First, use the top edge of the fuse where the canopy frame mounts as the baseline.

Adjust the other parts to be 0 relative to the baseline. Do this by enlarging the aliognment dowel hole and rotate the surface until correct, then;

on the wings, glue a new donut over the dowel to secure the location.
on the stabs, fill the void with epoxy.

Anything within 1/2 degree is within tolerance.

I would not worry about the wash-in until you fly it, that could be caused by the aileron being slightly off center and be an actual twist.

TF