Module persistence 

HNSW index persistence

Serializes HNSW vector indexes to content-addressed blocks and restores them on startup. Uses oxicode for binary serialization.

Structs

IncrementalSnapshot

A lightweight delta snapshot: only the entries that changed since a base full snapshot was taken

IncrementalTracker

Tracks which HNSW entries have been modified since the last full snapshot

IndexEntry

A serializable entry representing a single indexed vector

IndexPersistence

Manages saving and loading IndexSnapshot files

IndexSnapshot

Serializable snapshot of the complete HNSW index state