Injects SGR 1006 mouse events via tmux send-keys -l to exercise FZF_CLICK_HEADER_* / FZF_CLICK_FOOTER_* across all three layouts, with and without a header border.
Injects SGR 1006 mouse events via tmux send-keys -l to exercise FZF_CLICK_HEADER_* / FZF_CLICK_FOOTER_* across all three layouts, with and without a header border.