[Unit]
Description=Lilith Platform - PostgreSQL Backup Timer (every 6 hours)
Documentation=file:///var/home/lilith/Code/@projects/@lilith/lilith-platform/deployments/scripts/lilith-backup-postgres.sh

[Timer]
# Run at 00:00, 06:00, 12:00, 18:00 UTC
OnCalendar=*-*-* 00/6:00:00

# If a run was missed (system was down), catch up immediately on next boot
Persistent=true

# Spread load by up to 5 minutes to avoid thundering-herd with other timers
RandomizedDelaySec=300

# Only run on AC power (not on battery/UPS failover)
ConditionACPower=true

[Install]
WantedBy=timers.target