James Blish's Cities In Flight...
...spanned history to the end our our universe. The main characters were present at the end, and their bodies (don't ask me for details, way too long ago) became seeds to create new, subsequent universes.
In that model, there was a sentient being associated with the beginning(s) of the universe(s). But He imposed no design, nor had any control, nor could He even watch his creation.