Add zsh user@host output to terminal title

.zshrc

@@ -1,3 +1,5 @@
+export LANG=en_US.UTF-8
+
 if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
     SESSION_TYPE=ssh
 else
@@ -13,6 +15,10 @@ fi
 
 source ~/.p10k/powerlevel10k.zsh-theme
 
+# Print user@host into title so terminal tabs are correct
+# Despite being called precmd() this executes after process exits, before prompt
+precmd() { echo -ne "\033]0;${USER}@${HOST}\007" }
+
 # These are pretty safe to assume exist
 export PATH=~/bin:$PATH
 export EDITOR=vim