Lol the für Elise thing is funny. Back in highschool I got a “PC maintenance” credit which had me assigned as support in the computer lab. I made a batch script that ran on startup and showed a warning message saying the hard disk will self destruct and did a countdown from 10 with the motherboard speaker beeping down, fun times
TBH, I haven’t really used Kate for coding, but I vaguely remember it having a built in a terminal as a pane, like many IDEs