This reframes ROTJ in a sinister light across the board. The Emperor here would put Dumbledore or Jigsaw to shame. Some of the details of his master plan may be difficult to convey without exposition dumps in the story, but that might be compensated by the fact it's so fascinating.

Much of what you have here seems to be in hindsight, though. It's revelations of past events. How will Luke, if he's the one to do it, arrange another assault on the Empire in the future? The Rebellion here sounds all but destroyed. We end up in much the same place as in the beginning of ANH, but with a cast of different faces perhaps, and the potential for another Force-sensitive.

I hope you can get around to writing this, even in prose. That'd be a huge task. I can understand if not. But it'd be nice to see you at least continue to develop the plot.