service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date,service_name
mtwtf,1,1,1,1,1,0,0,20250902,20261030,weekday
weekend,0,0,0,0,0,1,1,20250906,20261025,weekend
"+mtwtf+weekend",1,1,1,1,1,1,1,20250902,20261030,"2025-09-02 → 2026-10-30 (58 Mo, 61 Tu, 61 We, 58 Th, 60 Fr, 60 Sa, 60 Su)"
