#!/bin/sh
# tmux session-window-changed hook helper (see README.md): a pi agent window
# that is "done" (finished, unseen) becomes "idle" once you visit it, or when you
# leave it after it finished while you were looking at it.
s="$1"
[ -n "$s" ] || exit 0
tmux list-windows -t "$s" -F '#{window_index} #{window_active} #{window_last_flag} #{@agent_state}' |
while read -r idx active last state; do
	if [ "$state" = done ] && { [ "$active" = 1 ] || [ "$last" = 1 ]; }; then
		tmux set-option -w -t "$s:$idx" @agent_state idle
	fi
done