Two things could be true at once. Janice was genuinely irate at the maid's insolence for sullying her dress and desired to punish the trembling girl. But also, Janice's heightened senses had long detected the presence of the youngest princess, even if she hadn't turned her back to acknowledge Princess Winter.
This was done for one, integral reason: so that Janice could continue to act out her true heart's desire of beating the maid whilst reinforcing the image of herself being an idiotic, temperamental countess. The seasons changed and so had Janice.
