After 'Generated apps-tools.json...' the next step reaches remote backup
locations (restic over SSH) with its output captured in $(...), so on a
slow connection the updater looked stalled with no message. Print an
in-progress notice before it, mirroring the per-app refresh hook loop.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>