Module session_manager 

Session management for resuming conversations.

This module provides functionality for:

• Saving sessions to disk
• Listing previous sessions
• Resuming sessions by ID
• Managing session lifecycle

Structs

OfflineQueueState

Persisted queue state for recovery after restart/crash.

QueuedSessionMessage

Persisted queued message for offline/degraded mode.

SavedSession

A saved session containing full conversation history

SessionContextReference

Durable context-reference metadata attached to a user message.

SessionManager

Manager for session persistence operations

SessionMetadata

Session metadata stored with each saved session

Functions

create_saved_session

Create a new SavedSession from conversation state

create_saved_session_with_mode

Create a new SavedSession from conversation state with optional mode label

default_sessions_dir

Resolve the default session directory path (~/.zagens/sessions).

format_session_line

Format a session for display in a picker

prune_workspace_snapshots

Prune snapshots older than max_age for workspace.

truncate_id

Truncate a session ID to 8 characters for compact display. Returns a &str borrowing from the input — no allocation.

update_session

Update an existing session with new messages