is the right side chainline right ? left hardly matters. it clears the chainstay?
buy a different longer on the left end BB if it bothers you.
after all you said its a junque build up .
if It gets you down the road its a success.

just not a total success.

There has been a prior owner that hit the ground
with the pedal on the inside of a corner,
bent crank arm and spindle of pedal