Add product-area presentation to Views

src/govoplan_views/backend/manifest.py

@@ -344,7 +344,7 @@ manifest = ModuleManifest(
                 "View safeguards, and the difference between visibility and access."
             ),
             body=(
-                "A View definition owns immutable revisions of visible surface IDs. "
+                "A View definition owns immutable revisions of visible surface IDs and presentation metadata. "
                 "Publishing makes the latest revision assignable. Available assignments "
                 "let users opt in, defaults apply until changed, and required assignments "
                 "cannot be left. User and group assignments take precedence over tenant "
@@ -356,6 +356,9 @@ manifest = ModuleManifest(
                 "that system policy made unavailable or the tenant disabled. Saved references "
                 "to such surfaces remain in immutable revisions and are reported as stale. "
                 "Inherited definitions or assignments must be changed in their owning scope."
+                " Product-area grouping, ordering, and labels are presentation metadata in the same revision; "
+                "they cannot expose a hidden surface or grant authority. Grouped navigation is the sensible default, "
+                "while flat navigation preserves the complete authorized tool rail."
             ),
             documentation_types=("admin",),
             audience=("administrator", "power_user", "workflow_designer"),
@@ -378,6 +381,8 @@ manifest = ModuleManifest(
                     "views.field.name",
                     "views.field.description",
                     "views.field.surfaces",
+                    "views.field.product-areas",
+                    "views.field.navigation-layout",
                     "views.field.assignment-target",
                     "views.field.assignment-mode",
                     "views.field.assignment-priority",