if you can get the crankset off, it might clean up to make nice wall art.
Too much work (for me) for a mixte with at least one compromised tube.
But the story you write about trying to make rideable could be worth reading.
So, as a lesson for the rest of us - Go For It.
edit: what about the wooden wheels? assume they are warped.
A wise showman once told me - 'It only takes one show stopper to stop the show!'