{
  "name": "Astrophotography Session Planner",
  "short_name": "AstroPlanner",
  "description": "Plan astrophotography sessions: target visibility, FOV preview, frame plan, calibration, and timeline — all client-side, works offline.",
  "start_url": ".",
  "scope": ".",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#0b1726",
  "theme_color": "#0b1726",
  "categories": ["utilities", "productivity"],
  "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-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}