Thank you for the token.
I see that while as you said, you did not have Family HDHP coverage in September or October of 2022, you also entered that you did not have Family HDHP coverage in September or October of 2021.
That is, when you answered the question, "What type of High Deductible Health Plan did [name] have on December 1, 2021?", you answered Family or Self (whichever, it doesn't matter, but I guess you answered Family). When TurboTax compared this to your current entries for 2022 for HDHP coverage, TurboTax thought (1) you had Family coverage in 2021, and (2) you had Family coverage for 10 of 12 months in 2022 (because you had just entered it in the HSA interview).
This triggered the last-month rule processing for 2021-2022. One of the things that TurboTax asks you during the last-month rule interview is for which months in 2021 did you have what type of HDHP coverage (since it obviously couldn't look back to your 2021 return). You evidently didn't realize that TurboTax was asking about 2021 this time because you gave the same months for 2021 as you did for 2022 - Family all year except for September and October.
Please go back to the HSA interview and recheck your entries after "What type of High Deductible Health Plan did [name] have on December 1, 2021?" Note that this is for "taxpayer", not the spouse.
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