Module types 

Core identifier and tier types used throughout zeph-memory.

Structs

ConversationId

Strongly typed wrapper for conversation row IDs.

EntityId

Strongly typed wrapper for graph_entities.id row IDs.

ExperienceId

Strongly typed wrapper for experience_nodes.id row IDs.

MemSceneId

Strongly typed wrapper for mem_scene row IDs.

MessageId

Strongly typed wrapper for message row IDs.

UsageRecord

A durable per-LLM-call usage/cost/latency record (issue #6549, per-message usage tracking).

Enums

MemoryTier

Memory tier classification for the AOI four-layer architecture.

UsageSource

Discriminates which subsystem produced a UsageRecord row (issue #6549).