This info is for the people who have JBruce's solution or want to make it happen.
I created a little Node Red flow so i get a Telegram message on my phone in case anything happens with my kiln. In short, this gives a telegram message when: 1. The kiln-controller service starts/stops, 2. When and which schedule is started, 3, If a stop command is received, 4, when the schedule is finished.
Besides that, there are 2 other currently unused functions, the current temp and the target temp. I left these out of scope, since i am going to use these values to send them to my home automation d