fix(waf): complete geography match options

Use full country and ISO subdivision data, show localized country names with codes, and add searchable region selection.

frontend/app/(main)/waf/rules/editor/components/node-properties.test.tsx

@@ -52,7 +52,7 @@ it('creates any normalized valid geography code', async () => {
   const onChange = vi.fn();
   render(<NodeProperties node={node} ipGroups={[]} onChange={onChange} />);
   fireEvent.click(screen.getByRole('button', { name: '国家代码' }));
-  fireEvent.change(await screen.findByPlaceholderText('输入代码并添加'), {
+  fireEvent.change(await screen.findByPlaceholderText('搜索名称或代码'), {
     target: { value: 'nz' },
   });
   fireEvent.click(screen.getByRole('button', { name: '添加代码' }));
@@ -62,3 +62,17 @@ it('creates any normalized valid geography code', async () => {
     }),
   );
 });
+
+it('shows localized country names together with their codes', async () => {
+  const node: WAFRuleNode = {
+    id: 'geo',
+    type: 'geo_match',
+    position: { x: 0, y: 0 },
+    config: { countries: [], regions: [] },
+  };
+  render(<NodeProperties node={node} ipGroups={[]} onChange={vi.fn()} />);
+  fireEvent.click(screen.getByRole('button', { name: '国家代码' }));
+  expect(await screen.findByText('中国')).toBeInTheDocument();
+  expect(screen.getByText('CN')).toBeInTheDocument();
+  expect(screen.getByText(/共 249 个国家\/地区/)).toBeInTheDocument();
+});