消息推送系统

# Unified Message System Documentation

## Overview

This document describes the architecture and interfaces of the Unified Message System.

## Components

- **Sender**: Interface for sending messages.

- **Receiver**: Interface for receiving messages.

- **Middleware**: Handles message storage and forwarding.

## Example Implementation (Python)

class Sender:
def send(self, message):
print(f"Sending message: {message}")
class Receiver:
def receive(self, message):
print(f"Received message: {message}")
class Middleware:
def store_message(self, message):
print(f"Storing message: {message}")
def forward_message(self, message):
print(f"Forwarding message: {message}")

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