flowchart TB
  BC[Billing Crew]
  RA[Reminders Agent — توقيت ذكي]
  CC[Contract Crew — توليد عقد]
  CRS[Compliance & Risk Supervisor]
  ST[Stripe]
  ES[eSign]

  BC --> WA[WhatsApp + Email فاتورة]
  BC --> RA
  RA --> ST
  CC --> ES
  BC --> CRS
  CC --> CRS