@os-finops found $558 before the first user signed up.
Two CDK properties. Five minutes.
✓ @os-finops read full infrastructure architecture
✓ Always-on cost drivers identified — App Runner + Aurora across 3 environments
✓ Non-production waste quantified — $99/mo, $594 in first 6 months
✓ Production unchanged — full availability preserved
✓ Fix documented for @os-devops — 2 CDK properties
✓ plans/features/pre-launch/finops-review.md written