refactor(vars): add system/hypervisor dict inputs

- 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

roles/bootstrap/tasks/rhel.yml

@@ -17,7 +17,6 @@
         src: /run/NetworkManager/resolv.conf
         dest: /mnt/etc/resolv.conf
         state: link
-        force: true
 
     - name: Ensure chroot RHEL DVD directory exists
       ansible.builtin.file:
@@ -34,7 +33,7 @@
         state: mounted
 
     - name: Rebuild RPM database inside chroot
-      ansible.builtin.command: "{{ chroot_command }} /mnt rpm --rebuilddb"
+      ansible.builtin.command: "{{ chroot_command }} rpm --rebuilddb"
       register: bootstrap_rpm_rebuild_result
       changed_when: bootstrap_rpm_rebuild_result.rc == 0
 
@@ -55,7 +54,7 @@
             | join(' ')
           }}
       ansible.builtin.command: >-
-        {{ chroot_command }} /mnt dnf --releasever={{ bootstrap_rhel_release }}
+        {{ chroot_command }} dnf --releasever={{ bootstrap_rhel_release }}
         --setopt=install_weak_deps=False install -y {{ bootstrap_rhel_extra }}
       register: bootstrap_result
       changed_when: bootstrap_result.rc == 0