WebSocket

Lira uses WebSocket connections for real-time communication between the frontend and active bot sessions.

Connection Tracking

Active WebSocket connections are tracked in the lira-connections DynamoDB table.

How It Works

1. When a user opens a meeting page in the Lira frontend, a WebSocket connection is established
2. The connection is authenticated using the same JWT token
3. Real-time updates are pushed to the client:
   • Transcript segments as they arrive
   • Speaker identification updates
   • Bot status changes (joining, active, leaving)
   • Summary generation progress

DynamoDB Schema

Attribute	Description
connectionId	WebSocket connection identifier
userId	Authenticated user ID
meetingId	Associated meeting session
connectedAt	Connection timestamp
ttl	Auto-cleanup timestamp

Connections are automatically cleaned up when the WebSocket disconnects or the TTL expires.