assistant2: Visualize tool use (#25692)

This PR adds visuals for tool use in Assistant 2:

<img width="1309" alt="Screenshot 2025-02-26 at 5 57 14 PM"
src="https://github.com/user-attachments/assets/4083ff65-a2f1-4a43-8815-0bade2c00af2"
/>

Release Notes:

- N/A

Marshall Bowers committed 1y ago

f0dec2f576646f0cf077dcd3814691ff5a45ef57

Parent: 9f7c65d

Committed by GitHub <noreply@github.com> on 2/26/2025, 11:19:24 PM