{
  "name": "TPA POS 后台 Backend",
  "short_name": "TPA 后台",
  "description": "TPA POS back office — products, barcodes, stock, members, sales reports",
  "id": "tpa-pos-backend",
  "start_url": "/backend.html",
  "scope": "/",
  "display": "standalone",
  "background_color": "#0f172a",
  "theme_color": "#0f172a",
  "orientation": "any",
  "icons": [
    { "src": "/icon-backend-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-backend-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icon-backend-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ],
  "shortcuts": [
    { "name": "商品 / 条码", "url": "/backend.html#products", "icons": [{ "src": "/icon-backend-192.png", "sizes": "192x192" }] },
    { "name": "会员", "url": "/backend.html#members", "icons": [{ "src": "/icon-backend-192.png", "sizes": "192x192" }] },
    { "name": "报表", "url": "/backend.html#reports", "icons": [{ "src": "/icon-backend-192.png", "sizes": "192x192" }] }
  ]
}