Supabase Webhooks & Database Events Overview Supabase offers four complementary event mechanisms: Database Webhooks (trigger-based HTTP calls via ), (call Edge Functions from triggers), Postgres LISTEN/NOTIFY (lightweight pub/sub), and Realtime (client-side event subscriptions). This skill covers all four patterns with production-ready code including signature verification, idempotency, and retry handling. Prerequisites - Supabase project (local or hosted) with CLI installed - extension enabled: Dashboard Database Extensions search "pg net" Enable - v2+ installed for client-side patterns - Ed…