feat(checkout): implement wizard and admin actions

shop/lib/actions/queries.ts

@@ -0,0 +1,36 @@
+'use server'
+
+import { createClient } from '@/lib/supabase/server'
+import type { Order, EndCustomer } from '@/lib/types'
+
+/**
+ * Holt alle Bestellanfragen.
+ * RLS filtert automatisch auf die eigene Firma (bzw. lässt Admins alle sehen).
+ */
+export async function getCompanyOrders(): Promise<Order[]> {
+  const supabase = await createClient()
+
+  const { data, error } = await supabase
+    .from('orders')
+    .select('*')
+    .order('created_at', { ascending: false })
+
+  if (error) throw error
+  return data as Order[]
+}
+
+/**
+ * Holt alle Endkunden.
+ * RLS filtert automatisch auf die eigene Firma (bzw. lässt Admins alle sehen).
+ */
+export async function getCompanyEndCustomers(): Promise<EndCustomer[]> {
+  const supabase = await createClient()
+
+  const { data, error } = await supabase
+    .from('end_customers')
+    .select('*')
+    .order('company_name', { ascending: true })
+
+  if (error) throw error
+  return data as EndCustomer[]
+}