Module checkpoint 

Checkpoint configuration and storage abstraction

This module provides checkpoint frequency configuration and storage traits for saving and restoring workflow execution state.

Structs

CheckpointConfig

Configuration for checkpoint frequency and behavior

CheckpointMetadata

Metadata about a stored checkpoint

InMemoryCheckpointStorage

In-memory checkpoint storage implementation (for testing/development)

Enums

CheckpointError

Errors that can occur during checkpoint operations

CheckpointFrequency

Checkpoint frequency strategies

Traits

CheckpointStorage

Storage abstraction for checkpoints

Type Aliases

CheckpointId

Unique identifier for a checkpoint