{
  "name": "YYC³ Nexus Portal",
  "short_name": "YYC³ Portal",
  "description": "言渝云枢 · 智能交互门户 — YYC³ AI Family 3D Interactive Showcase",
  "start_url": "/",
  "display": "standalone",
  "display_override": ["window-controls-overlay", "standalone"],
  "background_color": "#000000",
  "theme_color": "#000000",
  "orientation": "portrait-primary",
  "scope": "/",
  "lang": "zh-CN",
  "dir": "ltr",
  "categories": ["technology", "ai", "developer-tools"],
  "icons": [
    { "src": "/yyc3-dist/yanyu_cloud_192x192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
    { "src": "/yyc3-dist/yanyu_cloud_512x512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" },
    { "src": "/yyc3-dist/yanyu_cloud_256x256.png", "sizes": "256x256", "type": "image/png" },
    { "src": "/yyc3-dist/yanyu_cloud_128x128.png", "sizes": "128x128", "type": "image/png" }
  ],
  "screenshots": [
    {
      "src": "/YYC3-Family-001.png",
      "sizes": "1920x1080",
      "type": "image/png",
      "form_factor": "wide",
      "label": "YYC³ Nexus Portal - AI Family Overview"
    }
  ],
  "related_applications": [],
  "prefer_related_applications": false
}