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 Learn how to add Supabase authentication and authorization to a fullstack Next.js app with Supabase Edge Functions and a Policy Decision Point (PDP). 
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 A full-stack guide to building a secure, real-time polling app with authentication, per-user permissions, and dynamic policy checks—using Supabase + Permit.io.

DIY Real-Time Polling App Locks Down Access With Supabase and Permit.io