I just finished this. Rated ★★★★★ and now believe every bit of the hype and buzz about this new-to-me science fiction series.
An actual in-depth review ... well, that's going to elude me. The "feels" and how extremely easy it would be to ruin all the twists via spoilers if not carefully written.
Suffice to say, I returned the library book and am buying a hardcopy of this one and the rest of series. Dang good SF with interesting AI, characters, and zero aliens.