A refrigerator with a robotic arm inside of it that puts your groceries away for you was not on my bingo card. Yet, at Dreame’s NEXT event in San Francisco on Tuesday, the company said that’s one of its next big ideas. I’ll believe it when I see it, of course, but we should still talk about it. Dreame is calling it the N1 Refrigerator, and it sounds fully unhinged. (Not the two French doors the company showed it with. I’m pretty sure those have hinges.) Watching an animation that the company displayed during its presentation, I was very confused as a digital person placed a full bag of groceries in the middle of the fridge’s bottom shelf. “Well, that’s an insane thing to do,” I thought. Then, a robotic arm and hand I hadn’t noticed before, folded up at the top of the fridge, descended into view and started pulling things out of the bag and putting them away, and my brain cracked a little.…