I think this happened to me before. I've been using KDE Wayland session for a while, but I also switched to systemd boot for KDE, may be that helped with ssh-agent.
Here are some details: https://blog.davidedmundson.co.uk/blog/plasma-and-the-systemd-startup/ To enable it: kwriteconfig5 --file startkderc --group General --key systemdBoot true Not sure about kick-off issues, I'm using fullscreen Aplication Dashboard, and it works fine. Never had issues with typing in Konsole (I have AMD GPU). If you have some problems with Wayland session - better report bugs, so they wouldn't get lost. I've reported a bunch in the past, and they were fixed. Regards, Shmerl.