P0-S2-003: Chat Interface Integration

[Reg-Kris]

User Story

As a user, I need a functional chat interface so I can interact with PyAirtable using natural language.

Acceptance Criteria

• WebSocket connection to backend
• Message sending and receiving
• Conversation history persistence
• File upload capabilities
• Real-time typing indicators
• Error recovery and reconnection
• Message formatting and markdown support

Branch Name

feature/chat-integration

Story Points

5