Module engine 

Structs

HeartbeatEngine

Heartbeat engine — reads HEARTBEAT.md and executes tasks periodically

HeartbeatMetrics

Live health metrics for the heartbeat subsystem. Shared via Arc<ParkingMutex<>> between the heartbeat worker, deadman watcher, and API consumers.

HeartbeatTask

A structured heartbeat task with priority and status metadata.

Enums

TaskPriority

Priority level for a heartbeat task.

TaskStatus

Status of a heartbeat task.

Functions

compute_adaptive_interval