{
  "name": "AI Train Sim - MSTS Activities",
  "short_name": "AI Train Sim",
  "description": "Installable OpenRails/MSTS activity library with approvals, downloads, notifications, and offline support.",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "background_color": "#050914",
  "theme_color": "#2563eb",
  "categories": ["games", "education", "utilities"],
  "icons": [
    { "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
    { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}