docs: Improve agent's "get notified" section (#31496)

Quick docs refinement as a follow-up to
https://github.com/zed-industries/zed/pull/31472.

Release Notes:

- N/A
f8f36d0c17Danilo Leal committed on 5/27/2025, 11:00:37 AM· committed by GitHubparent05763b2
1 file changedLine totals unavailable