{
  "name": "Sutong OA System",
  "short_name": "Sutong OA",
  "id": "/",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "launch_handler": { "client_mode": "navigate-existing" },
  "handle_links": "preferred",
  "orientation": "portrait",
  "theme_color": "#4d6280",
  "background_color": "#fafbfc",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}