Add shared Manifest UI for delivery, quote, and order.

Wire quote/order API clients and routes, then unify list/create/edit behind ManifestList/Form tiles so Lieferungen and Auftrag share one stack.

src/api/StorageManager.js

@@ -297,6 +297,8 @@ export class StorageManager extends ApiClient {
       this.#loadCustomergroups(),
     );
     const entityCache = createCache('GET /entity', () => this.#loadEntities());
+    const quoteCache = createCache('GET /quote', () => this.#loadQuotes());
+    const orderCache = createCache('GET /order', () => this.#loadOrders());
 
     Object.defineProperties(this, {
       authMePromise: { get: () => authMeCache.promise },
@@ -350,6 +352,16 @@ export class StorageManager extends ApiClient {
       /** Settled GET /entity list, or undefined. */
       entities: { get: () => entityCache.value },
 
+      quotePromise: { get: () => quoteCache.promise },
+      updateQuote: { value: quoteCache.update },
+      /** Settled GET /quote list, or undefined. */
+      quotes: { get: () => quoteCache.value },
+
+      orderPromise: { get: () => orderCache.promise },
+      updateOrder: { value: orderCache.update },
+      /** Settled GET /order list, or undefined. */
+      orders: { get: () => orderCache.value },
+
       /** Close and reopen GET /api/events (required after selected-company change). */
       reconnectEvents: { value: () => this.#reconnectEvents() },
     });
@@ -494,6 +506,18 @@ export class StorageManager extends ApiClient {
     return requireArray(data.entities, 'entities');
   }
 
+  async #loadQuotes() {
+    const data = await this.quote.list();
+    requireObject(data, 'GET /api/quote');
+    return requireArray(data.quotes, 'quotes');
+  }
+
+  async #loadOrders() {
+    const data = await this.order.list();
+    requireObject(data, 'GET /api/order');
+    return requireArray(data.orders, 'orders');
+  }
+
   async doSearch({ target, filter, offset, maxCount, onUpdate }) {
     const articles = await this.articleIndexPromise;
     const query = target.trim().toLowerCase();