{
  "name": "GChat - Serverless Real-time Chat",
  "short_name": "GChat",
  "description": "WhatsApp-like chat using GitHub backend. Works offline, notifications.",
  "start_url": "./",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#25D366",
  "icons": [
    {
      "src": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA... (placeholder 192x192 WhatsApp icon base64)",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
"src": "icons/icon-512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}