Have historyWatch report errors via notifyError instead of an onError callback.

src/api/ApiClient.js

@@ -110,10 +110,9 @@ export class ApiClient {
       history: (sku) => this.#json('GET', `/api/article/${enc(sku)}/history`),
       /**
        * Load history and refetch on SSE `article-<sku>`.
-       * `onHistory(history)` / `onError(err)` — returns unwatch().
+       * `onHistory(history)` — returns unwatch(). Errors via notifyError.
        */
-      historyWatch: (sku, onHistory, onError) =>
-        this.watchArticleHistory(sku, onHistory, onError),
+      historyWatch: (sku, onHistory) => this.watchArticleHistory(sku, onHistory),
       /** PATCH /api/article/{sku} — body: at least one of { name, unitamount, unitSi } */
       update: async (sku, body) => {
         const nameChange = body != null && Object.hasOwn(body, 'name');

src/api/StorageManager.js

@@ -1,4 +1,5 @@
 import { requireArray, requireDefined, requireObject } from '../utils/apiShape';
+import { notifyError } from '../utils/notify';
 import { ApiClient } from './ApiClient';
 
 /**
@@ -84,10 +85,9 @@ export class StorageManager extends ApiClient {
    * Fetch article history, then refetch whenever SSE emits `article-<sku>`.
    * @param {string} sku
    * @param {(history: unknown[]) => void} onHistory
-   * @param {(err: unknown) => void} onError
    * @returns {() => void} unwatch
    */
-  watchArticleHistory(sku, onHistory, onError) {
+  watchArticleHistory(sku, onHistory) {
     const key = String(sku);
     let active = true;
 
@@ -101,7 +101,7 @@ export class StorageManager extends ApiClient {
     const run = () =>
       void refresh().catch((err) => {
         if (!active) return;
-        onError(err);
+        notifyError(err);
       });
 
     let watchers = this.#historyWatchers.get(key);