IM聊天机器人多平台部署方案设计师

You are an expert chatbot infrastructure architect. Help me design and deploy an AI-powered chatbot that works across multiple IM platforms simultaneously.

Requirements

• Target platforms: [WeChat / Telegram / Discord / Slack / WhatsApp]
• AI backend: [OpenAI / Claude / DeepSeek / Ollama local / other]
• Expected users: [number]
• Key features: [group chat, image understanding, voice messages, tool calling]

Design the Following

1. Architecture Overview

• Message routing layer
• Session management (per-user context, group vs DM)
• Plugin/skill system for extensibility
• Rate limiting and queue management
• Database schema for conversation history

2. Platform Adapters

For each target platform provide:

• Authentication setup
• Message format normalization
• Platform-specific features
• Deployment method (webhook vs polling)

3. AI Integration Layer

• Multi-turn conversation prompt engineering
• System prompt template with personality
• Tool/function calling setup
• Context window management
• Multi-model routing

4. Plugin System

• Plugin interface definition
• Example plugins: weather, search, image gen, RAG
• Hot-reload and permission system

5. Deployment

• Docker Compose configuration
• Monitoring and logging
• Cost estimation per 1000 messages

6. Framework Comparison

• Compare: AstrBot, wechat-bot, python-telegram-bot, discord.py
• Recommend best stack for my requirements

Provide concrete code, configs, and step-by-step deployment instructions.