan](implementation.md) owns the ordered sprint
 steps and validation assignments.
@@ -24,9 +24,10 @@ PromptKit interprets the final effective configuration and owns resource meaning
 ## Pre-Migration Baseline
 
 Before this migration, the repository declared Go 1.26.0 and depended on
-`gitea.maximumdirect.net/eric/ConfigKit` v0.8.0. The
+`gitea.maximumdirect.net/eric/ConfigKit` v0.8.0. The following describes that
+historical baseline; the current
 [format reference](../formats.md) and [source adapter overview](../internal/sources.md)
-describe the implemented behavior:
+describe the migrated behavior:
 
 - Root `prompts`, `profiles`, and `backends` are mappings keyed by local ID.
   `collections` is a namespace-keyed mapping whose entries contain the same
diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 418761f..3c6a31b 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -1,6 +1,6 @@
 # ConfigKit v1 And Identified Resources Implementation Plan
 
-Status: implementation in progress; resume with Stage 11's normalization recovery.
+Status: complete.
 
 Implement the accepted [feature roadmap](configkit.md) as one end-to-end sprint.
 Each sequentially numbered stage is one prompt-sized assignment for a Luna
@@ -917,6 +917,15 @@ Scope: acceptance review and residual corrections, not another feature stage.
 Validation: the acceptance trace, integrated checks above, and reviewed final
 diff establish sprint completion; intermediate checks alone do not.
 
+Completion: traced the dependency, identities, composition, interpretation,
+origins, sensitivity, public builders, removed labels, and runtime behavior to
+the implementation and owning tests. Added a focused check that nested `config`
+remains application data. On Go 1.27.0, the full race-enabled suite, `go vet
+./...`, and the three-example semantic checker passed; the added check also
+passed under the race detector. Reviewed current-source searches, module graph,
+local link targets, formatting, and `git diff --check`. No workspace or local
+dependency replacement is committed. Publication remains separate.
+
 ## Open Questions
 
 None required to begin the sprint. The accepted roadmap settles module identity,
diff --git a/internal/configuration/load_test.go b/internal/configuration/load_test.go
index 806ded7..e8c31cb 100644
--- a/internal/configuration/load_test.go
+++ b/internal/configuration/load_test.go
@@ -360,6 +360,22 @@ func TestLoadRejectsMalformedHeadersAndLegacyResourceMappings(t *testing.T) {
 	}
 }
 
+func TestNestedConfigRemainsApplicationData(t *testing.T) {
+	state, err := load(mapping("nested config", map[string]any{
+		"config": map[string]any{},
+		"profiles": []any{map[string]any{"id": "example", "extra_params": map[string]any{
+			"config": map[string]any{"imports": "provider data"},
+		}}},
+	}), nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	profile, err := state.GetProfile(context.Background(), "example")
+	if err != nil || profile.ResolvedTarget.ExtraParams["config"].(map[string]any)["imports"] != "provider data" {
+		t.Fatalf("nested application data = %+v, %v", profile, err)
+	}
+}
+
 func TestLoadConsumesAcceptedUnderlayVersionAndValidatesHeaderlessPayload(t *testing.T) {
 	underlay := mapping("declared underlay", map[string]any{
 		"version": int64(2),