{
  "name": "PreSay",
  "short_name": "PreSay",
  "description": "面向中文母语者的 AI 英语表达与口语练习工具：确认中文后生成英文，并通过双语阅读、表达解析、原音示范、分段录音与整篇表现评估完成练习。",
  "id": "/",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#f5f7fa",
  "theme_color": "#6f89d6",
  "lang": "zh-CN",
  "dir": "ltr",
  "icons": [
    {
      "src": "/pwa-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/pwa-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/pwa-512-maskable.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}