sess kill-session / kill-window / kill-server

Thin, tmux-flavored wrappers for killing things directly, without leaving sess:

sess kill-session <name>
sess kill-window <target>
sess kill-server

kill-session also deletes the matching saved snapshot, if one exists — this is the one-shot equivalent of close followed by delete, not the same as either on its own. Double-check the name before running it; see the overlap table if you want the exact difference from close/delete spelled out.