应用导入时未对部分节点进行配置校验

功能摘要 / Feature Summary

问题优化、文本提取、问题分类等节点在导入时没有进行配置校验

功能类型 / Feature Type

用户体验改进 / UX Improvement

优先级 / Priority

高 - 非常需要这个功能 / High - Really need this feature

问题描述 / Problem Description

应用导入后，如果导入的应用中存在问题优化、文本提取、问题分类等节点，使用的模型服务不存在，页面上没有提示，在运行应用之后才能感知配置有问题。
After importing an application, if it contains nodes such as problem optimization, text extraction, or problem classification, and the associated model services do not exist, there is no prompt on the page. The configuration issues can only be noticed after running the application.

建议的解决方案 / Proposed Solution

在应用导入时增加问题优化、文本提取、问题分类等节点的可用性检查
Add availability checks for nodes such as problem optimization, text extraction, and problem classification during application import.

替代方案 / Alternative Solutions

No response

确认事项 / Confirmations

• 我已经搜索了现有的 issues 和讨论，确认这不是重复建议
  I have searched existing issues and discussions, confirming this is not a duplicate suggestion

• 这个功能符合项目的目标和范围
  This feature aligns with the project's goals and scope

• 我理解这个功能可能需要时间来实现
  I understand this feature may take time to implement

• 我愿意协助实现这个功能 (可选)
  I'm willing to help implement this feature (optional)