修复购物车位置操作的版本绑定与冲突确认

tests/review-style-layout.e2e.test.mjs

@@ -3,6 +3,7 @@
  * 所有内容来自生产已有的本地 HTTP 边界；尺寸断言读取实际 DOM，不检查源码形状。
  */
 import assert from "node:assert/strict";
+import { createHash } from "node:crypto";
 import { test } from "node:test";
 import { firefox } from "playwright";
 import {
@@ -118,17 +119,22 @@ async function layoutBoundary(
             create_time: 1700000000,
           },
         });
-      if (path === "/cart")
+      if (path === "/cart") {
+        const list = Array.from({ length: 14 }, (_, index) => ({
+          product_id: 123,
+          qty: 1,
+          name: `云产品 ${index + 1}`,
+          config_options: { cpu: index + 1 },
+          customfield: {},
+          self_defined_field: {},
+        }));
         return reply({
-          list: Array.from({ length: 14 }, (_, index) => ({
-            product_id: 123,
-            qty: 1,
-            name: `云产品 ${index + 1}`,
-            config_options: { cpu: index + 1 },
-            customfield: {},
-            self_defined_field: {},
-          })),
+          list,
+          revision: createHash("sha256")
+            .update(JSON.stringify(list))
+            .digest("hex"),
         });
+      }
       if (path === "/product/123/config_option")
         return reply({
           price_total: "10.00",