Simplify smoke report ownership

docs/roadmap/implementation.md

@@ -383,6 +383,12 @@ results also remain detached from metadata retained by the handle.
 
 ## Stage 14: Simplify Smoke Target And Public Report Detachment
 
+**Completed:** Smoke targets remain private through orchestration and public
+reports use the trusted outward projection; endpoint sanitization and credential
+redaction remain. Go 1.27.3 `go test ./internal/usecase . -run
+'Smoke|Diagnostic'` passed, including report isolation, cancellation, and
+diagnostic selection coverage.
+
 **Finding:** 5. **Files:** `internal/usecase/smoke_tester.go`,
 `smoke_diagnostics.go`, smoke conversion/ownership tests.