{ "name": "AI CAD", "short_name": "CAD", "start_url": "/", "scope": "/", "display": "standalone",
  "orientation": "portrait-primary", "background_color": "#0a3050", "theme_color": "#1971c2",
  "icons": [ { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
             { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" } ] }