Queue Management & External Mock API Integration

[levelslip]

• Description: Implement queue generation, status tracking, and BPJS mock
• Activities:
  • Create queue registration service:
    • POST /api/queue/register: Assign sequential queue numbers per department per day
    • Calculate initial position in line
  • Queue status tracking:
    • GET /api/queue/:id/status: Return position, status, and basic wait estimate
  • Staff queue operations:
    • PATCH /api/queue/:id/status: Update status (WAITING → IN_SERVICE → COMPLETED)
    • Record accurate timestamps for analytics
  • Implement Mock BPJS Integration:
    • POST /api/insurance/verify: Mock external HTTP call to verify patient BPJS number
• Deliverables: Queue assignment logic, status management, Mock BPJS service