- tree "Subagent sessions":
  - treeitem "event-sourcing researcher Explain event sourcing in one · continuable · not running just now" [expanded] [level=1]:
    - button "Collapse event-sourcing researcher descendants":
      - img
    - text: event-sourcing researcher Explain event sourcing in one · continuable · not running just now
  - group:
    - treeitem "example editor continuable · not running just now" [level=2]
  - treeitem "event-sourcing reviewer one-shot · not running just now" [level=1]
