Module session 

Session management for ACP Agent

This module handles:

• Session lifecycle (create, get, remove)
• Token usage tracking
• Permission handling
• Session state management
• Interactive permission requests
• Background process management

Structs

BackgroundProcessManager

Manager for background terminal processes

PendingPermissionRequest

Pending permission request from hook

PermissionHandler

Permission handler for tool execution

PermissionManager

Permission Manager - handles permission requests in background tasks

PermissionRequestBuilder

Builder for creating permission requests

PromptManager

Prompt manager

PromptTask

Prompt task wrapper

Session

An active Claude session

SessionManager

Manager for active sessions

UsageTracker

Tracks token usage across a session

WrappedChild

Wrapper around Box that provides a stable interface compatible with Arc<Mutex<>>

Enums

BackgroundTerminal

Background terminal state

ChildHandle

Child process handle that can be either wrapped or unwrapped

PermissionManagerDecision

Permission decision result

PermissionMode

Permission mode for tool execution

PermissionOutcome

Permission request outcome after user interaction

TerminalExitStatus

Terminal exit status

ToolPermissionResult

Permission check result from the handler

Functions

stable_cache_key

Generate a stable cache key from JSON value

Type Aliases

PromptId

Prompt task identifier