Framepack wf that extracts the end frame to be re-used later for combining scene or actions.
Enable teacache for speed up.
Load image and generate short scenes focused on each action.
You can choose to save the end frame at the end by clicking the picture of the Image Loader node and progress.
Now continue from the new picture. Unless you didn't save.
Continue until happy and if you want re-run the videos without teacache.
Combine infinte videos with actions as long as you want with prompts. Just remember to continue through the end frames