Integrate Queue & Schedule CRUD APIs

[levelslip]

• Description: Integrate queue management and scheduling endpoints
• Activities:
  • Implement appointment booking API integration
  • Implement appointment cancellation
  • Implement appointment list fetching
  • Create queue status API integration
  • Implement schedule fetching for doctors
  • Create department list API integration
  • Implement availability checking
  • Create optimistic updates for better UX
  • Setup error handling for API failures
  • Implement retry logic for failed requests
• Deliverables: Queue and schedule API integration, CRUD operations