{"name":"Cold Chain Monitor","short_name":"ColdChain","description":"Restaurant cold chain temperature monitoring system","start_url":"/","display":"standalone","background_color":"#f3f4f6","theme_color":"#667eea","lang":"en","scope":"/","orientation":"any","icons":[{"src":"/icon-192.png","sizes":"192x192","type":"image/png"},{"src":"/icon-512.png","sizes":"512x512","type":"image/png"},{"src":"/icon-512.png","sizes":"512x512","type":"image/png","purpose":"any maskable"}]}