- Add sequence field to group.order model with default value 10
- Update _order to sort by sequence first, then start_date desc
- Add sequence field to tree view with handle widget for drag-and-drop reordering
- Add sequence field to form view for manual editing
- Orders in website list will now be ordered by sequence field
- Fixed _compute_cutoff_date logic: Changed days_ahead <= 0 to days_ahead < 0 to allow cutoff_date same day as today
- Enabled store=True for delivery_date field to persist calculated values and enable database filtering
- Added constraint _check_cutoff_before_pickup to validate pickup_day >= cutoff_day in weekly orders
- Added @api.onchange methods for immediate UI feedback when changing cutoff_day or pickup_day
- Created daily cron job _cron_update_dates to automatically recalculate dates for active orders
- Added 'Calculated Dates' section in form view showing readonly cutoff_date, pickup_date, delivery_date
- Added 6 regression tests with @tagged('post_install', 'date_calculations')
- Updated documentation with comprehensive changelog
This is a more robust fix than v18.0.1.2.0, addressing edge cases in date calculations.