- Require hypervisor as dict input and use hypervisor_cfg/hypervisor_type internally
- Remove vm_* and hypervisor_* compatibility aliases
- Update roles and docs to use system/hypervisor dictionaries only
- Normalize new system_cfg + hypervisor_cfg and keep legacy vm_* and hypervisor_* aliases
- Support multiple system.disks (creation + optional mount + fstab generation)
- Add system_check safety role (production + existing system detection)
- Update README and example inventories