feat: add client IP diagnostics and blocking

back/shared/i18n.ts

@@ -98,6 +98,9 @@ const messages: Record<string, Record<string, string>> = {
       'Log name can only contain letters, numbers, underscores, and hyphens',
     '日志名称不能超过100个字符': 'Log name cannot exceed 100 characters',
     '错误的用户名密码，请重试': 'Incorrect username or password, please try again',
+    '该 IP 已被列入黑名单': 'This IP address has been blocked',
+    '已加入 IP 黑名单': 'IP address added to the blacklist',
+    '已移出 IP 黑名单': 'IP address removed from the blacklist',
     '青龙快讯': 'QingLong',
     '登录通知': 'Login Notification',
     '你于': 'You at ',