fix lint

Author: mydea

AGENTS.md

@@ -69,7 +69,7 @@ Uses **Git Flow** (see `docs/gitflow.md`).
 
 ## Pull Requests
 
-- **Do NOT add a "Test plan" / "Testing" checklist to PR bodies.** CI runs the full test suite on every PR — a hand-rolled checklist duplicates that signal and rots fast. Use the PR body for *Summary* and *Root cause* (if relevant) only.
+- **Do NOT add a "Test plan" / "Testing" checklist to PR bodies.** CI runs the full test suite on every PR — a hand-rolled checklist duplicates that signal and rots fast. Use the PR body for _Summary_ and _Root cause_ (if relevant) only.
 - Include `Fixes #<issue-number>` somewhere in the PR body so the merge auto-closes the linked issue.
 
 ## Architecture