Record final import wiring completion

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Implementation Plan: Import Discovery and Dependency-Ready Ordering
 
-Status: Stages 1–13 complete; 6 implementation stages remain.
+Status: Stages 1–14 complete; 5 implementation stages remain.
 
 ## Authority, baseline, and execution
 
@@ -542,6 +542,13 @@ Acceptance: all engine imports, glob, destinations, source-version, and layered
 tests pass under final syntax. An explicit regression rejects `optional`;
 another proves missing imports are optional without setup. Run everyday checks.
 
+Completion: implemented in commit `1e5bffc` (`Wire final import declarations
+through loading`). Verified with `go test ./internal/engine -count=1`,
+`go test -race ./internal/engine`, `go vet ./...`, `go build ./...`, the local
+documentation-link test, and `git diff --check`. `./scripts/check.sh` reaches
+only the two prompt-catalog sequence-order expectations reserved for Stage 18.
+Stage 15 onward remains.
+
 ## Stage 15 — Retain no-selection evidence across load outcomes
 
 Add the private records from the settled inspection design to declaring source