supabase/grants_public_user.sql

-- Required when login/sign-up run in the browser against public."User" (Supabase anon key).
-- Run in SQL Editor after your "User" table exists.

grant usage on schema public to anon, authenticated;

grant select, insert on table public."User" to anon;

-- Production: prefer hashed passwords + RPC/Edge Function instead of plain Password in the client.