[Feat]: Removing agents

[AdarPeleg]

Is your feature request related to a problem? Please describe.

Working with A2A It seems to be very incontinent that I can't remove agents in the GUI without restating the program, or disabling agents for particular chats.

Describe the solution you'd like

Removing or disabling agents

Describe alternatives you've considered

No response

Additional context

Might require to be conversation specific (considering the sysprompt)

Code of Conduct

• I agree to follow this project's Code of Conduct