{
  "name": "Professor Alvin — Your AI Plumbing Professor",
  "short_name": "Professor Alvin",
  "description": "Your AI plumbing professor. Code-grounded exam prep and field guidance for the IPC, UPC, IFGC, IRC, and Texas plumbing law.",
  "start_url": "/dashboard",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#0b1f3a",
  "theme_color": "#0b1f3a",
  "categories": ["education", "productivity"],
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}