Building Chat Applications
Chat Architecture
Components: 1. Frontend interface 2. Message handling 3. LLM integration 4. History management 5. State persistence
Message Format
Standard structure: [ {"role": "system", "content": "You are..."}, {"role": "user", "content": "Hello"}, {"role": "assistant", "content": "Hi! How can I help?"}, {"role": "user", "content": "Tell me about..."} ]
Key Features
1. Message Threading Track conversation context
2. System Prompt Define assistant behavior
3. Streaming Real-time response display
4. Error Handling Graceful degradation
5. Rate Limiting Prevent abuse