The dashboard owns the visible UI: it captures the orchestrator's stdout into
the support log and strips CSI sequences on the way in, so the colouring was
never seen by anyone. gum charged a Go process start per line for it, on every
phase and every package group. Plain writes keep the same indented shape.
Flushing stays: pacstrap and arch-chroot inherit this fd, so buffering would
reorder our lines against theirs in the log.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
