Record recursive directory search completion

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Implementation Plan: Import Discovery and Dependency-Ready Ordering
 
-Status: Stages 1–10 complete; 9 implementation stages remain.
+Status: Stages 1–11 complete; 8 implementation stages remain.
 
 ## Authority, baseline, and execution
 
@@ -457,6 +457,12 @@ zero/omission are unlimited subject to existing budgets, and depth requires
 effective recursion. Cover application-enabled recursion, explicit false,
 large depth integers, empty searches, and limits using test-controlled budgets.
 
+Completion: implemented in commit `77d9729` (`Add recursive directory search
+with depth limits`). Verified with recursive depth/limit tests, existing glob
+tests, the full engine suite and race suite, `go vet ./...`, `go build ./...`,
+and `git diff --check`. The everyday check still reaches only the consumer
+sequence-order expectations reserved for Stage 18. Stage 12 onward remains.
+
 ## Stage 12 — Add discovery symlink and hidden controls
 
 Implement `follow`/`hidden` for directory discovery using capability-aware