Importantly, they've given you a whole months notice. Figure out what happens with your PL (are you unlimited? Then make sure to take the max time your manager will allow, if not figure out if it gets paid out), two, don't let them terminate you early, try to still be employed by the 1st of Jan, it helps with health insurance sticking around a little longer, and third, figure out what's going on with severance. Potentially it's in your favor to tell them you WILL come in, then no-show, rather than say you won't and get laid off next week.
Finally: you got plenty of employable skills and people are hiring. To help do these 2 things: if you've got employee reviews from the past few years, email those to your personal email cause it might have accomplishments in it, 2) get a copy of the job description for your position, whatever skills it lists, you have em already, or they wouldn't have hired you!
Just made these today, first time making one of his recipes, would recommend.
More generally, we've got some blogs we've followed for enough years to trust. Koreanbapsang.com, rainbowplantlife, pickuplimes, chinesecookingdemystified.substack.com, and some others. But all of those we followed before ai slop became viable