Repo-wide changes like AGENTS.md stay in the main workspace;
feature work should use isolated workspaces.

Assisted-by: Claude Opus 4.6 via pi

diff --git a/AGENTS.md b/AGENTS.md
index 4494b79..de9f5f7 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -140,7 +140,7 @@ The integration test (`tests/cli.rs`) exercises the full workflow via the compil
 
 This project uses **jj** (Jujutsu), not git directly. Use `jj` commands for commits, diffs, and history.
 
-Use jj workspaces (in `work/`) for feature work. See the `jj-workspaces` skill.
+**Prefer jj workspaces** (in `work/`) for feature work. See the `jj-workspaces` skill. Repo-wide changes like AGENTS.md updates should be made in the main workspace, not in feature workspaces.
 
 ### Finishing Workspace Work