feat: Enhance backend with request/SQL logging via morgan/winston and fix frontend by correctly rendering email Markdown content using the 'marked' library.

frontend/src/i18n/index.js

@@ -24,6 +24,20 @@ const messages = {
       selectMail: '请从选择一封邮件查看',
       from: '发件人',
       to: '收件人',
+      attachments: '附件',
+      delete: '删除',
+      clearInbox: '清空收件箱',
+      alerts: {
+        enterEmail: '请输入一个邮箱地址',
+        fetchFailed: '无法获取邮件，请检查后端服务和 Nginx 配置是否正常。',
+        confirmDelete: '确定要删除这封邮件吗？',
+        deleteFailed: '删除邮件失败。',
+        confirmClearAll: '确定要清空这个收件箱的所有邮件吗？此操作不可恢复。',
+        clearFailed: '清空收件箱失败。',
+        copyFailed: '复制失败!',
+        actionCancelled: '操作已取消',
+      },
+      newMailNotification: '收到新邮件！',
     }
   },
   en: {
@@ -49,6 +63,20 @@ const messages = {
       selectMail: 'Please select an email to view',
       from: 'From',
       to: 'To',
+      attachments: 'Attachments',
+      delete: 'Delete',
+      clearInbox: 'Clear Inbox',
+      alerts: {
+        enterEmail: 'Please enter an email address',
+        fetchFailed: 'Failed to fetch emails. Please check if the backend service and Nginx configuration are normal.',
+        confirmDelete: 'Are you sure you want to delete this email?',
+        deleteFailed: 'Failed to delete email.',
+        confirmClearAll: 'Are you sure you want to clear all emails in this inbox? This action cannot be undone.',
+        clearFailed: 'Failed to clear inbox.',
+        copyFailed: 'Copy failed!',
+        actionCancelled: 'Action cancelled',
+      },
+      newMailNotification: 'New mail received!',
     }
   },
 };