Hi and welcome to NICO Club!
I'm not sure what you're saying squeaks when you turn. The wheel outside? The steering column? The linkage? You could turn while moving and listen and you could turn while sitting still to see if it's the steering arms or if it's the wheels. Try that in the parking lot/ driveway real quick and let us know what squeaks.
As far as year old repairs go, if it didn't feel right, the time to act was a year ago. If it's lasted a this long, it seems like it's not dangerous at least.
For the shakes, I suggest you have your tires rotated (at least swap the front two if they're not directional tread, if so, swap all four, front to back). That might be free where you buy your tires from. That will help you determine if a wheel got out of balance or round because it would move the shakes to another corner. Also, while rotating them, get a good visual inspection of your brakes now that the wheel is out of the way. Something severely worn or warped can cause this stuff and is probably visible. The tire rotating will also have you checking and resetting your lug nuts to throw out a loose nut option.
Another check is to jack up that corner and see if you can move the wheel in odd directions with your hands. If so, bad bearing somewhere. I'd say this is least likely.
I don't have your car, so maybe others with actual experience might see this and chime in. Please let us know how it goes and good luck!