ep: Add 180 token editable region experiment (#46945)

Release Notes:

- N/A

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: Ben Kunkle <ben@zed.dev>
3ce386a118Agus Zubiaga committed on 1/15/2026, 8:46:22 PM· committed by GitHubparentf319845
5 files changedLine totals unavailable