Quick question: How are you feeling? Generally "fine"? Not having a "slow-burn, paralyzing anxiety attack"? Well allow me to radically shift your reality, thanks to the first trailer for upcoming indie thriller The Assistant. The film, from first-time narrative writer/director Kitty Green (the documentary Casting JonBenet), promises to get right the hell under your skin -- especially if you've worked any desk job. Julia Garner (Ozark) plays Jane, a young woman who operates under the unfortunately naive position that in our late-capitalist corporate space, hard work yields fair results. Instead, as she finds in the painstakingly …