The user can view a list of numbered storage slots, with the status of each slot shown. The status of a slot includes whether it's currently available or booked, and when the current booking ends.
From the storage slots list, the user can click a link to book an available slot for the standard booking period, provided the user does not currently hold the maximum number of concurrent bookings.
Separately, the user can view a list of their current bookings, and the expiry dates of those bookings.
From the current bookings list, the user can click a link to release a booking they currently hold.
From the current bookings list, the user can click a link to renew a booking by the renewal booking period, if that booking is within the rebooking period, and the booking has not already reached the maximum number of renewals.
From the storage slots list, the user can click to book an unavailable slot if if it will become available within the Book Ahead Period. Their booking will be for the standard booking period, starting from when the current booking ends.
Show the list of all storage slots as a graphical representation of their physical layout in the space.
With the above, the following are config variables that can be tweaked as we bed in: