How I documented a kiosk browser cache issue without blaming the network

A check-in kiosk kept showing an old flow after we had already deployed the fix. The first guess from the floor was weak Wi-Fi, because refreshing sometimes helped. Network was not the cause. The kiosk browser had a service worker cache and local storage state from a pilot build, so it loaded a stale bundle only on that device profile. I treated it like a small production incident. I opened the…