Major additions:
- Branch scoping for all 15 list components via UsesBranchScope trait
- Payment notification listener (email/SMS on every payment)
- Print receipt button on POS, payment wizard, and invoice show
- CSV export for participants, payments, invoices, enrollments
- Global search in topbar (participants, invoices, groups)
- Bulk messaging component (SMS/email by group, status, membership)
- Weekly schedule visual timetable with program/trainer filters
- Trainer dashboard (today's sessions, assigned groups, attendance links)
- Duplicate participant detection in registration wizard
- Enhanced dashboard: today's schedule, overdue invoices, birthdays, recent payments
- 7 scheduled commands: daily summary, birthdays, low stock, expiring enrollments,
  installment reminders, overdue reminders
- Health check endpoint (/health)
- Participant transfer service and group capacity service
- WhatsApp link helper for quick communication
- User activity tracking middleware
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>