Module session 

High-level session management API

This module provides session management APIs for conversation handling:

• SessionManager - Uses Database directly (existing API, backward compatible)
• SessionManagerGeneric<B> - Uses StorageBackend trait (works with any backend)

Features

• Create and manage conversation sessions
• Add user and assistant messages
• Automatic context compilation for user queries
• Format conversation history for LLM consumption
• Debug and replay conversations

Structs

SessionManager

High-level session management

SessionManagerGeneric

Backend-agnostic session manager

SessionReplay

Replay data for debugging

SessionTurn

A conversation turn (user query + optional assistant response)