Resolve recommended-profile Critical and High findings, retain narrow analyzer exceptions, and update the edge-broker WebSocket dependency to a non-vulnerable release.
- Deleted `complete_booking_f` and `generate_booking_wash_certificate_f` classes.
- Updated tests to ensure legacy booking completion routes are disabled.
- Introduced tests for POST `/order-bookings/complete` to enforce POS-based booking completion management.
- Added `/collected-invoices/split-by-month` route with API and unit tests for splitting collections into monthly periods.
- Refactored impacted files to exclude legacy references and ensure continued compatibility with POS processes.
Jeppe B