The author who claims a Secret Service agent snuck her into Barack Obama's beachfront Hawaii home for sex in Michelle's bathroom is hoping her story gets made into a movie ... and she's got some ideas who should play her and her lover. Koryeah Dwanyen joined us on "The TMZ Podcast" to talk about her book, "Undercover Heartbreak: A Memoir of Trust and Trauma" ... and we asked her if Hollywood movie studios are blowing up her phone.