Sort the symptom into the right pillar

Drag each review finding to the Well-Architected pillar it most directly belongs to. Operational Excellence Security Reliability Performance Efficiency Cost Optimization Sustainability No runbook or owner for failed nightly deployment Object storage bucket allows public read by mistake Database backups exist but restore has never been tested Dashboard scans 18 million rows for every page view Three large GPU instances run idle every weekend Batch jobs run in a high-carbon region with no locality requirement Production releases require manual console steps at midnight Service credentials are shared across five workloads Payment API depends on one availability zone

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