We ended up spending two hours today disassembling every fan we own and cleaning it. On the project issue, it's nothing to do with leaving a mess. It's things like the fact I like to keep a million tabs open on my computer. MY computer, not hers. But she hates it. I have a lot of interests and fully admit I have a tendency to get obsessed with something and not always follow through. That's why she said she stopped taking interest.
She never commented about the house being clean? Sound as if she had to look hard to find something to make you do! Seems she enjoys punishing you, IMHO. Why did you engage? If she wants to clean fans, leave her with it.
In all fairness to her, three large dogs in a house is a lot of hair. If these are considered to be your dogs, then I could see that as an ongoing source of resentment for her.
Her laying on your bed and talking, is good........as long she wasn't complaining about you, or her usual b.s. Like I said, a day at a time.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!