feat: Add backup and security hardening

scripts/backup-setup/backup-monitor

@@ -0,0 +1,36 @@
+#!/sbin/openrc-run
+# OpenRC service for backup network trigger
+# Monitors NAS availability and triggers backups when detected
+
+name="backup-monitor"
+description="Backup network trigger service"
+
+command="/usr/local/bin/backup-trigger"
+command_background="yes"
+pidfile="/run/${RC_SVCNAME}.pid"
+
+depend() {
+  need net
+  use NetworkManager
+  after NetworkManager
+}
+
+start_pre() {
+  # Ensure command exists
+  if [ ! -x "$command" ]; then
+    eerror "Backup trigger script not found: $command"
+    return 1
+  fi
+
+  # Check config exists
+  if [ ! -f /etc/backup.conf ]; then
+    eerror "Backup configuration not found: /etc/backup.conf"
+    return 1
+  fi
+
+  ebegin "Starting backup monitor"
+}
+
+stop_post() {
+  eend $? "Stopped backup monitor"
+}