Hacksaw motivation? loss of repair creativity or brain damage.
It can be fixed.
Insure the adjuster threads are good or redeemable.
the axle slot on the drive side appears to be increasing in size torward the front, that might be the clue.
drop the fork, I bet Nervor steerer. You need to push out the dent on the head tube anyway.
The added stampings on the frame could well be post fabrication.