bhaveyx/codebase-explainer ? reverse-engineered prompt

Build me a tool for coding agents that can take a GitHub repo or local codebase and turn it into a narrated animated explainer video.

I want the flow to be simple, give it a repo link, let it inspect the code and commit history, figure out the important parts, and then write a story style script that explains how the project works and why it was built that way. It should double check the facts against the source so it does not make things up, then create scenes, narration, captions, diagrams, and background music, and render everything into an MP4 on my machine.

Please also include a review step where I can approve the script or visual style before the final video is made, plus save the research notes and a summary of time, cost, and usage when it is done. Keep it all local if possible, and look up current docs online if you need to.