{
  "name": "算小豆 - 小学口算出题神器",
  "short_name": "算小豆",
  "description": "面向教师和家长的小学口算出题工具，覆盖人教版/北师大版1-6年级计算知识点，3步生成 A4 试卷，支持错题本、快速练习与多孩子档案。",
  "lang": "zh-CN",
  "id": "/",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "launch_handler": { "client_mode": "navigate-existing" },
  "orientation": "any",
  "background_color": "#ffffff",
  "theme_color": "#ffffff",
  "screenshots": [
    {
      "src": "/pwa-screenshot-wide.png",
      "sizes": "1280x720",
      "type": "image/png",
      "form_factor": "wide",
      "label": "算小豆出题界面：按年级知识点选题，三档难度，一键生成 A4 试卷"
    },
    {
      "src": "/pwa-screenshot-narrow.png",
      "sizes": "1080x1920",
      "type": "image/png",
      "form_factor": "narrow",
      "label": "算小豆手机版：随时随地为孩子生成口算练习"
    }
  ],
  "categories": ["education", "productivity"],
  "file_handlers": [
    {
      "action": "/",
      "accept": {
        "application/json": [".json"]
      },
      "icons": [{ "src": "/pwa-icon-192.png", "sizes": "192x192" }],
      "launch_type": "single-client"
    }
  ],
  "shortcuts": [
    {
      "name": "快速练习",
      "short_name": "快练",
      "description": "在线快速口算练习，即练即批",
      "url": "/quick-practice?source=shortcut",
      "icons": [{ "src": "/pwa-icon-192.png", "sizes": "192x192" }]
    },
    {
      "name": "错题本",
      "short_name": "错题本",
      "description": "查看错题、同类题重练与掌握标记",
      "url": "/wrong-book?source=shortcut",
      "icons": [{ "src": "/pwa-icon-192.png", "sizes": "192x192" }]
    }
  ],
  "icons": [
    {
      "src": "/pwa-icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/pwa-icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/pwa-icon-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}