infrastructure

Near-sun operations forced machine branches to treat thermal regulation as a civic condition rather than a background system.

Colonies closer to the Sun forced the Children of Luna toward tighter climate discipline, exposure-aware aging, and more selective biohybrid architectures.

Biological exos appeared where they solved energy, repair, and survival problems that pure machine architectures handled less efficiently.

Certain biohybrid branches proved more durable under radiation than mammalian comparators, but only when colonies could maintain tighter climate control.