{
  "name": "Class Calm Meter",
  "short_name": "Calm Meter",
  "description": "Free classroom noise meter for teachers. Monitor class volume with rewards and character progression. No login or student data required.",
  "start_url": "/classroom-noise-meter",
  "scope": "/",
  "display": "standalone",
  "background_color": "#0C1E2C",
  "theme_color": "#87C232",
  "orientation": "any",
  "icons": [
    {
      "src": "https://trackedu.github.io/common-assets/teacherapp.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "https://trackedu.github.io/common-assets/teacherapp.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}