//! Cursor and walking primitives for Orbit rings.
//!
//! This module owns the generic "walk counters from cursor to head"
//! semantics shared by event streams, cache compaction, metrics, and
//! future ring-backed substrates. Semantic layers decode frames after
//! this layer has handled wraparound, missing slots, and cursor advance.
pub use ;
pub use RingFrameSource;
pub use RingCursor;
pub use poll_ring;