A declarative, serializable navigation layer on top of Decompose's ChildStack: a DSL screen registry (no manual KSerializer registration), a navigator tree reachable via Composition Locals (LocalNavigator / LocalLineNavigator / LocalSwitchNavigator / LocalEnclosingLineNavigator), line (stack) and switch (tab) navigation controllers, process-death-safe stack and per-screen state persistence, a recreation-safe LiveNavigator for navigating from a coroutine after an Activity recreation, deep-link ...