{
  "name": "树屋板演录课",
  "short_name": "录课",
  "description": "边写边讲：图片 / PDF 拖进来直接讲，录音回放、一键分享",
  "start_url": "./solution.html?new=1",
  "scope": "./",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#1f6fc4",
  "icons": [
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}