chore(config): update terminal, tmux, and starship configurations

dot_config/omarchy/hooks/theme-set.d/executable_tmux-tabs

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Recolor tmux's window tabs on theme change, as kitty's tab bar does: re-read
+# the @tab-* colors rendered from ~/.config/omarchy/themed/tmux.conf.tpl.
+# tmux.conf's status formats read those options live; the bar picks them up
+# on its next redraw (status-interval 5).
+tmux source-file -q ~/.local/state/omarchy/current/theme/tmux.conf 2>/dev/null || true