{"name":"SuperTech Toolkit","short_name":"SuperTech","description":"HVAC field tools — duct sizing, level & pitch, refrigerant math. A Ferrin Brothers AI product.","start_url":"/","display":"standalone","background_color":"#171D22","theme_color":"#171D22","lang":"en","scope":"/","icons":[{"src":"brand/app-icon-192.png","sizes":"192x192","type":"image/png","purpose":"any"},{"src":"brand/app-icon-512.png","sizes":"512x512","type":"image/png","purpose":"any"},{"src":"brand/app-icon-maskable-192.png","sizes":"192x192","type":"image/png","purpose":"maskable"},{"src":"brand/app-icon-maskable-512.png","sizes":"512x512","type":"image/png","purpose":"maskable"}]}