Added account permissions and ui for recipient

frontend/pweb/lib/services/mock_ids.dart

@@ -0,0 +1,12 @@
+// Centralized identifiers for mock auth/permission data to keep the
+// mock services in sync and make it easy to swap in a real API later.
+const String mockOrganizationRef = 'org-sendico';
+
+const String companyRoleId = 'role-company';
+const String recipientRoleId = 'role-recipient';
+
+const String companyAccountRef = 'account-company';
+const String recipientAccountRef = 'account-recipient';
+
+const String accountsPolicyDescriptionId = 'policy-accounts';
+const String rolesPolicyDescriptionId = 'policy-roles';