pub fn enforce_self_demote_safe(
actor: &Identity,
target_id: i64,
new_role: Role,
new_active: bool,
) -> Result<()>Expand description
Forbid a user from saving an edit to their own record that drops
their role below its current rank or flips is_active to false.
Self-keep-rank is allowed; raising one’s own rank is blocked
separately by enforce_role_ceiling.