Module replay 

Replay harness implementing JOURNAL_SPEC §9.2.

replay reads events from a JournalReader (or any iterator), feeds them through the pure reduce function, and returns the final PortfolioState with its deterministic hash.

Structs

CheckpointData

Pre-loaded checkpoint state used to skip early events during replay.

ReplayConfig

Configuration for a replay run.

ReplayResult

Result of a successful replay.

Functions

load_checkpoint_data

Deserialize a [Checkpoint] snapshot and validate the hash.

replay

Replay events from an iterator through the reducer.

replay_from_journal

Replay directly from a journal file.

scan_last_checkpoint

Scan a journal file forward and return the last [Checkpoint] event found.