boris/src/main.tsx

import React from 'react'
import ReactDOM from 'react-dom/client'
import App from './App.tsx'
import './index.css'

// Register Service Worker for PWA functionality
if ('serviceWorker' in navigator) {
  window.addEventListener('load', () => {
    navigator.serviceWorker
      .register('/sw.js', { type: 'module' })
      .then(registration => {
        console.log('✅ Service Worker registered:', registration.scope)
        
        // Check for updates periodically
        setInterval(() => {
          registration.update()
        }, 60 * 60 * 1000) // Check every hour
        
        // Handle service worker updates
        registration.addEventListener('updatefound', () => {
          const newWorker = registration.installing
          if (newWorker) {
            newWorker.addEventListener('statechange', () => {
              if (newWorker.state === 'installed' && navigator.serviceWorker.controller) {
                // New service worker available
                console.log('🔄 New version available! Reload to update.')
                
                // Optionally show a toast notification
                const updateAvailable = new CustomEvent('sw-update-available')
                window.dispatchEvent(updateAvailable)
              }
            })
          }
        })
      })
      .catch(error => {
        console.error('❌ Service Worker registration failed:', error)
      })
  })
}

ReactDOM.createRoot(document.getElementById('root')!).render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
)