RemoveStack journals itself before compose down and clears on every
return; at start a found journal finishes the remove through the same
RemoveStack (once, before the boot reconciler), keeping drive data and
backups even if the household had asked to delete them (no unattended
deletion at boot; logged).
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
