FRE-622: Senior Engineer code review - alerts and reporting automation verified
Review findings:
- All 4 features (Slack alerts, reports, cohorts, NPS) fully implemented
- 30+ tRPC endpoints with proper Zod validation
- Clean service layer separation (services → router → endpoints)
- Proper auth guards (protectedProcedure vs publicProcedure)
- Database schemas properly defined with foreign keys and type inference
- No new TypeScript errors introduced
- Alert cooldown logic, severity mapping, and Slack block formatting verified
- Cohort retention analysis and NPS calculation logic correct
Assigning to Security Reviewer for final review.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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