Availability
Instance and database reachability, service restarts, Always On synchronisation state, failovers, listener health, cluster quorum.
Backups
Age of the last full, differential and log backup per database, backup destination free space, RESTORE VERIFYONLY results, encryption certificate expiry.
Performance
CPU, memory grants, page life expectancy, top waits, blocking chains, deadlocks, long-running and parallel queries, tempdb contention.
Capacity
Disk and volume free space, data and log file growth, autogrowth events, VLF counts, tempdb, growth forecasts per volume.
Jobs & integration
SQL Agent job failures and overruns, SSIS and Data Factory pipeline status, replication latency, data-freshness of pipelines such as your Genesys extraction.
Security & configuration
Failed logins, new sysadmin members, configuration drift, patch level versus current cumulative update, error-log severity 17 and above.