On the Shelf Come Undone: A Novel By Eddie Huang One World: 240 pages, $29 Eddie Huang has never felt lighter. Last month, after his debut novel, “Come Undone,” finally released, something shifted. “I have a family. I feel healed,” he said over coffee and short ribs in Santa Monica hours ahead of a live talk with Ottessa Moshfegh, the bestselling, critically acclaimed author of Huang’s favorite book, “My Year of Rest and Relaxation.” “People always write me off as a personality or a multi-hyphenate,” he said. “It’s a nice way of saying I’m not really good at anything. But I didn’t have any of that this time.” He leaned forward, serious. “I have to be honest. I do think the Knicks are a big, big part of it.” His beloved Knicks winning the championship, he said, kept him from spiraling over the book. In person, Huang subdues his ironic braggadocio with polite eye contact and rolling belly laughs at his own jokes. For years, audiences have watched Huang resist whatever box you put him …