Use-case 0015 - Complete a Booking

Initiating actor: Pet Sitter

Other actors: Pet Owner

Description: After a booking has finished, the Sitter logs in and marks it as completed. This transitions the status to 'Completed' and allows the Owner to leave a review.

Scenario:

1. Pet Sitter navigates to their "Pending Requests" dashboard.
2. Sitter finds a Confirmed booking that has finished and clicks "Mark as Completed".
3. System updates the booking status in the database:

   UPDATE bookings
   SET status = 'Completed'
   WHERE booking_id = 'specific-booking-uuid-here';