Atuin should help with large histories; https://atuin.sh/ https://atuin.sh/ Graduating specific oneliners into functions/scripts is also a good chance to clean

Atuin should help with large histories; https://atuin.sh/ https://atuin.sh/ Graduating specific oneliners into functions/scripts is also a good chance to clean them up a bit, but it's a balance that's hard to strike - too many aliases and scripts, and you quickly forget they exist :-)