Whilst quite peculiar, Virgin seems to be able to mess up your wifi, and it seems they did by factory resetting your hub. But it’s just guessing.
It seems Homey’s connection to your router is lost, when Tuya devices are offline as well.
It would really help if you’re a bit more specific
Pro 23 or Pro 201x?
About the wifi:
Did the SSID change, or the login credentials?
To reconnect Homey with your wifi:
-
Pro 201x (white ball):
Restart Pro 201x by pulling the plug for a while, and after a minute, turn it upside down.
After a minute, follow this how-to
https://community.homey.app/t/howto-pro-restarting-homey-pro-to-recovery-mode-adv-options-from-mobile/61222 -
Pro 2023 (the puck):
Push the pin at the bottom for at least 8s, but not longer than 30s.
This enables the setup menu, to edit the wifi settings.