{
  "name": "Cold File Protocol · Detective",
  "short_name": "Cold File",
  "lang": "zh-CN",
  "categories": ["games", "entertainment"],
  "description": "Programmatically generated detective puzzles across 5 themes",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#020617",
  "theme_color": "#06b6d4",
  "orientation": "portrait-primary",
  "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" }
  ]
}