Since Taking Over the Shop, I've Snacked on Seeds and Watched the Show Every Day

The protagonist, Ye Xin, is a woman. The year her grandmother passed away, she received a letter from her parents, who entrusted a shop to her. When she opened the door, a cat named Mi Tuan appeared before her. It told her that the shop's business was listening to gossip, completing clients' requests, and earning Wish Points... Strange things happened along the way, too. Why does this shop exist, and what is its purpose?