feat: change backup format to plain SQL, admin-only cron, backup now button, import restore UI

apps/Frontend/src/pages/database-management-page.tsx

@@ -14,6 +14,7 @@ import { useMutation, useQuery } from "@tanstack/react-query";
 import { apiRequest, queryClient } from "@/lib/queryClient";
 import { formatDateToHumanReadable } from "@/utils/dateUtils";
 import { BackupDestinationManager } from "@/components/database-management/backup-destination-manager";
+import { ImportDatabaseSection } from "@/components/database-management/import-database-section";
 
 export default function DatabaseManagementPage() {
   const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
@@ -260,6 +261,9 @@ export default function DatabaseManagementPage() {
         {/* Externa Drive automatic backup manager */}
         <BackupDestinationManager />
 
+        {/* Import / Restore Database */}
+        <ImportDatabaseSection />
+
         {/* Database Status Section */}
         <Card>
           <CardHeader>