People: person, role, member
Tell person, role and member apart, and see why a job change adds a role rather than overwriting one.
Orientation
Note
Not written yet. The title, surface badge and description above are the approved ones from the 9 August 2026 docs handoff. The body is still to be written, against the per-subsystem research notes and the page template in that handoff's §7. Nothing here is product truth yet.