In my opinion you shouldn't be worried at all. You have an abundance of strong evidence. Have some faith in what you have prepared. You're good to go.
Want more reassurance? My wife's combo I-751/N-400 interview was just two days ago. (3-yr rule on the N-400) For the I-751 we had no joint financial accounts of any kind to show (we each have our own separately) and the house we live in, purchased after marriage, is in my name only. Utilities are also in my name only. No wills, and no POA's. Otherwise, we did have much of the same evidence that you have but with five years of joint tax return transcripts downloaded from the IRS's website as opposed to your two. The examiner never even brought up the topic of the house deed or of any financial accounts, joint or otherwise. Most of these guys realize that this is 2025, not 1985, and that spouses now often keep their finances separate. The examiner did keep copies of joint insurances (house and auto) and a joint car lease agreement. Also kept our tax transcripts. And that was pretty much it financially. He was more interested in how we met and our life story since then. He liked our photos showing travel together and at family group events like Thanksgiving and such. Don't let anyone tell you that photos aren't helpful in an I-751 application and interview. They carry more weight than you might think. Good luck to you, and for Pete's sake... just relax. Speak the truth and you'll pass with flying colors.