Theo Epstein isn’t blind to his imperfections. He admitted as much during this week’s farewell Zoom conference from the Wrigley Field interview room. He’s aware of his legacy and attuned to the media coverage.“If you look at my track record in Boston and then here, in the first six years or so, we did some pretty epic things,” Epstein said. “And then the last couple years weren’t as impressive. Maybe what that tells me is I’m great at and really enjoy building and transformation and triumphing….