expand-overlay now splits eMMC into: - p3 (3GB): overlay filesystem (system + configs) - p4 (~54GB): ext4 data partition -> /mnt/data/docker Docker data-root auto-configured to /mnt/data/docker on first boot.
- frpc-config: pre-configure frpc tunnels (SSH/Jellyfin/Navidrome) - navidrome-autoinit: auto-create Navidrome container on first boot - expand-overlay: auto-resize eMMC overlay partition