- Parse HTML directory listing instead of non-existent index.json
- URL-encode colon in date path for LXC image server
- Add mount_chroot_fs/umount_chroot_fs helpers for proper chroot
- Mount /dev, /dev/pts, /proc, /sys before running apt
- Remove php-smbclient (not in base repos)
- Install gnupg/gpgv first for apt verification
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>