{
  "name": "Live Heart Rate Monitor",
  "short_name": "HR Monitor",
  "description": "Free browser-based heart rate monitor. Connect any Bluetooth HRM and track your training zones in real time.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#f3f2f0",
  "theme_color": "#fc4c02",
  "orientation": "any",
  "icons": [
    { "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" },
    { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ],
  "screenshots": [
    { "src": "/og-image.png", "sizes": "1200x630", "type": "image/png", "form_factor": "wide", "label": "Live Heart Rate Monitor dashboard" }
  ],
  "categories": ["health", "fitness", "sports"]
}