task-92(店铺中心): 实现编辑店铺表单

新增 shop-manage-edit-form.ts(店铺行预填编辑字段，密码掩码不回填需重录)，
补充 toShopManageUpdateRequest(不含 createdById)，并在 shop-manage-api.ts 增加
submitUpdateShopManage(PUT /api/admin/shop-manages/{id})。

TDD: task-92.test.ts 8 用例先 RED 后 GREEN。

admin-frontend-vue/src/pages/shop/shop-manage-api.ts

@@ -13,6 +13,7 @@ import {
 } from './shop-dto.ts'
 import {
   toShopManageCreateRequest,
+  toShopManageUpdateRequest,
   validateShopManageForm,
   type ShopManageFormValues,
 } from './shop-manage-form-model.ts'
@@ -46,3 +47,17 @@ export async function submitCreateShopManage(form: ShopManageFormValues, created
   }
   return item
 }
+
+/** 提交编辑店铺：先校验(失败抛首条错误不发请求)，PUT /api/admin/shop-manages/{id}。 */
+export async function submitUpdateShopManage(id: number, form: ShopManageFormValues): Promise<ShopSummary> {
+  const { valid, errors } = validateShopManageForm(form)
+  if (!valid) {
+    throw new Error(Object.values(errors)[0] || '店铺表单校验未通过')
+  }
+  const { data } = await http.put<unknown>(`${SHOP_MANAGE_ENDPOINT}/${id}`, toShopManageUpdateRequest(form))
+  const item = toShopSummary(unwrap<unknown>(data))
+  if (!item) {
+    throw new Error('更新店铺响应异常：未返回有效记录')
+  }
+  return item
+}