Record RakestrawHome diagnostic catalog candidate

docs/roadmap/implementation.md

@@ -333,6 +333,12 @@ Scope: `../promptkit-backend-rakestrawhome` only, plus this plan's completion re
 Validate: the same local catalog checks, without provider access or publication.
 Both catalog changes must be complete before PromptKit selects their new roots.
 
+**Completed: 2026-10-13.** RakestrawHome candidate `v3.20261013.0` points to
+peeled commit `d40a8aad50111c15d279469170f7b5032ac22529`. Validation passed:
+`GOWORK=off GOPROXY=off go test ./...`, `go test -race ./...`, `go vet ./...`,
+`go build ./...`, formatting, `git diff --check`, and module identity via
+`go list -m`. The annotated tag is local only; no publication or push was made.
+
 ## Stage 6: Adopt Exact Catalog Candidates Through Local Module Resolution
 
 Scope: `internal/catalog`, module pins/checksums, attribution, integration tests;