Fix file sharing load speed and move error; misc updates

- Remove recursive directory size calculations (single Seafile API call per list)
- Remove 'Used in this location' usage display
- Fix move using v2 per-type endpoints instead of broken batch endpoint
- Send entry type from frontend for correct move routing

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

supabase/migrations/20260420150000_add_subcontractor_payments.sql

@@ -0,0 +1,18 @@
+create table if not exists public.subcontractor_payments (
+  id uuid default gen_random_uuid() primary key,
+  profile_id uuid references public.profiles(id) on delete set null,
+  date date default current_date not null,
+  description text not null,
+  amount numeric(10,2) not null,
+  status text not null default 'pending' check (status in ('pending', 'paid')),
+  paid_at date,
+  notes text default '',
+  created_by uuid references public.profiles(id) on delete set null,
+  created_at timestamptz default now() not null
+);
+
+alter table public.subcontractor_payments enable row level security;
+
+drop policy if exists "Team all subcontractor_payments" on public.subcontractor_payments;
+create policy "Team all subcontractor_payments" on public.subcontractor_payments
+  for all using (get_my_role() = 'team') with check (get_my_role() = 'team');