assistant2: Add configuration (#23481)

This PR wires up the ability to configure Assistant2.

<img width="1309" alt="Screenshot 2025-01-22 at 1 52 56 PM"
src="https://github.com/user-attachments/assets/3de47797-7959-47af-bd93-51f105e87c28"
/>

Release Notes:

- N/A
514d9b4161Marshall Bowers committed on 1/22/2025, 7:07:48 PM· committed by GitHubparentf770397
3 files changedLine totals unavailable