Data Flow Summary

1. Producer Service → Publishes new orders to Kafka (order-topic).
2. Consumer Order Service → Processes order events
   1. Listens to order-topic (order list updates).
   2. Broadcasts order list in real time to connected WebSocket clients.
3. Consumer Delivery Service →
   1. Listens to delivery-topic (driver position updates).
   2. Broadcasts updates in real time to connected WebSocket clients.
4. Angular Frontend → Displays orders and live locations on a map (Leaflet).