consumer模块完成95%，在和商家端对接聊天购物闭环

pages/mall/consumer/cart.uvue

@@ -40,9 +40,9 @@
 							<text v-if="isShopSelected(group.shopId)" class="selected-icon">✓</text>
 							<text v-else class="unselected-icon"></text>
 						</view>
-						<text class="shop-icon">🏪</text>
-						<text class="shop-name">{{ group.shopName }}</text>
-						<text class="shop-arrow">></text>
+						<text class="shop-icon" @click="navigateToShop(group.shopId, group.merchantId)">🏪</text>
+						<text class="shop-name" @click="navigateToShop(group.shopId, group.merchantId)">{{ group.shopName }}</text>
+						<text class="shop-arrow" @click="navigateToShop(group.shopId, group.merchantId)">></text>
 					</view>
 					
 					<!-- 店铺商品 -->
@@ -188,6 +188,7 @@ const cartGroups = computed(() => {
 			groups.set(shopKey, {
 				shopId: item.shopId,
 				shopName: item.shopName || '商城优选', // Better default name
+				merchantId: item.merchantId, // Add merchantId for navigation
 				items: [] as any[]
 			})
 		}
@@ -550,6 +551,17 @@ const addToCart = async (product: any) => {
 }
 
 // 导航函数
+const navigateToShop = (shopId: string, merchantId: any) => {
+    // Prevent navigation for invalid shops
+    if (!shopId || shopId === 'default_shop' || shopId === 'unknown') return
+    
+    let url = `/pages/mall/consumer/shop-detail?id=${shopId}`
+    if (merchantId) {
+        url += `&merchantId=${merchantId}`
+    }
+    uni.navigateTo({ url })
+}
+
 const goShopping = () => {
 	uni.switchTab({ url: '/pages/mall/consumer/index' })
 }