Fix add-filter placeholder state

frontend-modern/src/components/shared/FilterBar/AddFilterMenu.tsx

@@ -114,7 +114,7 @@ export const AddFilterMenu: Component<AddFilterMenuProps> = (props) => {
         aria-label="Filter"
         class={`${filterSelectClass} min-w-[9rem] disabled:cursor-not-allowed disabled:opacity-50`}
       >
-        <option value="" disabled>
+        <option value="">
           {isDisabled() ? 'No filters' : 'Add filter'}
         </option>
         <For each={selectableGroups()}>

frontend-modern/src/components/shared/FilterBar/FilterBar.test.tsx

@@ -57,6 +57,8 @@ describe('FilterBar', () => {
 
     expect(setType).toHaveBeenCalledWith('vm');
     const filterSelect = screen.getByRole('combobox', { name: 'Filter' });
+    expect(filterSelect).toHaveValue('');
+    expect(within(filterSelect).getByRole('option', { name: 'Add filter' })).toBeEnabled();
     expect(
       within(filterSelect).queryByRole('option', { name: 'Type: VMs' }),
     ).not.toBeInTheDocument();

frontend-modern/src/features/proxmox/ProxmoxRecoverableTable.tsx

@@ -242,6 +242,7 @@ export function ProxmoxRecoverableTable(props: {
                         class="border-t border-border bg-surface-alt px-3 py-1.5 text-[11px] font-semibold uppercase tracking-[0.14em] text-base-content"
                       >
                         {group.label}
+                        {' '}
                         <span class="ml-2 normal-case tracking-normal text-muted">
                           {group.items.length} {group.items.length === 1 ? 'backup' : 'backups'}
                         </span>

frontend-modern/src/features/proxmox/__tests__/ProxmoxBackupsTable.test.tsx

@@ -5,6 +5,7 @@ import { afterEach, describe, expect, it, vi } from 'vitest';
 
 import { ProxmoxBackupsTable } from '../ProxmoxBackupsTable';
 import type { Resource } from '@/types/resource';
+import { getRecoveryFullDateLabel } from '@/utils/recoveryDatePresentation';
 
 // ProxmoxBackupsTable reads URL search params (node/type scope filters), so it
 // must render inside a Router context.
@@ -143,6 +144,11 @@ describe('ProxmoxBackupsTable', () => {
     expect(screen.getByRole('columnheader', { name: /source/i })).toBeInTheDocument();
     expect(screen.getAllByText('PBS').length).toBeGreaterThan(0);
     expect(screen.getByText('main / minipc')).toBeInTheDocument();
+    expect(
+      screen.getByRole('cell', {
+        name: `${getRecoveryFullDateLabel('2026-05-25')} 3 backups`,
+      }),
+    ).toBeInTheDocument();
     expect(apiFetchMock).toHaveBeenCalledWith('/api/backups/pbs');
     expect(apiFetchMock).toHaveBeenCalledWith('/api/backups/pve');
   });