--- Delay days debug starts ---
is_delivery_today - 1
available_days - 1, 5, 2, 6, 3, 4
--- Processing date - 2025-12-24
Delay count = 1 day num = 3 sorted date present = 0 is_working_day = 1, sorted_dates set - , is_working_day - 1
--- Processing date - 2025-12-25
Delay count = 2 day num = 4 sorted date present = 0 is_working_day = 1, sorted_dates set - , is_working_day - 1
--- Processing date - 2025-12-26
Delay count = 3 day num = 5 sorted date present = 0 is_working_day = 1, sorted_dates set - , is_working_day - 1
--- Processing date - 2025-12-27
Delay count = 4 day num = 6 sorted date present = 0 is_working_day = 1, sorted_dates set - , is_working_day - 1
--- Delay days debug ends ---