- Implement start_vm, stop_vm, reboot_vm, shutdown_vm, resume_vm
- Implement suspend_vm for pausing VMs
- Implement list_vms with full resource filtering
- Implement get_vm with detailed configuration parsing
- Implement get_vm_status and get_vm_config
- Implement create_vm, delete_vm, clone_vm
- Implement migrate_vm for live migration
- Implement snapshot operations: create, delete, rollback, list
- All operations use proper error handling with Option safety
- Add 2 unit tests for VM info and state serialization