⚡ Frontend Real-time Features Integration

## 📋 Overview
Integrate frontend with WebSocket for real-time notifications and updates.

## ✅ Acceptance Criteria
- [ ] WebSocket client setup
- [ ] Real-time notifications component
- [ ] Live booking status updates
- [ ] Technician availability indicators
- [ ] Toast notifications for updates

## 📝 Dependencies
- Backend WebSocket implementation completed

⏱️ Estimated Time: 4-6 hours
