{
  "name": "Signalfire — Offline Emergency Signal",
  "short_name": "Signalfire",
  "description": "Offline emergency signal app. SOS, Alpine, rescue whistle, ground-to-air, HELP, medical, torch, GPS. No login, works without network.",
  "start_url": "/",
  "id": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#000000",
  "theme_color": "#000000",
  "categories": ["utilities", "safety", "navigation", "travel"],
  "lang": "en",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}