✨ feat: Add console announcements and FAQ management system

- Add SettingsAnnouncements component with full CRUD operations for system announcements
  * Support multiple announcement types (default, ongoing, success, warning, error)
  * Include publish date, content, type classification and additional notes
  * Implement batch operations and pagination for better data management
  * Add real-time preview with relative time display and date formatting

- Add SettingsFAQ component for comprehensive FAQ management
  * Support question-answer pairs with rich text content
  * Include full editing, deletion and creation capabilities
  * Implement batch delete operations and paginated display
  * Add validation for complete Q&A information

- Integrate announcement and FAQ modules into DashboardSetting
  * Add unified configuration interface in admin console
  * Implement auto-refresh functionality for real-time updates
  * Add loading states and error handling for better UX

- Enhance backend API support in controller and setting modules
  * Add validation functions for console settings
  * Include time and sorting utilities for announcement management
  * Extend API endpoints for announcement and FAQ data persistence

- Improve frontend infrastructure
  * Add new translation keys for internationalization support
  * Update utility functions for date/time formatting
  * Enhance CSS styles for better component presentation
  * Add icons and visual improvements for announcements and FAQ sections

This implementation provides administrators with comprehensive tools to manage
system-wide announcements and user FAQ content through an intuitive console interface.

web/src/components/settings/DashboardSetting.js

@@ -2,10 +2,14 @@ import React, { useEffect, useState } from 'react';
 import { Card, Spin } from '@douyinfe/semi-ui';
 import { API, showError } from '../../helpers';
 import SettingsAPIInfo from '../../pages/Setting/Dashboard/SettingsAPIInfo.js';
+import SettingsAnnouncements from '../../pages/Setting/Dashboard/SettingsAnnouncements.js';
+import SettingsFAQ from '../../pages/Setting/Dashboard/SettingsFAQ.js';
 
 const DashboardSetting = () => {
   let [inputs, setInputs] = useState({
     ApiInfo: '',
+    Announcements: '',
+    FAQ: '',
   });
 
   let [loading, setLoading] = useState(false);
@@ -49,6 +53,16 @@ const DashboardSetting = () => {
         <Card style={{ marginTop: '10px' }}>
           <SettingsAPIInfo options={inputs} refresh={onRefresh} />
         </Card>
+
+        {/* 系统公告管理 */}
+        <Card style={{ marginTop: '10px' }}>
+          <SettingsAnnouncements options={inputs} refresh={onRefresh} />
+        </Card>
+
+        {/* 常见问答管理 */}
+        <Card style={{ marginTop: '10px' }}>
+          <SettingsFAQ options={inputs} refresh={onRefresh} />
+        </Card>
       </Spin>
     </>
   );