Session 2026-05-29: profile layout 2-col, file browser copy/paste, fbq-proxy/backfill fns, migrations, UI updates

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

supabase/migrations/20260528000001_add_avatar_to_profiles.sql

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+alter table public.profiles
+  add column if not exists avatar_url text;
+
+insert into storage.buckets (id, name, public)
+  select 'avatars', 'avatars', true
+  where not exists (select 1 from storage.buckets where id = 'avatars');
+
+do $$
+begin
+  if not exists (select 1 from pg_policies where policyname = 'Avatar images are publicly accessible' and tablename = 'objects') then
+    execute 'create policy "Avatar images are publicly accessible" on storage.objects for select using (bucket_id = ''avatars'')';
+  end if;
+  if not exists (select 1 from pg_policies where policyname = 'Users can upload their own avatar' and tablename = 'objects') then
+    execute 'create policy "Users can upload their own avatar" on storage.objects for insert with check (bucket_id = ''avatars'' and auth.uid()::text = (storage.foldername(name))[1])';
+  end if;
+  if not exists (select 1 from pg_policies where policyname = 'Users can update their own avatar' and tablename = 'objects') then
+    execute 'create policy "Users can update their own avatar" on storage.objects for update using (bucket_id = ''avatars'' and auth.uid()::text = (storage.foldername(name))[1])';
+  end if;
+end $$;

supabase/migrations/20260528000002_add_social_fields_to_profiles.sql

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+alter table public.profiles
+  add column if not exists website text,
+  add column if not exists linkedin text,
+  add column if not exists instagram text,
+  add column if not exists twitter text;

supabase/migrations/20260528000003_drop_instagram_twitter_from_profiles.sql

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+alter table public.profiles
+  drop column if exists instagram,
+  drop column if exists twitter;

supabase/migrations/20260528000004_drop_title_from_profiles.sql

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+alter table public.profiles
+  drop column if exists title;