Frontend: unified 3-column contacts page (folder tree | list/table/cards | detail), all Rentman fields, ContactPerson CRUD, removed old Contact/Company pages

frontend/src/__tests__/dashboard/Dashboard.test.tsx

@@ -5,8 +5,10 @@ import { MemoryRouter } from 'react-router-dom';
 import { DashboardPage } from '@/pages/Dashboard';
 
 vi.mock('@/api/hooks', () => ({
-  useCompanies: () => ({ data: { items: [], total: 24 }, isLoading: false }),
-  useContacts: () => ({ data: { items: [], total: 156 }, isLoading: false }),
+  useUnifiedContacts: (page: number, pageSize: number, search: any, type: string) => ({
+    data: { items: [], total: type === 'company' ? 24 : 156, page: 1, page_size: 25 },
+    isLoading: false,
+  }),
   useAuditLog: () => ({
     data: {
       items: [