feat(F-181): completed feature

project/apps/pos/src/lib/api-client.ts

@@ -48,6 +48,11 @@ export const posApi = {
   productByEan: (ean: string) => apiFetch(`/pos/products/by-ean/${encodeURIComponent(ean)}`),
   /** Get product by SKU. */
   productBySku: (sku: string) => apiFetch(`/pos/products/by-sku/${encodeURIComponent(sku)}`),
+  /** Search identity customers for sale association. */
+  searchCustomers: (q: string) => apiFetch(`/pos/customers/search?q=${encodeURIComponent(q)}`),
+  /** Create an identity customer from the register. */
+  createCustomer: <T>(data: { email: string; displayName?: string; phone?: string }) =>
+    apiFetch<T>('/pos/customers', { method: 'POST', body: JSON.stringify(data) }),
 };
 
 export const authApi = {