fix: 在handleImportComplete中添加状态保存逻辑

- 导入完成时保存任务状态到localStorage
- 修复getLastImportTooltip中的字段名不一致问题(saveTime)
- 确保导入状态持久化功能正常工作

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

ruoyi-ui/src/views/ccdiEmployee/index.vue

@@ -513,8 +513,8 @@ export default {
      */
     getLastImportTooltip() {
       const savedTask = this.getImportTaskFromStorage();
-      if (savedTask && savedTask.timestamp) {
-        const date = new Date(savedTask.timestamp);
+      if (savedTask && savedTask.saveTime) {
+        const date = new Date(savedTask.saveTime);
         const timeStr = this.parseTime(date, '{y}-{m}-{d} {h}:{i}');
         return `上次导入: ${timeStr}`;
       }
@@ -724,6 +724,16 @@ export default {
     },
     /** 处理导入完成 */
     handleImportComplete(statusResult) {
+      // 更新localStorage中的任务状态
+      this.saveImportTaskToStorage({
+        taskId: statusResult.taskId,
+        status: statusResult.status,
+        hasFailures: statusResult.failureCount > 0,
+        totalCount: statusResult.totalCount,
+        successCount: statusResult.successCount,
+        failureCount: statusResult.failureCount
+      });
+
       if (statusResult.status === 'SUCCESS') {
         this.$notify({
           title: '导入完成',