Service Reminder and Declined Work Agent

Shops hold years of service history but rarely use it, so due maintenance and declined repairs are forgotten until something breaks. Each week this agent reads each vehicle's history, the maker's maintenance schedule and repairs the customer declined. It estimates current mileage from the average daily miles between past visits and lists items due within 30 days or 1,000 miles. Declined safety items are reminded after 30 days, others after 60. Before drafting anything, it checks the latest records and customer notes so it does not remind someone about work done elsewhere or a car they sold. If an item is done or the car is gone, it rebuilds the list. It then drafts reminders with appointment times that fit shop capacity. Opt-outs are always respected. The service manager approves the messages. Edge case: a customer who said they sold the car is removed.