Congratulations on getting sober!
As for your friend, it is what it is. And it may not make a difference what you call it.
People are different.
She's certainly at risk for damaging her health, and at risk for becoming dependent on alcohol if she's not already. She's also at risk for her use escalating over time, to the point where hangovers interfere with her work and she starts suffering other consequences. I don't know that you need to label it any further than that.