Isn't a stove/cooker guard actually what you're looking for? They're legally mandated in Norway, there's already a big section of them, some have Zigbee, like

Isn't a stove/cooker guard actually what you're looking for? They're legally mandated in Norway, there's already a big section of them, some have Zigbee, like this one: https://www.firefence.org/ https://www.firefence.org/ https://www.bekkelund.net/2024/02/19/firefence-komfyrvakt/ https://www.bekkelund.net/2024/02/19/firefence-komfyrvakt/ I'm sure there are products in other markets too.