I’m like you as far as being the opposite of a multitasker, except I solved things with hardware. Getting a 32:9 monitor was fantastic because I can have one 16:9 window in the center and two 8:9 windows at the sides. The center window is big enough that the side windows are barely, if at all, in my peripheral vision, so it quells my anxiety with having multiple windows open.
Nice post tho, some good info in there since I’ll be switching my daily driver to KDE soon