//! Module: subnet_catalog::report::model::stale
//!
//! Responsibility: define cache staleness metadata shared by subnet catalog reports.
//!
//! Does not own: timestamp parsing, refresh decisions, cache reads, or text rendering.
//!
//! Boundary: carries derived freshness facts in report models without performing
//! filesystem or clock operations.
use ;
/// Derived freshness status for a cached subnet catalog snapshot.