config_manager restore_config and import_config previously injected zero-filled
entries (port=0, domain='') for every service schema regardless of whether that
service was in the backup/import data. Removed this logic — only restore what's
actually in the backup.
network_manager.apply_domain now:
- updates dnsmasq.conf domain= line (reload cell-dhcp)
- rewrites Corefile zone blocks to the new domain name
- renames and rewrites the primary zone file $ORIGIN + SOA records
- reloads CoreDNS
Tests added first (TDD):
- test_restore_does_not_zero_unconfigured_services
- test_restore_does_not_zero_import
- test_apply_domain_updates_corefile (zone file + Corefile)
- test_apply_domain_updates_dnsmasq
- test_apply_config_writes_dhcp_range / ntp_servers
- test_apply_config_updates_mailserver_env / no_domain_no_restart
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
roof
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