feat: catalog read cache (api + user apps) and clearer Zarrin accounting errors

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/user-app-v2/src/stores/configStore.ts

@@ -18,7 +18,7 @@
 //
 // Not ported (no backend): promotionList, ignoreList, priceList, isLoaded.
 import { defineStore } from 'pinia'
-import { api } from '../api/client'
+import { useCatalogStore } from './catalogStore'
 import shippingArt from '../assets/img/shipping-and-delivery.png'
 import competitionArt from '../assets/img/sports-and-competition.png'
 import brandArt from '../assets/img/montzar-logo.png'
@@ -70,20 +70,13 @@ export const useConfigStore = defineStore('config', {
     // Legacy's store.init() fanned out to /config, /promotion, /ignore, /price.
     // Here the only live source is the product catalogue, from which the real
     // category list is derived.
-    async init() {
+    // The catalogue comes from catalogStore, so calling this next to another
+    // catalogue read costs no second request.
+    async init(force = false) {
       try {
-        const products = await api.listProducts()
-        const seen = new Map<string, HomeCategory>()
-        for (const p of products) {
-          if (p.category && !seen.has(p.category.id)) {
-            seen.set(p.category.id, {
-              id: p.category.id,
-              title: p.category.title,
-              icon: { image: brandArt },
-            })
-          }
-        }
-        this.cats = [...seen.values()]
+        const catalog = useCatalogStore()
+        await catalog.load(force)
+        this.cats = catalog.categories.map((c) => ({ ...c, icon: { image: brandArt } }))
         this.loaded = true
       } catch (e) {
         console.log(e)