- New installs use a dir storage pool when VPSMGR_STORAGE=dir (default
zfs). A failed ZFS pool still aborts — the switch is explicit, never
an automatic fallback.
- 00-check.sh skips zfsutils-linux, the DKMS module build and the zfs
boot units entirely in dir mode (no kernel module needed).
- 10-incus.sh creates/adopts a dir pool without requiring zpool; zfs
mode still refuses any non-ZFS pool, fresh or adopted.
- uninstall.sh is unchanged: incus storage delete handles both drivers
and the zpool destroy is already guarded by 'zpool list'.
- docs: architecture.md and AGENTS.md document the switch.
bluebluesoda
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