1. A system comprising: at least one processor; and one or more computer-readable storage media including instructions stored thereon that, responsive to execution by the at least one processor, cause the system to perform operations including: rendering an operation chart that includes visual indicia of an operation value for an operation and an operation progress for the operation; ascertaining that the operation chart is to be rescaled from a current scale, said ascertaining based on a change in the operation value for the operation; determining a target scale to be used to rescale the operation chart; and visually rescaling, by one or more of the instructions executed by the at least one processor, the operation chart incrementally towards the target scale until the current scale of the operation chart matches the target scale.