feat(ui): simplify fleet cards by moving edit/delete into detail

Hide instance IDs and config/delete controls on overview cards; keep
service/system restart only, with edit still available from detail.

apps/web/src/instances/instance-detail.test.tsx

@@ -60,6 +60,9 @@ describe('InstanceDetail', () => {
     expect(screen.getByText('已认证')).toBeTruthy();
     expect(screen.getByText('数据最新')).toBeTruthy();
     expect(links.map((link) => link.textContent)).toEqual(['仪表盘', '短信']);
+    expect(screen.getByRole('link', { name: '编辑实例' }).getAttribute('href')).toBe(
+      '/settings/instances/owner',
+    );
   });
 
   it('uses the business titles for both primary pages', () => {