How to send more information to the frontend

## I'd like to extend some events that can be sent to the frontend.
### I noticed that during problem processing, the console displays some thinking questions and answers, etc. I want to also send these to the frontend for display. What do I need to do to implement this?

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Example: I'd like the frontend to know when the system is currently performing web searches, then display the URLs being accessed along with the web content retrieved.

such like this


Additionally, I've been examining the code implementation. Would handling the action in this way achieve similar results, or is there a better approach? Thanks for your help!