Migrate PromptKit validation and smoke reporting

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Invocation reporting implementation plan
 
-Status: Stages 1–14 complete. Stage 15 is next.
+Status: Stages 1–15 complete. Stage 16 is next.
 
 ## Objective and authority
 
@@ -569,7 +569,7 @@ Stage 20 will validate the assembled module.
 
 ## Stage 15: Migrate request validation and smoke commands
 
-Status: pending.
+Status: complete.
 
 Primary files:
 [validation_command.go](../../integrations/ckprompt/validation_command.go) and
@@ -599,6 +599,15 @@ bindings, reports alongside errors, diagnostic ordering, cancellation,
 render/write failures, and quiet semantics. Test CommandKit coordination,
 not whether PromptKit's validation or smoke checks implement their domain rules.
 
+Concrete request validation and PromptKit smoke commands now submit passive
+messages through the reporter and render confirmation, native, and aggregate
+reports inside managed output. Smoke reports remain available alongside
+operation failures, with native explanations and causes retained separately;
+aggregate collection order and shared input/state lifetimes remain covered.
+`GOTOOLCHAIN=local go test -count=1 .` passes in `integrations/ckprompt`. The
+module-wide `go test ./...` reaches and passes that package but cannot compile
+`examples/composed`, whose legacy API callers are scheduled for Stage 17.
+
 ## Stage 16: Maintain a core reporting consumer
 
 Status: pending.