agent: Clearer distinction that we are in Text Thread history (#47295)
Some users were a bit confused that the history between zed agent + text
threads is split up now. Making it a bit clearer for the users still
using text threads which history they are currently looking at.
Release Notes:
- N/A
ccedb24757Ben Brandt committed on 1/22/2026, 12:43:42 PM· committed by GitHubparenta85142e