Module shutdown 

Graceful shutdown handling for RustRabbit

This module provides mechanisms for cleanly shutting down all RustRabbit components:

• Connection pool cleanup
• Consumer graceful stopping
• Batch flushing before exit
• Health monitoring shutdown

Structs

ShutdownConfig

Shutdown configuration

ShutdownManager

Shutdown manager for coordinating graceful shutdown

Enums

ShutdownSignal

Shutdown signal types

Traits

ShutdownHandler

Trait for components that need shutdown handling

Functions

setup_signal_handling

CTRL+C signal handler setup