A PPT-to-video feature looks simple from the outside: upload a deck, choose a few options, and wait for an MP4. The hard part is not the button. It is designing everything around a long-running, paid generation task so that users know what will happen and the system does not accidentally create...
Source: [Dev.to](https://dev.to/nicedayup/designing-an-async-ppt-to-video-workflow-without-duplicate-jobs-567)