Feature roles excluded from the model (DD-026 D4 rule 4). Towers/raft/purge and the perimeter-adjacent
skirt/brim/support are housekeeping; the generic Custom role stays in-frame (an unmapped token is
kept as model rather than wrongly excluded — the safe direction, RR-007 §7).
Feature roles excluded from the model (DD-026 D4 rule 4). Towers/raft/purge and the perimeter-adjacent skirt/brim/support are housekeeping; the generic
Customrole stays in-frame (an unmapped token is kept as model rather than wrongly excluded — the safe direction, RR-007 §7).