Earlier quoted context omitted.
AI has zero need to see the renders (you are just wasting tokens) and that is why I built the Go version - I patched a lot of the PPTX code in my MCP server, as it happens.
while i appreciate that you are working on something to give away for free, providing your own little world of value... your comment makes it sound like you've never made powerpoints before. of course, there are a bajillion powerpoints out there in the wild that layer white rectangles to erase stuff from screenshots of charts, among numerous other atrocities
Of course AI can one-shot slides, but if you want good results where everything is aligned and has proper contrast you need a visual feedback loop