{ "name": "Seller Stack", "short_name": "Seller Stack", "description": "Approve-first Walmart Marketplace fulfillment for invite-beta sellers.", "start_url": "/", "display": "standalone", "background_color": "#0f1419", "theme_color": "#0f1419", "icons": [ { "src": "/brand/stack-mark-dark-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" }, { "src": "/brand/stack-mark-dark-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" } ] }