Lin-Manuel Miranda and Eisa Davis in New York’s Riverside Park, the site of a memorable scene in the movie “The Warriors” involving bat-wielding gang members, Oct. 3, 2024. Miranda and Davis have jointly written the book, music, and lyrics for their new musical, “Warriors,” the first full musical from Miranda since “Hamilton,” opening on Broadway in spring 2027. (Daniel Weiss/The New York Times) By MICHAEL PAULSON “Warriors,” the first full musical from Lin-Manuel Miranda since “Hamilton,”…