fix(用户管理): 修复用户搜索参数名称不一致问题

- 将前端搜索参数从 username 改为 keyword，与后端 API 保持一致
- 更新 UserPageRequest 接口，添加 keyword 字段

问题原因：
- 前端传递 username 参数，但后端期望 keyword 参数
- 导致后端无法正确处理搜索请求，搜索关键字为 null

影响范围：
- 用户管理页面的搜索功能
- E2E 测试中的用户搜索步骤

novalon-manage-web/e2e/customReporter.ts

@@ -113,9 +113,13 @@ class CustomReporter implements Reporter {
     if (stats.failedTests.length > 0) {
       console.log('❌ 失败的测试:');
       stats.failedTests.forEach((test, index) => {
-        console.log(`  ${index + 1}. ${test.title}`);
-        console.log(`     位置: ${test.location.file}:${test.location.line}`);
-        console.log(`     错误: ${test.error?.message}`);
+        console.log(`  ${index + 1}. ${test.title || '未命名测试'}`);
+        if (test.location?.file) {
+          console.log(`     位置: ${test.location.file}:${test.location.line || 0}`);
+        }
+        if (test.error?.message) {
+          console.log(`     错误: ${test.error.message}`);
+        }
       });
       console.log('');
     }

novalon-manage-web/playwright/.auth/user.json

@@ -6,7 +6,7 @@
       "localStorage": [
         {
           "name": "token",
-          "value": "eyJhbGciOiJIUzM4NCJ9.eyJyb2xlcyI6WyJhZG1pbiJdLCJ1c2VySWQiOjEsInVzZXJuYW1lIjoiYWRtaW4iLCJzdWIiOiJhZG1pbiIsImlhdCI6MTc3NTYzMjQ5OCwiZXhwIjoxNzc1NzE4ODk4fQ.pBjBrFhB-aLbneWoasbZn-K-JUAAZQHEzXsRXyQ_042q24gWkbznWm9MVm9tPtDS"
+          "value": "eyJhbGciOiJIUzM4NCJ9.eyJyb2xlcyI6WyJhZG1pbiJdLCJ1c2VySWQiOjEsInVzZXJuYW1lIjoiYWRtaW4iLCJzdWIiOiJhZG1pbiIsImlhdCI6MTc3NTYzMzUxMiwiZXhwIjoxNzc1NzE5OTEyfQ.z8GEm_YKF0jGh_KWAk9NVW41TL9JDY5RcgQaLEpktrk2JRDWs9gfuLV0fQSs3EJ5"
         },
         {
           "name": "permission",

novalon-manage-web/src/api/user.api.ts

@@ -35,6 +35,7 @@ export interface UpdateUserRequest {
 export interface UserPageRequest {
   page: number
   size: number
+  keyword?: string
   username?: string
   nickname?: string
   status?: string

novalon-manage-web/src/views/system/UserManagement.vue

@@ -291,7 +291,7 @@ const fetchData = async () => {
       size: pagination.pageSize,
       sortBy: sortInfo.sortBy,
       sortOrder: sortInfo.sortOrder,
-      username: searchKeyword.value || undefined
+      keyword: searchKeyword.value || undefined
     })
     dataSource.value = res.content
     pagination.total = res.totalElements