📥 Bulk CSV Import
Required: Tracking, Customer Name, Destination, Courier, Amount, Product
Optional: Phone Number, Status, Date (for historical data)
Status values: in-transit, delivered, returned, claimed-return, missing
Date format: YYYY-MM-DD (e.g. 2026-05-15)
Physical returns: add column physically_received=yes
Default Status (if no Status column in CSV)