Add delivery and supplier HTTP APIs with expanded response docs.

Wire store-backed CRUD for goods receipts and suppliers, and teach the API doc generator to expand $ref/allOf/array samples so route markdown shows full JSON shapes.

src/db/supplier.js

@@ -0,0 +1,21 @@
+import { getStore } from './store.js';
+
+export async function list(googleAuthId, companyId) {
+    const store = await getStore();
+    return store.supplier.list(googleAuthId, companyId);
+}
+
+export async function create(googleAuthId, companyId, data) {
+    const store = await getStore();
+    return store.supplier.create(googleAuthId, companyId, data);
+}
+
+export async function update(googleAuthId, companyId, id, data) {
+    const store = await getStore();
+    return store.supplier.update(googleAuthId, companyId, id, data);
+}
+
+export async function remove(googleAuthId, companyId, id) {
+    const store = await getStore();
+    return store.supplier.delete(googleAuthId, companyId, id);
+}