feat: align scheduling with shared UI foundations

src/govoplan_scheduling/backend/manifest.py

@@ -17,6 +17,7 @@ from govoplan_core.core.modules import (
     ModuleManifest,
     NavItem,
     PermissionDefinition,
+    ProductAreaContribution,
     PublicFrontendRoute,
     RoleTemplate,
 )
@@ -313,6 +314,17 @@ manifest = ModuleManifest(
             ),
         ),
         nav_items=(NavItem(path="/scheduling", label="Scheduling", icon="calendar-clock", required_any=(READ_SCOPE,), order=56),),
+        product_areas=(
+            ProductAreaContribution(
+                id="meetings-decisions",
+                module_id=MODULE_ID,
+                label="i18n:govoplan-core.product_area.meetings_decisions",
+                icon="calendar",
+                description="i18n:govoplan-core.product_area.meetings_decisions_description",
+                surface_ids=("scheduling.nav.scheduling", "scheduling.route.scheduling"),
+                order=50,
+            ),
+        ),
         view_surfaces=(
             ViewSurface(
                 id="scheduling.widget.open-requests",