{
  "name": "HVACchecker",
  "short_name": "HVACchecker",
  "description": "Check your HVAC system age by serial number — manufacturing date, age, and full specs in seconds.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#fff7ed",
  "theme_color": "#ea580c",
  "orientation": "portrait-primary",
  "icons": [
    {
      "src": "/apple-touch-icon.png",
      "sizes": "180x180",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/logo.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "/icon-512.svg",
      "sizes": "any",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ],
  "categories": ["utilities", "lifestyle"],
  "screenshots": []
}