STEP_030F_HMN_APPLY_PREFLIGHT OK
timestamp: 20260708-100453

Created:
- /opt/router-ops/bin/router-hmn-apply-preflight

Generated:
- /tmp/router-hmn-apply-preflight-step030f.txt

Remote changes:
- none

Mode:
- read-only apply preflight
- checks proposed preserve_existing plan config availability
