Route help and version through the reporter

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Invocation reporting implementation plan
 
-Status: Stages 1–7 complete. Stage 8 is next.
+Status: Stages 1–8 complete. Stage 9 is next.
 
 ## Objective and authority
 
@@ -317,7 +317,7 @@ selection, quiet usage guidance, early errors, and ignored output failures.
 
 ## Stage 8: Migrate help and version presentation
 
-Status: pending.
+Status: complete.
 
 Primary files: [builtins.go](../../builtins.go), help metadata/rendering,
 and built-in consumer tests.
@@ -340,6 +340,13 @@ alias-only discovery, shared reporting flags, invalid help/version requests,
 factory-free behavior, and help/version destination failures. Invalid requests
 remain usage outcomes unless presentation subsequently fails.
 
+Help and version reports now render through the invocation reporter, including
+quiet-mode rendering and destination-failure accounting. Tests cover quiet
+success, canonical and alias help, alias-only discovery, invalid requests, and
+destination failures. The internal suites pass; root-package execution remains
+deferred because the existing external test package still references APIs
+scheduled for the later suite reconciliation.
+
 ## Stage 9: Add core debug events
 
 Status: pending.