Introduces state management to 'monitor.sh' to send notifications only when a monitored status changes (e.g., from healthy to alert, or alert to resolved). This prevents repetitive alerts for persistent issues. Creates a 'monitor_state' directory for tracking. Updates script version to 1.2.0.
Introduces a new monitoring check in 'monitor.sh' to verify the age of the last successful SAP HANA data backup. Alerts are sent if the backup age exceeds a configurable 'BACKUP_THRESHOLD_HOURS'. Updates script version to 1.1.0.
