refactor(api): 优化商品收藏接口调用并统一数据解包

- 新增 unwrap 函数统一处理响应数据解包
- 将收藏相关接口改为 async 函数，显式等待请求结果
- 统一调用 unwrap 提取响应中的 data 字段，保障数据一致性
- 确保收藏状态接口返回纯布尔值，避免类型不确定
- 收藏列表接口添加空数组和空对象默认值处理，防止异常

refactor(shop): 简化购物车和客服页面跳转逻辑

- 购物车跳转采用 navigateTo，确保非 tabBar 页面正常打开
- 客服跳转直接进入客服页面，去除复杂客服会话功能调用逻辑

src/api/shop/shopGoodsFavorite/index.ts

@@ -1,27 +1,44 @@
 import request from '@/utils/request'
 import type { ShopGoodsFavorite, ShopGoodsFavoriteParam } from './model'
 
+/**
+ * 解包 API 响应
+ * request 工具默认 returnRaw=true，返回完整 {code, message, data} 包装
+ * 此函数提取内层 data 字段，兼容 data 为 null/undefined 的情况
+ */
+function unwrap<T>(res: any): T {
+  if (res && typeof res === 'object' && 'data' in res) {
+    return res.data as T
+  }
+  return res as T
+}
+
 // 添加收藏
-export function addShopGoodsFavorite(data: { goodsId: number }) {
+export async function addShopGoodsFavorite(data: { goodsId: number }) {
-  return request.post<boolean>('/shop/goods/favorite/add', data)
+  const res = await request.post('/shop/goods/favorite/add', data)
+  return unwrap<boolean>(res)
 }
 
 // 取消收藏
-export function removeShopGoodsFavorite(data: { goodsId: number }) {
+export async function removeShopGoodsFavorite(data: { goodsId: number }) {
-  return request.post<boolean>('/shop/goods/favorite/remove', data)
+  const res = await request.post('/shop/goods/favorite/remove', data)
+  return unwrap<boolean>(res)
 }
 
-// 查询收藏状态
+// 查询收藏状态（返回 boolean：true=已收藏, false=未收藏）
-export function getShopGoodsFavoriteStatus(params: { goodsId: number }) {
+export async function getShopGoodsFavoriteStatus(params: { goodsId: number }) {
-  return request.get<boolean>('/shop/goods/favorite/status', params)
+  const res = await request.get('/shop/goods/favorite/status', params)
+  return !!unwrap<boolean>(res) // 确保返回纯布尔值
 }
 
 // 收藏列表
-export function listShopGoodsFavorite(params: ShopGoodsFavoriteParam) {
+export async function listShopGoodsFavorite(params: ShopGoodsFavoriteParam) {
-  return request.get<ShopGoodsFavorite[]>('/shop/goods/favorite/list', params)
+  const res = await request.get('/shop/goods/favorite/list', params)
+  return unwrap<ShopGoodsFavorite[]>(res) || []
 }
 
 // 收藏列表（分页）
-export function pageShopGoodsFavorite(params: ShopGoodsFavoriteParam) {
+export async function pageShopGoodsFavorite(params: ShopGoodsFavoriteParam) {
-  return request.get<{ list: ShopGoodsFavorite[]; total: number }>('/shop/goods/favorite/page', params)
+  const res = await request.get('/shop/goods/favorite/page', params)
+  return unwrap<{ list: ShopGoodsFavorite[]; total: number }>(res) || { list: [], total: 0 }
 }

src/pages/shop/product-detail.tsx

@@ -164,22 +164,13 @@ const ProductDetailPage: React.FC = () => {
   }
 
   const handleGoCart = () => {
+    // 购物车不是 tabBar 页面，使用 navigateTo；路径与 app.config.ts 中注册的 'pages/shop/cart' 对应
     Taro.navigateTo({ url: '/pages/shop/cart' })
   }
 
   const handleContactService = () => {
-    // 微信小程序客服：优先尝试打开客服会话
+    // 直接跳转到在线客服页面（已实现完整功能：微信客服按钮 + 历史消息 + 热线 + 微信留言）
-    if (Taro.openCustomerServiceChat) {
-      Taro.openCustomerServiceChat({
-        extInfo: { url: '' }, // 需要在小程序后台配置客服链接
-        fail: () => {
-          // 降级：跳转到客服页面
     Taro.navigateTo({ url: '/pages/user/customer-service/index' })
-        },
-      })
-    } else {
-      Taro.navigateTo({ url: '/pages/user/customer-service/index' })
-    }
   }
 
   if (!product) {