Retrieval-augmented generation pipeline

1 Split the document into chunks

Whole sentences are packed together up to the chunk size.

1. #1Northwind Cycles staff handbook. This shop and handbook are fictional and exist only for this lesson. Opening hours. The shop opens at 9 am and closes at 6 pm from Tuesday to Saturday. It is closed on Sundays and Mondays.
2. #2On public holidays the shop opens from 10 am to 3 pm. Returns. Customers may return an unused bike within 30 days of purchase for a full refund. Used bikes can be exchanged within 14 days but not refunded.
3. #3Clothing and helmets must be returned in their original packaging. Warranty. Every new frame carries a five-year warranty against manufacturing defects. Wheels, brakes, and other parts are covered for one year.
4. #4The warranty does not cover damage from crashes, racing, or ordinary wear. Repairs. A basic tune-up costs 45 dollars and takes one working day. Customers can book a repair online or at the counter.
5. #5Bikes left more than 60 days after a repair is finished may be donated to the community bike program. Staff benefits.
6. #6Employees receive a 25 percent discount on bikes and a 40 percent discount on parts and clothing after their first three months. Staff may borrow a demo bike for up to one week, twice a year. Bike fitting.
7. #7A professional fitting takes about 90 minutes and costs 120 dollars. Customers who buy a bike within two weeks of a fitting get the fitting fee back as store credit.