feat: split DA and API layers by domain, add parallel route docs

src/utils/store/design.ts

@@ -0,0 +1,57 @@
+import Taro from '@tarojs/taro'
+import type { DesignItem } from '../../types'
+import { assetUrl } from '../asset'
+import { PRODUCT_ICON_MAP } from '../productConfig'
+import { key, keyFor } from './keys'
+
+/** 跨用户读取指定 openid 的设计清单（账号管理用） */
+export function getDesignListFor(openid: string): DesignItem[] {
+  try { return Taro.getStorageSync(keyFor('design_list', openid)) || [] } catch { return [] }
+}
+
+// ---------- 设计清单 ----------
+
+export function getDesignList(): DesignItem[] {
+  try { return Taro.getStorageSync(key('design_list')) || [] } catch { return [] }
+}
+
+export function setDesignList(list: DesignItem[]) {
+  Taro.setStorageSync(key('design_list'), list)
+}
+
+export function addDesign(product: any, count: number): DesignItem {
+  const list = getDesignList()
+  const iconImg = assetUrl(product?.iconImg || PRODUCT_ICON_MAP[product?.id] || '/icon/四角星.svg')
+  const item: DesignItem = {
+    id: 'DSG' + Date.now(),
+    productId: product.id,
+    productName: product.name,
+    productIcon: iconImg,
+    unitPrice: product.price,
+    count,
+    status: 'undesigned',
+    createdAt: new Date().toISOString().slice(0, 10)
+  }
+  setDesignList([...list, item])
+  return item
+}
+
+export function updateDesign(id: string, patch: Partial<DesignItem>) {
+  const list = getDesignList()
+  const idx = list.findIndex(d => d.id === id)
+  if (idx === -1) return
+  list[idx] = { ...list[idx], ...patch }
+  setDesignList(list)
+}
+
+/** 批量删除设计条目 */
+export function removeDesigns(ids: string[]) {
+  const list = getDesignList().filter(d => !ids.includes(d.id))
+  setDesignList(list)
+}
+
+/** 根据ID删除单条设计 */
+export function removeDesign(id: string) {
+  const list = getDesignList().filter(d => d.id !== id)
+  setDesignList(list)
+}