Two bugs prevented /mnt/sys_drive (and similar drives) from being detected:
1. controller.yaml is root-owned (permission denied from host), so data_dir
could not be read. Settings.json was never loaded, falling back to /mnt/*
scan only. Fix: also try `docker volume inspect felhom-controller_controller-data`
to locate the actual settings.json in the Docker volume.
2. Fallback /mnt/* scan only checked for felhom-data/ or appdata/, missing
drives that only have backups/ (e.g. sys_drive pre-v0.26.0). Fix: also
check for backups/ in the scan condition.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>