The receptionist opens the day view at eight-thirty.
Every column is a stylist on today's roster; stylists on leave or on a break are greyed out, so nothing can be dropped onto them.
A client calls to book a full head of colour with Priya for Saturday: the system knows the treatment is a three-stage appointment, blocks Priya for the colour application, frees her for the forty-minute processing window so a trim can be slotted in, and books her again for the cut and finish.