This directory contains code that is shared between the frontend and backend.

• utils.ts - Shared types, interfaces, and utility functions

• UserInfo - User information (without sensitive data)
• LocationInfo - Location information
• AlertInfo - Alert information
• SignupRequest - Request body for signup
• LoginRequest - Request body for login
• AuthResponse - Response for authentication
• AddLocationRequest - Request body for adding a location

• OSUN_STATE_BOUNDS - Geographic boundaries of Osun State, Nigeria

• isInOsunState(latitude, longitude) - Check if coordinates are within Osun State
• formatDate(dateString) - Format a date string for display