supabase-known-pitfalls

Avoid and fix the most common Supabase mistakes: exposing service_role key in client bundles, forgetting to enable RLS, not using connection pooling in serverless, .single() throwing on empty results, missing .select() after insert/update, not destructuring { data, error }, creating multiple client instances, and not using generated types. Use when reviewing Supabase code, onboarding developers, auditing an existing project, or debugging unexpected behavior. Trigger with phrases like "supabase mistakes", "supabase anti-patterns", "supabase pitfalls", "supabase code review", "supabase gotchas", "supabase debugging", "what not to do supabase", "supabase common errors".