//! Shared Unix-coherence scaffolding for polychrome binaries (PRD ยง11):
//! structured logging, a health/metrics side-server, and signal-driven graceful
//! shutdown. Used by both the control plane and the harness so the two binaries
//! behave identically under Kubernetes.
pubmodhealth;pubmodobservability;pubmodpropagation;pubmodsignals;pubmodsupervise;