WIP: recover runtime implementation after accidental git clean

src/runtime/mod.rs

@@ -0,0 +1,27 @@
+//! Unified Enterprise Runtime Lifecycle for `nx9-auth`.
+//!
+//! Provides application assembly (`ApplicationBuilder`), lifecycle management
+//! (`Application`, `Lifecycle`), atomic state machine (`RuntimeState`),
+//! signal coordination (`SignalManager`), prioritized shutdown hooks
+//! (`ShutdownHook`), worker management (`WorkerManager`), and operational
+//! metrics (`RuntimeMetrics`).
+
+pub mod application;
+pub mod builder;
+pub mod cancellation;
+pub mod hooks;
+pub mod lifecycle;
+pub mod metrics;
+pub mod signals;
+pub mod state;
+pub mod workers;
+
+pub use application::Application;
+pub use builder::ApplicationBuilder;
+pub use cancellation::ShutdownCoordinator;
+pub use hooks::{HookRegistry, ShutdownHook, ShutdownPriority};
+pub use lifecycle::Lifecycle;
+pub use metrics::RuntimeMetrics;
+pub use signals::SignalManager;
+pub use state::{AtomicRuntimeState, RuntimeState};
+pub use workers::{TaskGroup, WorkerManager};