export type ActivityLogLevel = | 'info' | 'success' | 'warning' | 'error'; export type ActivityLogSource = | 'desktop' | 'router' | 'backend' | 'vps'; export type ActivityLogEntry = { id: string; timestamp: string; level: ActivityLogLevel; source: ActivityLogSource; action: string; message: string; routerIp?: string; vpnIp?: string; };