add prompt flow for trace

[huqianghui]

Description

[Provide a brief description of the changes made in this pull request.]

Related Issues

[Reference any related issues or tasks that this pull request addresses.]

Proposed Changes

[List the specific changes made in this pull request.]

Checklist

• [x] I have tested these changes locally.
• [x] I have reviewed the code changes.
• [x] I have updated the documentation (if necessary).
• [x] I have added appropriate unit tests (if applicable).

Additional Notes

[Add any additional notes or context that may be helpful for the reviewer(s).]