diff --git a/docs/integrations/openai-compatible-chat.md b/docs/integrations/openai-compatible-chat.md
index 79c01c0..c05176d 100644
--- a/docs/integrations/openai-compatible-chat.md
+++ b/docs/integrations/openai-compatible-chat.md
@@ -70,7 +70,9 @@ and numeric `usage`; unrelated fields and account limits are ignored. This is
 only a minimal identifying subset of OpenRouter's documented
 [current-key response](https://github.com/OpenRouterTeam/docs/blob/main/api_reference/limits.mdx#checking-your-limits),
 not validation of the full account document. Other statuses and unrecognized
-200 responses do not establish acceptance.
+200 responses do not establish acceptance. A 200 response exceeding the bounded
+recognition allowance reports `authentication_response_limit_exceeded`, leaving
+credential acceptance unknown; see the [public reason](../../smoke_diagnostics.go).
 
 Diagnostic HTTP evidence describes the last request observed at Promptkit's
 RoundTripper boundary and any response associated with it. It includes the
diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 84e9fea..e67a0bf 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -860,6 +860,23 @@ post-change measurements are recorded without new performance guarantees, and
 no unapproved feature/policy/dependency changes or temporary harnesses are left
 in the repository. Follow normal commit policy; release preparation remains separate.
 
+Completion: all catalog entries are covered by the implementation and focused
+evidence recorded above, including comparable measurements for the selected
+optimizations. With Go 1.27.3, `GOTOOLCHAIN=local`, and `GOWORK=off`, the full
+offline `go test -race ./...` and `go vet ./...` passed. Tracked Go files are
+formatted; the diff has no whitespace errors; local Markdown targets and headings
+in changed documentation were checked. No benchmark overlays were retained in
+the repository. Release preparation, version selection, tagging, and publication
+remain separate work.
+
+Migration summary: successful artifact readers transfer returned mutable storage;
+convenience sources use ConfigKit's supported value forms; JSON Schemas must be
+self-contained; authentication overflow has an explicit diagnostic reason; and
+opaque prompt definition hashes may change, requiring cross-version caches or
+comparisons to be refreshed. See the [consumer guide](../consumers/pkg-promptkit.md),
+[migration guidance](../consumers/configuration-migration.md), and
+[format reference](../formats.md) for the applicable contracts.
+
 ## Catalog Coverage
 
 | Catalog finding | Owning stages |