{
  "name": "Knock.at - Private Voice & Free Calling",
  "short_name": "Knock",
  "description": "Zero-airtime free calling, verified celebrity voice passes, and private calling links.",
  "start_url": "/?utm_source=pwa",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#06090f",
  "theme_color": "#0284c7",
  "categories": ["utilities", "productivity", "social"],
  "icons": [
    {
      "src": "/favicon.svg",
      "sizes": "48x48 72x72 96x96 128x128 256x256 512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    },
    {
      "src": "/icons/knock-logo.svg",
      "sizes": "512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ],
  "shortcuts": [
    {
      "name": "Keypad & Free USSD",
      "short_name": "Keypad",
      "description": "Dial South African numbers for free",
      "url": "/?tab=keypad"
    },
    {
      "name": "Host Dashboard",
      "short_name": "Host",
      "description": "Manage verified voice lines and active calls",
      "url": "/host"
    },
    {
      "name": "Sponsor Portal",
      "short_name": "Admin",
      "description": "Telemetry & campaign analytics",
      "url": "/admin"
    }
  ],
  "protocol_handlers": [
    {
      "protocol": "web+knock",
      "url": "/?knock=%s"
    },
    {
      "protocol": "tel",
      "url": "/?tel=%s"
    },
    {
      "protocol": "callto",
      "url": "/?tel=%s"
    }
  ]
}