tmux config (need reattach-to-user-namespace for copy & paste on macos) https://tmuxcheatsheet.com/

.tmux.conf

# enable mouse support
set -g mouse on

# set default shell
set -g default-shell $SHELL
set -g default-command "reattach-to-user-namespace -l ${SHELL}"

# copy and paste
setw -g mode-keys vi
bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

# color theme
set -g default-terminal "xterm-256color"