feat: add commission settlement exports and proofs

supabase/migrations/202606290027_commission_settlement_proofs.sql

@@ -0,0 +1,63 @@
+create table if not exists public.commission_settlement_proofs (
+  id uuid primary key default gen_random_uuid(),
+  tenant_id uuid not null references public.tenants(id) on delete cascade,
+  settlement_id uuid not null references public.commission_settlements(id) on delete cascade,
+  proof_type text not null default 'payment'
+    check (proof_type in ('payment', 'invoice', 'receipt', 'adjustment', 'other')),
+  status text not null default 'submitted'
+    check (status in ('submitted', 'approved', 'rejected', 'voided')),
+  title text,
+  description text,
+  asset_id uuid references public.content_assets(id) on delete set null,
+  external_url text,
+  amount_cents integer check (amount_cents is null or amount_cents >= 0),
+  payment_method text,
+  payment_account text,
+  paid_at timestamptz,
+  submitted_by uuid references public.platform_users(id) on delete set null,
+  reviewed_by uuid references public.platform_users(id) on delete set null,
+  reviewed_at timestamptz,
+  review_note text,
+  metadata jsonb not null default '{}'::jsonb,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create table if not exists public.commission_settlement_export_events (
+  id uuid primary key default gen_random_uuid(),
+  tenant_id uuid not null references public.tenants(id) on delete cascade,
+  settlement_id uuid not null references public.commission_settlements(id) on delete cascade,
+  export_format text not null check (export_format in ('csv', 'json')),
+  filename text not null,
+  row_count integer not null default 0 check (row_count >= 0),
+  content_sha256 text,
+  exported_by uuid references public.platform_users(id) on delete set null,
+  metadata jsonb not null default '{}'::jsonb,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists idx_commission_proofs_settlement
+  on public.commission_settlement_proofs(tenant_id, settlement_id, status, created_at desc);
+
+create index if not exists idx_commission_exports_settlement
+  on public.commission_settlement_export_events(tenant_id, settlement_id, created_at desc);
+
+alter table public.commission_settlement_proofs enable row level security;
+alter table public.commission_settlement_export_events enable row level security;
+
+drop policy if exists tenant_isolation on public.commission_settlement_proofs;
+create policy tenant_isolation on public.commission_settlement_proofs
+  for all
+  using (tenant_id = app.current_tenant_id() or app.is_platform_admin())
+  with check (tenant_id = app.current_tenant_id() or app.is_platform_admin());
+
+drop policy if exists tenant_isolation on public.commission_settlement_export_events;
+create policy tenant_isolation on public.commission_settlement_export_events
+  for all
+  using (tenant_id = app.current_tenant_id() or app.is_platform_admin())
+  with check (tenant_id = app.current_tenant_id() or app.is_platform_admin());
+
+drop trigger if exists set_updated_at on public.commission_settlement_proofs;
+create trigger set_updated_at
+  before update on public.commission_settlement_proofs
+  for each row execute function app.touch_updated_at();