add retry on failure for libguides-notifier.service

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

libguides-notifier/libguides-notifier.service

@@ -8,11 +8,16 @@
 [Unit]
 Description=Run main.py (LibGuides notifier)
 OnFailure=notify-gitea-failure@%n.service
+StartLimitBurst=5
+StartLimitIntervalSec=43200
 
 [Service]
 Type=oneshot
+Restart=on-failure
+RestartSec=900
 EnvironmentFile=%h/.config/libguides-notifier.env
 ExecStartPre=/usr/bin/nm-online -q
+ExecStartPre=/bin/bash -c 'for i in {1..600}; do getent hosts lgapi-us.libapps.com && exit 0; sleep 1; done; exit 1'
 ExecStart=/bin/bash -lc '${REPO_PATH}/scripts/run_main.sh'
 
 [Install]