feat: 同步管理端、用户端与后端业务，并接通线上 Web 接口

补齐平台订阅、外部登录、CRM 同步与用户端页面；Nginx 转发用户端接口，登录页使用 Google 与 Apple 标志。

Co-authored-by: Cursor <cursoragent@cursor.com>

admin/tests/crm-leads.test.ts

@@ -59,3 +59,59 @@ test('3. crm/leads locale 必须包含中英文案', () => {
   assert.ok(content.includes('crmLeads.status.new'), '必须包含状态文案');
   assert.ok(content.includes('crmLeads.source.ai_chat'), '必须包含来源文案');
 });
+
+test('4. crm/leads 导出必须调用 batchExport，空数据不落盘', () => {
+  const content = fs.readFileSync(leadsPagePath, 'utf-8');
+  const localeContent = fs.readFileSync(leadsLocalePath, 'utf-8');
+
+  assert.ok(
+    content.includes('admin/crm/lead/batchExport'),
+    '必须请求 POST /api/admin/crm/lead/batchExport'
+  );
+  assert.ok(
+    content.includes('crmLeads.export') || content.includes("t['crmLeads.export"),
+    '必须有导出按钮文案'
+  );
+  assert.ok(
+    content.includes('crmLeads.export.empty'),
+    '空数据必须提示 crmLeads.export.empty'
+  );
+  assert.ok(
+    /exportCount\s*<=\s*0|list\.length\s*===\s*0/.test(content),
+    '必须判断空导出，禁止空表头落盘冒充成功'
+  );
+  assert.ok(
+    /crmLeads\.export\.empty[\s\S]{0,120}return|Message\.info\([\s\S]{0,80}export\.empty[\s\S]{0,40}return/.test(
+      content
+    ),
+    '空数据提示后必须 return，禁止继续下载'
+  );
+  assert.ok(
+    content.includes('createObjectURL') || content.includes('Blob'),
+    '有数据时必须下载 csv/xlsx'
+  );
+  assert.ok(
+    content.includes('.csv') || content.includes('.xlsx'),
+    '下载文件必须是 csv 或 xlsx'
+  );
+  assert.ok(
+    !content.includes('Alex') &&
+      !content.includes('John Doe') &&
+      !content.includes('示例客户') &&
+      !content.includes('张三') &&
+      !content.includes('假客户'),
+    '禁止前端写死示例客户冒充导出成功'
+  );
+
+  for (const key of [
+    'crmLeads.export',
+    'crmLeads.export.empty',
+    'crmLeads.export.success',
+    'crmLeads.export.fail',
+  ]) {
+    assert.ok(localeContent.includes(key), `locale 必须包含 ${key}`);
+  }
+  assert.ok(localeContent.includes("'en-US'"), 'locale 必须含 en-US');
+  assert.ok(localeContent.includes("'zh-CN'"), 'locale 必须含 zh-CN');
+  assert.ok(localeContent.includes("'ar-SA'"), 'locale 必须含 ar-SA');
+});