ChildrenWithinReachTests reads the production generator's zones (seeds 1-6)
through the Zone and checks each Place rule; SubzonesAreIsolated prints its
pair and orbit counts. StationPlacementTests: a station's source is a body (the
tutorial root-node fallback excepted), turrets clear their base's extent, no
station or turret sits on an unrelated body over 64 instants. Not yet run.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>