Add a toggle to view more stats(Stats for nerds)

A toggle to see more stats like t3 chat would be really good to have. I really like the stats for nerds part of t3 chat :) 

I want more visibility into if models are actually being slow or if it just seems that way. 
What i'm talking about 👇🏾
<img width="1174" height="102" alt="Image" src="https://github.com/user-attachments/assets/23cf32c8-72a4-467b-9210-9f2b437bf6ba" />