test: add Stage 3-5 component and layout test coverage

Add tests for:
- PageLayout components: ContentCard, FilterCard, TableCard, TreeCard, PageLayout
- AuthLayout layout component
- LoginLogDetailDrawer and OperationLogDetailDrawer page components

All 518 tests pass across 82 test files.

frontend/admin/src/components/layout/PageLayout/TableCard.test.tsx

@@ -0,0 +1,40 @@
+import { render, screen } from '@testing-library/react'
+import { describe, expect, it } from 'vitest'
+
+import { TableCard } from './TableCard'
+
+vi.mock('antd', () => ({
+  Card: ({
+    children,
+    className,
+  }: {
+    children?: React.ReactNode
+    className?: string
+  }) => (
+    <div data-testid="card" data-class={className}>
+      {children}
+    </div>
+  ),
+}))
+
+describe('TableCard', () => {
+  it('renders children content', () => {
+    render(
+      <TableCard>
+        <div>table content</div>
+      </TableCard>,
+    )
+
+    expect(screen.getByText('table content')).toBeInTheDocument()
+  })
+
+  it('applies custom className', () => {
+    render(
+      <TableCard className="custom-table-class">
+        <div>content</div>
+      </TableCard>,
+    )
+
+    expect(screen.getByTestId('card')).toHaveAttribute('data-class', expect.stringContaining('custom-table-class'))
+  })
+})