Record namespace selector applicability and profile inspection behavior

docs/roadmap/future.md

@@ -111,6 +111,11 @@ Output-contract overrides and appended-message flags are deferred below.
 These are CLI features; general-purpose helpers for
 application-internal PromptKit use are outside CommandKit's ownership boundary.
 
+[Roadmap OD-3](promptkit-v0.19.0.md#od-3-namespace-flags-and-loader-defaults)
+records the agreed namespace-selector applicability, including the limited role
+of profile selection in requirements inspection. That selection follows the
+released upstream identity requirement; it does not change prompt dependencies.
+
 - **Focused backend inspection.** Defer a standard backend detail command
   until a released PromptKit version provides a suitable public backend
   inspection capability. The operator task is to inspect one backend's