{
  "id": "/",
  "name": "Sound Pattern Playground",
  "short_name": "Sound Patterns",
  "description": "Collect three sounds, inspect their features, and challenge a transparent local classifier.",
  "start_url": "/?source=pwa&v=1",
  "scope": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#071311",
  "theme_color": "#071311",
  "categories": ["education", "music", "utilities"],
  "icons": [
    { "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icons/icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}