Retire completed comparison roadmaps

docs/policy/architecture.md

@@ -87,6 +87,8 @@ directly.
   outcomes only; a failed batch notification is represented separately at the
   batch level.
 - Comparison never invokes Distributor notification.
+- Profile comparison supports operator review only: it does not score, rank,
+  select, resample, or replay profile executions.
 - Default tests are deterministic, offline, and use Promptkit/provider fakes
   rather than live provider calls. See the [testing policy](testing.md).