fix: add missing type and payment_method columns to orders table

shop/supabase/migrations/20260709234500_add_type_to_orders.sql

@@ -0,0 +1,7 @@
+-- Migration: Add missing type and payment_method columns to orders table
+-- Purpose: Ensure physical columns type and payment_method exist on public.orders for checkout split support.
+
+ALTER TABLE public.orders ADD COLUMN IF NOT EXISTS type TEXT NOT NULL DEFAULT 'purchase' CHECK (type IN ('purchase', 'subscription'));
+ALTER TABLE public.orders ADD COLUMN IF NOT EXISTS payment_method TEXT;
+
+NOTIFY pgrst, 'reload schema';