big test rc

schemas/alter_users_add_email.sql

@@ -0,0 +1,9 @@
+-- Registration email. Run in Supabase Dashboard → SQL Editor.
+-- Application stores normalized (trimmed, lower-case) addresses.
+
+alter table public.users
+  add column if not exists email text null;
+
+create unique index if not exists users_email_unique
+  on public.users (email)
+  where email is not null;