Supabase Known Pitfalls Overview The twelve most common Supabase mistakes, ranked by severity: security (service role exposure, missing RLS, permissive policies), data integrity (ignoring , missing after mutations, on optional results), performance ( , N+1 queries, missing FK indexes, synchronous auth checks), and maintainability (no generated types, multiple client instances, hardcoded connection strings). Each pitfall shows the broken code, explains why it fails, and provides the correct pattern using from . Prerequisites - Access to a Supabase project codebase for review - v2+ installed -…