feat: add ApkTable component

app/download/__tests__/ApkTable.test.tsx

@@ -0,0 +1,38 @@
+import React from 'react';
+import { render, screen } from '@testing-library/react';
+import ApkTable from '../ApkTable';
+
+describe('ApkTable', () => {
+  const mockApks = [
+    {
+      name: 'ft_timeshift_0_42_57ef3a60d.apk',
+      commit: '57ef3a60d',
+      size: 15728640,
+      modifiedAt: '2026-03-04T14:30:00.000Z',
+      downloadUrl: '/api/download?project=FT&version=0_42&filename=ft_timeshift_0_42_57ef3a60d.apk',
+    },
+  ];
+
+  it('should render table with correct columns', () => {
+    render(<ApkTable apks={mockApks} />);
+
+    expect(screen.getByText('Commit ID')).toBeInTheDocument();
+    expect(screen.getByText('文件大小')).toBeInTheDocument();
+    expect(screen.getByText('创建时间')).toBeInTheDocument();
+  });
+
+  it('should render APK data correctly', () => {
+    render(<ApkTable apks={mockApks} />);
+
+    expect(screen.getByText('57ef3a60d')).toBeInTheDocument();
+    expect(screen.getByText('15.00 MB')).toBeInTheDocument();
+    expect(screen.getByText('2026-03-04 22:30')).toBeInTheDocument();
+    expect(screen.getByText('下载')).toBeInTheDocument();
+  });
+
+  it('should show empty state when no APKs', () => {
+    render(<ApkTable apks={[]} />);
+
+    expect(screen.getByText('暂无 APK 文件')).toBeInTheDocument();
+  });
+});