feat(admin): 添加 S3 备份列表查看、下载和删除功能

- 在数据管理页面添加“查看备份”按钮，用于打开备份列表弹窗
- 新增 S3BackupModal 组件，展示备份文件列表，支持下载和删除操作
- 扩展 S3 工具类，支持列出、获取和删除 S3 对象
- 新增后端 API 接口：获取备份列表、删除备份、下载备份文件
- 为所有支持的语言添加相应的国际化文本

cwd-api/src/index.ts

@@ -36,7 +36,7 @@ import { getLikeStats } from './api/admin/likeStats';
 import { getFeatureSettings, updateFeatureSettings } from './api/admin/featureSettings';
 import { getTelegramSettings, updateTelegramSettings, setupTelegramWebhook, testTelegramMessage } from './api/admin/telegramSettings';
 import { getS3Settings, updateS3Settings } from './api/admin/s3Settings';
-import { triggerS3Backup } from './api/admin/triggerS3Backup';
+import { triggerS3Backup, listS3Backups, deleteS3BackupHandler, downloadS3BackupHandler } from './api/admin/triggerS3Backup';
 import { telegramWebhook } from './api/telegram/webhook';
 import { ensureSchema } from './utils/dbMigration';
 
@@ -345,6 +345,9 @@ app.post('/admin/settings/telegram/test', testTelegramMessage);
 app.get('/admin/settings/s3', getS3Settings);
 app.put('/admin/settings/s3', updateS3Settings);
 app.post('/admin/backup/s3', triggerS3Backup);
+app.get('/admin/backup/s3/list', listS3Backups);
+app.delete('/admin/backup/s3', deleteS3BackupHandler);
+app.get('/admin/backup/s3/download', downloadS3BackupHandler);
 
 app.get('/admin/settings/admin-display', async (c) => {
 	try {