## What changed and why
<!-- One or two sentences; the notes themselves hold the detail. -->

## Checklist
- [ ] Verified against the live system (or marked "not verified" in the notes)
- [ ] Notes the dependency matrix names are updated; one line added to the sync log in `myco-notes/sync-tracker.md`
- [ ] No secrets, personal data or credentials in the diff (CI also scans)
- [ ] `python3 myco-notes/tools/notes-lint.py` has no errors