{
  "name": "PipePro B31.3 Design Assistant",
  "short_name": "PipePro B31.3",
  "description": "Offline-first engineering decision support and training for ASME B31.3 piping workflows, material specifications, reports, and engineering review.",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#0F172A",
  "theme_color": "#0F172A",
  "categories": ["productivity", "utilities", "engineering"],
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" },
    { "src": "/apple-touch-icon.png", "sizes": "180x180", "type": "image/png", "purpose": "any" }
  ]
}