feat: Implement date formatting utility functions and update components to use formatted timestamps for improved readability and consistency across the application.

frontend/src/components/ErrorAlert.jsx

@@ -1,5 +1,6 @@
 import { IconAlertTriangle, IconCopy, IconRefresh, IconChevronDown, IconChevronUp } from '@tabler/icons-react'
 import { useState } from 'react'
+import { formatDateTime } from '../lib/datetime.js'
 
 /**
  * ErrorAlert - улучшенный компонент для отображения ошибок
@@ -29,7 +30,7 @@ function ErrorAlert({
 Ошибка: ${errorMessage}
 ${errorCode ? `Код: ${errorCode}` : ''}
 ${errorDetails ? `Детали:\n${typeof errorDetails === 'string' ? errorDetails : JSON.stringify(errorDetails, null, 2)}` : ''}
-Время: ${new Date().toLocaleString('ru-RU')}
+Время: ${formatDateTime(new Date())}
     `.trim()
 
     navigator.clipboard.writeText(errorText).then(() => {